Accessible Station Data
Long-Term Fixed Station Monitoring
Accessibility Note: This section contains information for long term fixed stations. To view historical trends and charts, visit the
Long-Term Fixed Station Monthly Monitoring Page.
Showing data for: January 2026
| Station | Station Description | Coordinates | Current Conditions |
|---|---|---|---|
| CB1.0 Susquehanna River (Conowingo) |
This station is located in the Susquehanna River at Conowingo Dam gaging station USGS-01578310. This station is located in the tidal fresh zone (salinity 0 to 0.5 ppt). | Lat: 39.6562 Long: -76.1750 |
DO: 13.5 mg/L Temp: 2.2 °C Sal: 0.1 ppt pH: 7.7 |
| AYR0017 Ayer Creek |
This station is a tidally influenced, generally mesohaline site (salinity 5 to 18 ppt) that is sampled from the road and approximately 1.65 m (5.4 feet) deep. | Lat: 38.2945 Long: -75.1625 |
DO: 12.6 mg/L Temp: 2.9 °C Sal: 15.2 ppt pH: 7.5 |
| CB1.1 Mouth of Susquehanna River |
This station is a mid-channel site located at the head of the Chesapeake Bay, near the mouth of the Susquehanna River. This station is located in the tidal fresh zone (salinity 0 to 0.5 ppt) in approximately 6 meters of water. | Lat: 39.5451 Long: -76.0813 |
DO: 13.9 mg/L Temp: 2.2 °C Sal: 0.1 ppt pH: 8.2 |
| CB2.1 Turkey Point |
This station is a mid-channel site located in the upper Chesapeake Bay, southwest of Turkey Point. This station is located in the tidal fresh zone (salinity 0 to 0.5 ppt). | Lat: 39.4401 Long: -76.0246 |
DO: 13.4 mg/L Temp: 3.4 °C Sal: 0.2 ppt pH: 8.2 |
| CB2.2 Still Pond |
This station is a midchannel site located in the upper Chesapeake Bay, west of Still Pond. This station is in the oligohaline zone (salinity 0.5 to 5 ppt). | Lat: 39.3467 Long: -76.1746 |
DO: 12.3 mg/L Temp: 3.3 °C Sal: 3 ppt pH: 7.8 |
| CB3.1 Gunpowder Neck |
This station is a mid-channel site located in the upper Chesapeake Bay, southeast of Gunpowder Neck. The station marks the lower limit of the salinity transition zone, and is in the oligohaline zone (salinity 0.5 to 5 ppt). The station has an approximate depth of 11 meters. | Lat: 39.2484 Long: -76.2380 |
DO: 10.3 mg/L Temp: 3.3 °C Sal: 7.2 ppt pH: 7.9 |
| CB3.2 Swan Point |
This station is a mid-channel site located in the upper Chesapeake Bay, northwest of Swan Point. This station is located in the mesohaline zone (5 to 18 ppt). | Lat: 39.1634 Long: -76.3063 |
DO: 9.1 mg/L Temp: 3.6 °C Sal: 11.4 ppt pH: 8 |
| CB3.3C Bay Bridge (N) |
This station is a mid-channel site located in the upper Chesapeake Bay, just north of the Bay Bridge. This station is located in the turbidity maximum, where salt water from the ocean and freshwater from the upper Bay mix. The station is in the mesohaline zone (salinity 5 to 18 ppt); however, the station has quite a range in salinity. The approximate depth is 21 meters. | Lat: 38.9951 Long: -76.3596 |
DO: 9 mg/L Temp: 3.9 °C Sal: 13.2 ppt pH: 8.2 |
| CB3.3E Bay Bridge (NE) |
This station is a mid-channel site located in the upper Chesapeake Bay, just northeast of the Bay Bridge. This station is located in the turbidity maximum, where salt water from the ocean and freshwater from the upper Bay mix. The station is in the mesohaline zone (salinity 5 to 18 ppt); however, the station has quite a range in salinity. The approximate depth is 21 meters. | Lat: 39.0033 Long: -76.3466 |
|
| CB3.3W Bay Bridge (NW) |
This station is a mid-channel site located in the upper Chesapeake Bay, just northwest of the Bay Bridge. This station is located in the turbidity maximum, where salt water from the ocean and freshwater from the upper Bay mix. The station is in the mesohaline zone (salinity 5 to 18 ppt); however, the station has quite a range in salinity. The approximate depth is 21 meters. | Lat: 39.0046 Long: -76.3881 |
|
| CB4.1C Kent Point (SW) |
This station is a mid-channel site located in the mid Chesapeake Bay, southwest of Kent Point. This station is located in the mesohaline zone (salinity 5 to 18 ppt). | Lat: 38.8251 Long: -76.3996 |
DO: 9.2 mg/L Temp: 4 °C Sal: 15.1 ppt pH: 8.2 |
| CB4.1E Kent Point (S) |
This station is a mid-channel site located in the mid Chesapeake Bay, south of Kent Point. This station is located in the mesohaline zone (salinity 5 to 18 ppt). | Lat: 38.8166 Long: -76.3716 |
|
| EE2.2 Little Choptank |
This station is a mesohaline (salinity 5 to 18 ppt), tidally influenced site near the mouth of the Little Choptank River. | Lat: 38.5334 Long: -76.3080 |
DO: 12.1 mg/L Temp: 4.2 °C Sal: 17.5 ppt pH: 8.2 |
| EE3.0 Fishing Bay |
This station is a mesohaline (salinity 5 to 18 ppt), tidally influenced site in an embayment approximately 23 feet deep. | Lat: 38.2834 Long: -76.0163 |
DO: 12 mg/L Temp: 4.8 °C Sal: 16.1 ppt pH: 8.2 |
| EE3.1 N. Tangier Sound |
This station is a mesohaline (salinity 5 to 18 ppt), tidally influenced site in North Tangier Sound. | Lat: 38.2001 Long: -75.9746 |
DO: 11.6 mg/L Temp: 4.5 °C Sal: 17.9 ppt pH: 8.1 |
| EE3.2 S. Tangier Sound |
This station is a mesohaline (salinity 5 to 18 ppt), tidally influenced site in South Tangier Sound. | Lat: 37.9801 Long: -75.9246 |
DO: 10.9 mg/L Temp: 4.6 °C Sal: 19.2 ppt pH: 7.9 |
| EE3.3 Pocomoke Sound |
This station is a mesohaline (salinity 5 to 18 ppt), tidally influenced site in an embayment approximately 13 feet deep. | Lat: 37.9417 Long: -75.7663 |
DO: 11.2 mg/L Temp: 4.7 °C Sal: 19 ppt pH: 7.8 |
| ET10.1 Pocomoke River |
This station is a tidal fresh site (salinity 0 to 0.5 ppt) located in the Upper Pocomoke River. | Lat: 38.0834 Long: -75.5663 |
DO: 11 mg/L Temp: 5.6 °C Sal: 0.1 ppt pH: 6.8 |
| ET1.1 Northeast River |
This station is a tidal fresh site (salinity 0 to 0.5 ppt) located in the Northeast River in the upper Chesapaeke Bay. | Lat: 39.5751 Long: -75.9580 |
DO: 13.2 mg/L Temp: 3.4 °C Sal: 0.3 ppt pH: 8.1 |
| ET2.1 Back Creek (C&D Canal) |
This station is an oligohaline site (salinity 0.5 to 5 ppt) located in Back Creek. | Lat: 39.5251 Long: -75.8163 |
DO: 13.1 mg/L Temp: 3 °C Sal: 1.7 ppt pH: 7.6 |
| ET2.2 Bohemia River |
This station is an oligohaline site (salinity 0.5 to 5 ppt) located in the Bohemia River. | Lat: 39.4667 Long: -75.8746 |
DO: 13.2 mg/L Temp: 3.6 °C Sal: 1.7 ppt pH: 7.6 |
| ET2.3 Elk River |
This station is a fresh water, tidally influenced site in the mid-channel approximately 35 feet deep. | Lat: 39.5084 Long: -75.8996 |
DO: 13 mg/L Temp: 3.2 °C Sal: 1.4 ppt pH: 7.6 |
| ET3.1 Sassafras River |
This station is an oligohaline site (salinity 0 to 0.5 ppt) located in the upper extent of the Sassafras River. | Lat: 39.3667 Long: -75.8829 |
DO: 12.3 mg/L Temp: 3.9 °C Sal: 2.8 ppt pH: 7.6 |
| ET4.1 Chester River |
This station is a fresh water, non-tidal site in the mid-channel station approximately 20 feet deep. | Lat: 39.2437 Long: -75.9245 |
DO: 11.4 mg/L Temp: 5.2 °C Sal: 0.2 ppt pH: 7.2 |
| ET4.2 Lower Chester River |
This station is a mesohaline site (salinity 5 to 18 ppt) located in the lower extent of the Chester River near the mouth. | Lat: 38.9917 Long: -76.2163 |
DO: 11 mg/L Temp: 3.5 °C Sal: 13.4 ppt pH: 7.9 |
| ET5.1 Choptank River at Ganey Wharf |
This station is an oligohaline site (salinity 0.5 to 5 ppt) located in the upper reaches of the Choptank River. | Lat: 38.8070 Long: -75.9118 |
DO: 11.5 mg/L Temp: 4.4 °C Sal: 1.3 ppt pH: 7.5 |
| ET5.2 Choptank River at US Rt 50 |
This station is a tidally influenced, mesohaline (salinity 5 to 18 ppt) site in the mid-channel approximately 35 feet deep. | Lat: 38.5801 Long: -76.0579 |
DO: 12.4 mg/L Temp: 4 °C Sal: 14.9 ppt pH: 8 |
| ET6.1 Nanticoke River (Sharptown) |
This station is a tidal fresh site (salinity 0 to 0.5 ppt) located in the upper extent of the Nanticoke River. | Lat: 38.5334 Long: -75.7163 |
DO: 11.6 mg/L Temp: 5.1 °C Sal: 0.6 ppt pH: 7.2 |
| ET6.2 Nanticoke River |
This station is a tidally influenced, mesohaline (salinity 5 to 18 ppt) site in the mid-channel approximately 10 feet deep. | Lat: 38.3334 Long: -75.8829 |
DO: 12.6 mg/L Temp: 4.8 °C Sal: 12.8 ppt pH: 8.3 |
| ET7.1 Wicomico River (Whitehaven) |
This station is a mesohaline site (salinity 5 to 18 ppt) located in Wicomico River. | Lat: 38.2667 Long: -75.7913 |
DO: 11.8 mg/L Temp: 5.3 °C Sal: 12.4 ppt pH: 7.9 |
| ET8.1 Manokin River |
This station is a mesohaline (salinity 5 to 18 ppt), tidally influenced site in an embayment approximately 20 feet deep. | Lat: 38.1379 Long: -75.8141 |
DO: 11.3 mg/L Temp: 5.5 °C Sal: 17.4 ppt pH: 7.9 |
| ET9.1 Big Annemessex River |
This station is a mesohaline (salinity 5 to 18 ppt), tidally influenced site located in the Big Annemessex River | Lat: 38.0584 Long: -75.8079 |
DO: 11.1 mg/L Temp: 5.2 °C Sal: 18.5 ppt pH: 7.8 |
| GUN0125 Gunpowder River |
This station is a fresh water, non-tidal site where water clarity is not measured. | Lat: 39.4256 Long: -76.5288 |
DO: 12.3 mg/L Temp: 3.3 °C Sal: 0.3 ppt pH: 7.6 |
| HEC0012 Herring Creek |
This station is typically a mesohaline site (salinity 5 to 18 ppt) that is tidally influenced and in approximately 1.7 m (5.6 feet) of water. | Lat: 38.3395 Long: -75.1298 |
DO: 11.5 mg/L Temp: 1.7 °C Sal: 27.6 ppt pH: 8 |
| LE1.1 Jack Bay |
This station is a tidally influenced, mesohaline (salinity 5 to 18 ppt) site in the mid-channel of the Patuxent River approximately 40 feet deep. | Lat: 38.4251 Long: -76.6016 |
DO: 11.3 mg/L Temp: 2.9 °C Sal: 16.3 ppt pH: 7.7 |
| LE1.2 St. Leonard |
This station is a tidally influenced, mesohaline (salinity 5 to 18 ppt) site in the mid-channel of the Patuxent River. | Lat: 38.3787 Long: -76.5110 |
DO: 11.2 mg/L Temp: 3.7 °C Sal: 17 ppt pH: 8.1 |
| LE1.3 Above Point Patience |
This station is a tidally influenced, mesohaline (salinity 5 to 18 ppt) site in the mid-channel of the Patuxent River. | Lat: 38.3406 Long: -76.4880 |
DO: 11.3 mg/L Temp: 3.8 °C Sal: 17.3 ppt pH: 8.2 |
| LE1.4 Drum Point |
This station is a tidally influenced, mesohaline (salinity 5 to 18 ppt) site in the mid-channel of the Patuxent River. | Lat: 38.3120 Long: -76.4213 |
DO: 11.6 mg/L Temp: 4.3 °C Sal: 18.2 ppt pH: 8.1 |
| LE2.2 Ragged Point |
This station is a tidally influenced mesohaline (salinity 5 to 18 ppt) site in the mid-channel of the Potomac River with an approximate depth of 30 feet. | Lat: 38.1667 Long: -76.5830 |
DO: 10.4 mg/L Temp: 5 °C Sal: 16.6 ppt pH: 8 |
| LE2.3 Point Lookout |
This station is a tidally influenced mesohaline (salinity 5 to 18 ppt) site at the mouth of the Potomac River. | Lat: 38.0215 Long: -76.3477 |
DO: 11.6 mg/L Temp: 5.1 °C Sal: 18.5 ppt pH: 8.2 |
| MAT0016 Mattawoman |
Mattawoman Creek at green day beacon 5; off Sweden Pt. | Lat: 38.5650 Long: -77.1934 |
DO: 13.2 mg/L Temp: 3.8 °C Sal: 2.5 ppt pH: 8 |
| MAT0078 MD Rte 225 |
Mattawoman Creek at MD Rt. 225 crossing | Lat: 38.5885 Long: -77.1186 |
DO: 11.8 mg/L Temp: 5.2 °C Sal: 0.1 ppt pH: 7.3 |
| MSL0011 Marshall Creek |
This station has shown large fluctuations in salinity throughout the year, ranging from oligohaline (< 5 ppt) to polyhaline (> 18 ppt). These salinity fluctuations are due to a variety of environmental factors, such as rainfall and tidal cycles). This site is approximately 1.29 m (4.2 feet) deep. | Lat: 38.2362 Long: -75.2579 |
DO: 10.8 mg/L Temp: 2.5 °C Sal: 17.6 ppt pH: 7.7 |
| PIS0033 Piscataway Creek |
Piscataway Creek at Maryland Rt 210 crossing | Lat: 38.6984 Long: -76.9867 |
DO: 11.6 mg/L Temp: 5.2 °C Sal: 0.2 ppt pH: 7.5 |
| POT1184 Little Falls |
This station is a shallow, non-tidal, fresh water site where water clarity and salinity are not measured. | Lat: 38.9481 Long: -77.1272 |
DO: 13.8 mg/L Temp: 3.5 °C Sal: 0.2 ppt pH: 8 |
| POT1830 Shepherdstown |
This station is a shallow, non-tidal, fresh water site where water clarity and salinity are not measured. | Lat: 39.4351 Long: -77.8027 |
DO: 12.7 mg/L Temp: 4.9 °C Sal: 0.2 ppt pH: 7.6 |
| RET1.1 Below Benedict |
This station is a tidally influenced mesohaline (salinity 5 to 18 ppt) site in the mid-channel of the Patuxent River. | Lat: 38.4906 Long: -76.6641 |
DO: 11.4 mg/L Temp: 3.1 °C Sal: 15 ppt pH: 7.8 |
| RET2.1 Smith Point (SW) |
This station is located at Buoy 27 SW of Smith Point in approximately 26 feet of water | Lat: 38.4035 Long: -77.2691 |
DO: 12.4 mg/L Temp: 3.9 °C Sal: 5.4 ppt pH: 7.8 |
| RET2.2 Maryland Point |
This station is an oligohaline (salinity 0.5 to 5 ppt) site in the mid-channel of the Potomac River. | Lat: 38.3520 Long: -77.2044 |
DO: 11.6 mg/L Temp: 4.1 °C Sal: 6.8 ppt pH: 7.9 |
| RET2.4 Morgantown Bridge (Rt 301) |
This station is an oligohaline (salinity 0.5 to 5 ppt) site in the mid-channel of the Potomac River. | Lat: 38.3626 Long: -76.9905 |
DO: 11.4 mg/L Temp: 4 °C Sal: 10.9 ppt pH: 7.9 |
| SPR0009 Shingle Landing Prong |
This station is generally polyhaline (salinity between 18-35 ppt) but can become mesohaline (salinity between 5 and 18 ppt) depending on environmental factors including rainfall and tidal stage. This site is in approximately 0.94 m (3.1 feet) of water. | Lat: 38.4070 Long: -75.1852 |
DO: 12.7 mg/L Temp: 3 °C Sal: 24.1 ppt pH: 8.2 |
| TF1.0 US Rt 50 Bridge |
This station is a tidal freshwater site in the mid-channel of the Patuxent River. | Lat: 38.9559 Long: -76.6930 |
DO: 11.7 mg/L Temp: 4.3 °C Sal: 0.2 ppt pH: 7.5 |
| TF1.2 Western Branch |
This station is a tidal freshwater site in the mid-channel of the Patuxent River. | Lat: 38.8142 Long: -76.7508 |
DO: 13 mg/L Temp: 2.2 °C Sal: 0.3 ppt pH: 7.3 |
| TF1.3 Waysons Corner (Rt 4) |
This station is a tidal freshwater site in the mid-channel of the Patuxent River. | Lat: 38.8109 Long: -76.7122 |
DO: 12.4 mg/L Temp: 2.6 °C Sal: 0.2 ppt pH: 7.3 |
| TF1.4 Jackson Landing |
This station is a tidal freshwater site in the mid-channel of the Patuxent River. | Lat: 38.7728 Long: -76.7099 |
DO: 12.4 mg/L Temp: 2.3 °C Sal: 0.3 ppt pH: 7.4 |
| TF1.5 Nottingham |
This station is a tidal freshwater site in the mid-channel of the Patuxent River approximately 35 feet deep. | Lat: 38.7101 Long: -76.7013 |
DO: 12.3 mg/L Temp: 1.8 °C Sal: 1 ppt pH: 7.3 |
| TF1.6 Lower Marlboro |
This station is an oligohaline site (salinity 0.5 to 5 ppt) in the mid-channel of the Patuxent River. | Lat: 38.6578 Long: -76.6844 |
DO: 12.1 mg/L Temp: 2.2 °C Sal: 3.8 ppt pH: 7.4 |
| TF1.7 Above Benedict |
This station is an oligohaline site (salinity 0.5 to 5 ppt) in the mid-channel of the Patuxent River. | Lat: 38.5817 Long: -76.6802 |
DO: 12 mg/L Temp: 2.6 °C Sal: 10.1 ppt pH: 7.6 |
| TF2.1 Off Piscataway |
This station is a tidally influenced fresh water site in the mid-channel of the Potomac River. | Lat: 38.7065 Long: -77.0485 |
DO: 12.7 mg/L Temp: 4.5 °C Sal: 0.3 ppt pH: 7.5 |
| TF2.2 Marshall Hall |
This station is a tidally influenced fresh water site in the mid-channel of the Potomac River, with an approximate depth of 26 feet. | Lat: 38.6906 Long: -77.1111 |
DO: 12.6 mg/L Temp: 4.3 °C Sal: 0.3 ppt pH: 7.6 |
| TF2.3 Indian Head |
This station is a tidally influenced fresh water site in the mid-channel of the Potomac River, with an approximate depth of 45 feet. | Lat: 38.6081 Long: -77.1738 |
DO: 12.9 mg/L Temp: 3.7 °C Sal: 1.6 ppt pH: 7.8 |
| TF2.4 Quantico |
This station is a tidally influenced fresh water site in the mid-channel of the Potomac River. | Lat: 38.5298 Long: -77.2652 |
DO: 12.5 mg/L Temp: 3.6 °C Sal: 3.1 ppt pH: 7.9 |
| TRC0043 Trappe Creek |
This station is typically a mesohaline (salinity 5-18 ppt), tidally influenced station in approximately 0.41 m (1.3 feet) of water. | Lat: 38.2964 Long: -75.1804 |
DO: 12.9 mg/L Temp: 1.7 °C Sal: 12.4 ppt pH: 7.1 |
| TUV0034 Turville Creek |
This station is generally a freshwater site. | Lat: 38.3583 Long: -75.1681 |
DO: 11.6 mg/L Temp: 2.3 °C Sal: 0.1 ppt pH: 6.8 |
| WT1.1 Bush River |
This station is an oligohaline site (salinity 0.5 to 5 ppt) in the Bush River. | Lat: 39.4334 Long: -76.2413 |
DO: 13.7 mg/L Temp: 4.1 °C Sal: 3.8 ppt pH: 7.9 |
| WT2.1 Gunpowder River (tidal) |
This station is an oligohaline site (salinity 0.5 to 5 ppt) in the Gunpowder River. | Lat: 39.3834 Long: -76.3416 |
DO: 13.3 mg/L Temp: 3.7 °C Sal: 6.4 ppt pH: 7.6 |
| WT3.1 Middle River |
This station is an oligohaline site (salinity 0.5 to 5 ppt) in the Middle River. | Lat: 39.3001 Long: -76.3996 |
DO: 13.2 mg/L Temp: 3.8 °C Sal: 8.5 ppt pH: 7.9 |
| WT4.1 Back River |
This station is an oligohaline site (salinity 0.5 to 5 ppt) in the Back River. | Lat: 39.2834 Long: -76.4496 |
DO: 13.1 mg/L Temp: 5 °C Sal: 5.2 ppt pH: 8 |
| WT5.1 Baltimore Harbor |
This station is a tidally influenced mesohaline (salinity 5 to 18 ppt) site in Baltimore Harbor approximately 40 feet deep. | Lat: 39.2084 Long: -76.5246 |
DO: 10.1 mg/L Temp: 3.5 °C Sal: 12.7 ppt pH: 8 |
| WT6.1 Magothy River |
This station is a tidally influenced, mesohaline (salinity 5 to 18 ppt) site in the mid-channel of the Magothy River approximately 16 feet deep. | Lat: 39.0751 Long: -76.4746 |
DO: 12.6 mg/L Temp: 4.2 °C Sal: 12.7 ppt pH: 8.2 |
| WT7.1 Severn River |
This station is a tidally influenced, mesohaline (salinity 5 to 18 ppt) site in the mid-channel of the Severn River approximately 20 feet deep. | Lat: 39.0067 Long: -76.5046 |
DO: 10 mg/L Temp: 4.3 °C Sal: 14.4 ppt pH: 8.3 |
| WT8.1 South River |
This station is a mesohaline site (salnity 5 to 18 ppt) on the South River. | Lat: 38.9492 Long: -76.5463 |
DO: 9.9 mg/L Temp: 4.4 °C Sal: 14.8 ppt pH: 8.3 |
| WT8.2 Rhode River |
This station is a mesohaline site (salnity 5 to 18 ppt) on the Rhode River. | Lat: 38.8834 Long: -76.5330 |
DO: 11.9 mg/L Temp: 5 °C Sal: 15.2 ppt pH: 8.2 |
| WT8.3 West River |
This station is a tidally influenced mesohaline (salinity 5 to 18 ppt) site in the West River. | Lat: 38.8501 Long: -76.5330 |
DO: 11.7 mg/L Temp: 4.6 °C Sal: 15.1 ppt pH: 8.2 |
| WXT0001 Western Branch (Mt Calvert House) |
This station is located in the Western Branch from pier at Mt Calvert House in Upper Marlboro, 0.1 miles above mouth | Lat: 38.7853 Long: -76.7134 |
DO: 11.9 mg/L Temp: 3.8 °C Sal: 0.3 ppt pH: 7.2 |
| XBM1301 Chincoteague Bay |
This station is a polyhaline (salinity >18 ppt), tidally influenced site in an embayment approximately 3 m (9.85 feet) deep. | Lat: 38.0215 Long: -75.3327 |
DO: 10.7 mg/L Temp: 2.7 °C Sal: 32 ppt pH: 7.8 |
| XBM8149 Chincoteague Bay |
This station is polyhaline (salinity > 18 ppt) and located mid-bay in approximately 2.07 m (6.8 feet) of water. | Lat: 38.1350 Long: -75.2516 |
DO: 10.8 mg/L Temp: 2.9 °C Sal: 30.9 ppt pH: 7.8 |
| XCM1562 Chincoteague Bay |
This station is a mid-bay, polyhaline (salinity > 18 ppt) site that is approximately 1.94 m (6.4 feet) deep. | Lat: 38.1884 Long: -75.2310 |
DO: 10.7 mg/L Temp: 3 °C Sal: 30.8 ppt pH: 7.7 |
| XCM4878 Newport Bay |
This station is a polyhaline (salinity 18 - 35 ppt), tidally influenced site located in approximately 1.61 m (5.3 feet) of water. | Lat: 38.2413 Long: -75.2104 |
DO: 11 mg/L Temp: 2.8 °C Sal: 29.7 ppt pH: 7.7 |
| XDN2438 Isle of Wight Bay |
This station is a polyhaline (salinity 18 - 35 ppt), tidally influence site in approximately 4.28 m (14 feet) of water. | Lat: 38.3547 Long: -75.0895 |
DO: 10.7 mg/L Temp: 3.8 °C Sal: 32.2 ppt pH: 7.8 |
| XDN3445 Assawoman Bay |
This station is a mid-bay station located between Assawoman and Isle of Wight Bays. The station is polyhaline (salinity >18 ppt), tidally influenced site that is approimately 2.5 m (8.2 feet) deep. | Lat: 38.3892 Long: -75.0916 |
DO: 11.2 mg/L Temp: 1.7 °C Sal: 30.2 ppt pH: 7.8 |
| XDN4312 St. Martins River |
This station is a polyhaline (salinity 18 - 35 ppt), tidally influenced station in approximately 1.38 m (4.5 feet) of water. | Lat: 38.4055 Long: -75.1460 |
DO: 11.7 mg/L Temp: 1.4 °C Sal: 27.9 ppt pH: 8 |
| XDN5737 Greys Creek |
This station is a polyhaline (salinity 18 - 35 ppt), tidally influence site in approximately 1.27 m (4.2 feet) of water. | Lat: 38.4284 Long: -75.1046 |
DO: 11.5 mg/L Temp: 1.1 °C Sal: 28 ppt pH: 7.8 |
| XDN6454 N. Assawoman Bay |
This station is a polyhaline (salinity 18 - 35 ppt), tidally influenced site located in approximately 1.52 m (5 feet) of water. | Lat: 38.4417 Long: -75.0771 |
DO: 11.6 mg/L Temp: 1.4 °C Sal: 27.2 ppt pH: 7.8 |
| XFB1986 Piscataway |
Piscataway Creek off Ft Washington Marina | Lat: 38.6978 Long: -77.0231 |
DO: 12.7 mg/L Temp: 5.2 °C Sal: 0.3 ppt pH: 7.6 |
| CB4.1W Horseshoe Point |
This station is a mid-channel site located in the mid Chesapeake Bay, southeast of Horseshoe Point. This station is located in the mesohaline zone (salinity 5 to 18 ppt). | Lat: 38.8141 Long: -76.4650 |
|
| CB4.2C MD Mid Bay |
This station is a mid-channel site located in the mid Chesapeake Bay, southwest of Tilghman Island. The station is located in the mesohaline zone (salinity 5 to 18 ppt) with an approximate depth of 26 meters. Stations in this section of the Bay monitor water quality of the deep trough near the Choptank River. | Lat: 38.6448 Long: -76.4177 |
DO: 9.2 mg/L Temp: 4 °C Sal: 16.4 ppt pH: 8.2 |
| CB4.2E Tilghman Island |
This station is a mid-channel site located in the mid Chesapeake Bay, southwest of Tilghman Island. The station is located in the mesohaline zone (salinity 5 to 18 ppt) with an approximate depth of 26 meters. Stations in this section of the Bay monitor water quality of the deep trough near the Choptank River. | Lat: 38.6450 Long: -76.4016 |
|
| CB4.2W Plum Point |
This station is a mid-channel site located in the mid Chesapeake Bay, northwest of Plum Point. The station is located in the mesohaline zone (salinity 5 to 18 ppt) with an approximate depth of 26 meters. Stations in this section of the Bay monitor water quality of the deep trough near the Choptank River. | Lat: 38.6433 Long: -76.5016 |
|
| CB4.3C Dares Beach |
This station is a mid-channel site located in the mid Cheaspeake Bay, east of Dares Beach. This station is located in the mesohaline zone (salinity 5 to 18 ppt). | Lat: 38.5565 Long: -76.4346 |
DO: 9.4 mg/L Temp: 4.3 °C Sal: 17.1 ppt pH: 8.2 |
| CB4.3E Mouth of Choptank River |
This station is a located in the mid Chesapeake Bay near the mouth of the Choptank River. This station is located in the mesohaline zone (salinity 5 to 18 ppt). | Lat: 38.5566 Long: -76.3916 |
|
| CB4.3W Dares Beach |
This station is a mid-channel site located in the mid Cheaspeake Bay, east of Dares Beach. This station is located in the mesohaline zone (salinity 5 to 18 ppt). | Lat: 38.5575 Long: -76.4933 |
|
| CB4.4 Cove Point |
This station is a mid-channel site located in the mid Cheaspeake Bay, northeast of Cove Point. This station is located in the mesohaline zone (salinity 5 to 18 ppt). | Lat: 38.4131 Long: -76.3430 |
DO: 9.5 mg/L Temp: 4.6 °C Sal: 16.8 ppt pH: 8.3 |
| CB5.1 Cedar Point |
This station is a mid-channel site located in the mid Chesapeake Bay, east of Cedar Point. This station is located in the mesohaline zone (salinity 5 to 18 ppt). | Lat: 38.3184 Long: -76.2929 |
DO: 9.9 mg/L Temp: 4.5 °C Sal: 16.6 ppt pH: 8.3 |
| CB5.2 Point No Point |
This station is a mid-channel site located in the mid Chesapeake Bay, east of Point No Point. This station is located in the mesohaline zone (salinity 5 to 18 ppt) with an approximate depth of 29 meters. Water quality of the deep trough is monitored at this station. | Lat: 38.1367 Long: -76.2279 |
DO: 10.3 mg/L Temp: 4.7 °C Sal: 19.3 ppt pH: 8.2 |
| CB5.3 Smith Point |
This station is a mid-channel site located in the mid Cheapeake Bay, northeast of Smith Point. This station is located in the mesohaline zone (salinity 5 to 18 ppt). | Lat: 37.9117 Long: -76.1679 |
DO: 10.3 mg/L Temp: 5 °C Sal: 19.8 ppt pH: 8.2 |
| EE1.1 Eastern Bay |
This station is a mesohaline (salinity 5 to 18 ppt), tidally influenced site in Eastern Bay. | Lat: 38.8834 Long: -76.2496 |
DO: 12 mg/L Temp: 3.5 °C Sal: 16 ppt pH: 7.9 |
| EE2.1 Outer Choptank |
This station is a mesohaline (salinity 5 to 18 ppt), tidally influenced site in the Choptank River. | Lat: 38.6501 Long: -76.2746 |
DO: 13.2 mg/L Temp: 3.9 °C Sal: 16.8 ppt pH: 8.1 |
| BXK0031 Back Creek |
Back Creek; Manokin River | Lat: 38.1356 Long: -75.7515 |
DO: 11.1 mg/L Temp: 5.6 °C Sal: 16.3 ppt pH: 7.2 |
| CCM0069 Chicamacomico River |
Chicamacomico Drawbridge Rd. Crossing; Characterizes Tidal Fresh Zone | Lat: 38.4422 Long: -75.9047 |
DO: 11 mg/L Temp: 5.1 °C Sal: 5 ppt pH: 8 |
| MNK0146 Manokin River |
Manokin River Midriver Off Nelson Pier Just Belw Unnamed Trib Characterizes Tidal Fresh | Lat: 38.1751 Long: -75.7223 |
DO: 11.4 mg/L Temp: 6.2 °C Sal: 11.4 ppt pH: 7.6 |
| POK0087 Pocomoke River |
Off Ramp At Town Of Rehobeth Characterizes Tidal Fresh Zone | Lat: 38.0385 Long: -75.6612 |
DO: 10.5 mg/L Temp: 6.1 °C Sal: 3 ppt pH: 7 |
| TRQ0088 Transquaking River |
Transquaking River Bridge On Bestpitch Ferry Rd Characterizes Tidal Fresh | Lat: 38.4172 Long: -75.9934 |
DO: 10.6 mg/L Temp: 4.8 °C Sal: 4.2 ppt pH: 7.3 |
| TRQ0146 Transquaking River |
Transquaking River Decoursey Bridge Rd Crossing Characterizes Tidal Fresh | Lat: 38.4656 Long: -76.0001 |
DO: 12.1 mg/L Temp: 4.5 °C Sal: 0.4 ppt pH: 7.8 |
| WIW0141 Wicomico River |
At Upper Ferry Crossing Wicomico River On Upper Ferry Road Characterizes Tidal Fresh | Lat: 38.3415 Long: -75.6956 |
DO: 11.5 mg/L Temp: 5.7 °C Sal: 4.3 ppt pH: 7.4 |
| XAK7810 Pocomoke River |
Riverside Of Daymark 23 At The Entrance Of Fair Island Canal (To Pocomoke Sound); Tidal Fresh; 2-3 M Depth | Lat: 37.9639 Long: -75.6504 |
DO: 11.5 mg/L Temp: 5.6 °C Sal: 11 ppt pH: 8.2 |
| CB5.1W Mouth of Patuxent River |
Mid-Channel Between Cedar Point And Cove Point; Characterizes Lower Estuarine | Lat: 38.3252 Long: -76.3757 |
DO: 11.6 mg/L Temp: 4.1 °C Sal: 18.4 ppt pH: 8 |
| XCI4078 Wicomico River |
Island Point In Channel At Buoy Fl 14 Characterizes Lower Estuarine | Lat: 38.2337 Long: -75.8696 |
DO: 11.8 mg/L Temp: 4.8 °C Sal: 16.3 ppt pH: 8.2 |
| XDJ9007 Nanticoke River |
Site Of Old Rt 50 Bridge At Vienna (Bridge No Longer Exists) Characterizes Tidal Fresh | Lat: 38.4837 Long: -75.8209 |
DO: 11.7 mg/L Temp: 4.9 °C Sal: 3.6 ppt pH: 7.5 |
Continuous Monitoring
Accessibility Note: This section contains information for active Continuous Monitoring stations. To view detailed charts, visit the
Continuous Monitoring Data Page.
| Station | Location | Years Deployed | Sensor Location | Current Conditions | Latest Reading |
|---|---|---|---|---|---|
| (BCM) Broad Creek Daymarker |
Choptank River - Broad Creek Daymarker Lat: 38.6941 Long: -76.2497 |
2024, 2025 | Anchored 0.5 meters above the bottom, in 3 m water depth. | DO: 10.3 mg/L Temp: 48.8°F Sal: 17 ppt pH: 8.01 Turb: 1.5 NTU Chl: 4.8 ug/L |
11/18/25 |
| (JUG) Jug Bay |
Patuxent River - Jug Bay Lat: 38.7812 Long: -76.7137 |
2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | Anchored 0.3 meters above the bottom, in 1.3 m water depth. | DO: 10.7 mg/L Temp: 45.1°F Sal: 0.3 ppt pH: 7.2 Turb: 17 NTU |
03/05/26 |
| (AES) Aquarium East Surface |
Patapsco River - Aquarium East Surface Lat: 39.2854 Long: -76.6079 |
2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | Suspended 1 meter below the surface, in 6.6 m water depth. | DO: 12.6 mg/L Temp: 40.4°F Sal: 9.4 ppt pH: 7.93 Turb: 3.4 NTU Chl: 13.3 ug/L |
03/05/26 |
| (AWS) Aquarium West |
Patapsco River - Aquarium West Lat: 39.2854 Long: -76.6087 |
2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | Suspended 1 meter below the surface, in 6.6 m water depth. | DO: 10.6 mg/L Temp: 37°F Sal: 16.7 ppt pH: 7.78 Turb: 4.6 NTU Chl: 43.3 ug/L |
02/05/26 |
| (CHP) Castle Haven Point |
Choptank River - Castle Haven Point Lat: 38.6335 Long: -76.1604 |
2024, 2025 | Anchored 0.3 meters above the bottom, in 4 m water depth. | DO: 10 mg/L Temp: 48.7°F Sal: 16.3 ppt pH: 7.89 Turb: 1.9 NTU Chl: 0.6 ug/L |
11/18/25 |
| (IPL) Iron Pot Landing |
Patuxent River - Iron Pot Landing Lat: 38.7959 Long: -76.7207 |
2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | Anchored 0.3 meters above the bottom, in 1.6 m water depth. | DO: 10.6 mg/L Temp: 49.8°F Sal: 0.3 ppt pH: 7.2 Turb: 13.7 NTU Chl: 0.9 ug/L |
01/08/26 |
| (PRO) Harris Creek Profiler |
Choptank River - Harris Creek Profiler Lat: 38.7432 Long: -76.3033 |
2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2022, 2023, 2024, 2025 | Suspended 1 meter below the surface, in 2.5 m water depth. | ||
| (PRO) Fishing Bay Profiler |
Fishing Bay - Profiler Lat: 38.2996 Long: -76.0254 |
2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2022, 2023, 2024, 2025 | Suspended 1 meter below the surface, in 4.8 m water depth. | ||
| (PRO) Fishing Bay Profiler |
Fishing Bay - Profiler Lat: 38.2967 Long: -76.0233 |
2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2022, 2023, 2024, 2025 | Suspended 1 meter below the surface, in 4.8 m water depth. | ||
| (PRO) Choptank River Profiler |
Choptank River - Profiler Lat: 38.6000 Long: -76.0767 |
2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2022, 2023, 2024, 2025 | Suspended 1 meter below the surface, in 6 m water depth. | ||
| (AEB) Aquarium East Bottom |
Patapsco River - Aquarium East Bottom Lat: 39.2854 Long: -76.6079 |
2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | Anchored 0.3 meters above the bottom, in 6.6 m water depth. | DO: 10.1 mg/L Temp: 37.8°F Sal: 14.1 ppt pH: 7.47 Turb: 5.4 NTU Chl: 25.1 ug/L |
03/05/26 |
| (DLI) Deal Island |
Tangier Sound - Deal Island Lat: 38.1685 Long: -75.9472 |
2021, 2022, 2023 | Anchored 0.3 meters above the bottom, in 1.8 m water depth. | ||
| (LMN) Little Monie Creek |
Wicomico River - Little Monie Creek Lat: 38.2085 Long: -75.8045 |
2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | Anchored 0.3 meters above the bottom, in 0.8 m water depth. | DO: 13.4 mg/L Temp: 31.6°F Sal: 15.7 ppt pH: 7.58 Turb: 4.6 NTU Chl: 8.2 ug/L |
02/10/26 |
| (MSC) Masonville Cove Pier |
Patapsco River - Masonville Cove Pier Lat: 39.2446 Long: -76.5971 |
2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | Suspended 1 meter below the surface, in 2 m water depth. | DO: 12.5 mg/L Temp: 35.4°F Sal: 6.4 ppt pH: 7.7 Turb: 15.5 NTU Chl: 6.8 ug/L |
02/20/26 |
| (MTI) Mataponi |
Patuxent River - Mataponi Lat: 38.7433 Long: -76.7074 |
2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 | Anchored 0.3 meters above the bottom, in 0.6 m water depth. | DO: 10.7 mg/L Temp: 33.7°F Sal: 0.2 ppt pH: 6.88 Turb: 62 NTU Chl: 6.5 ug/L |
12/12/25 |
| (SGC) St Georges Creek |
Potomac River - St. Georges Creek Lat: 38.1311 Long: -76.4933 |
2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 | Anchored 0.5 meters above the bottom, in 1.8 m water depth. | DO: 9.7 mg/L Temp: 52.5°F Sal: 17.3 ppt pH: 8.12 Turb: 2.4 NTU Chl: 4.8 ug/L |
11/13/25 |
| (SPS) Sandy Pt - South Beach |
Chesapeake Bay Segment 3 - Sandy Point South Beach Lat: 39.0075 Long: -76.4003 |
2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 | Anchored 0.3 meters above the bottom, in 1.8 m water depth. | DO: 8 mg/L Temp: 57.7°F Sal: 16.2 ppt pH: 7.8 Turb: 4.9 NTU Chl: 3.8 ug/L |
11/06/25 |
| (OPC) Otter Point Creek |
Bush River - Otter Point Creek Lat: 39.4507 Long: -76.2745 |
2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | Anchored 0.3 meters above the bottom, in 0.5 m water depth. | DO: 15.7 mg/L Temp: 37°F Sal: 2.3 ppt pH: 7.4 Turb: 6 NTU |
01/22/26 |
| (RIV) Riverside |
Back River - Riverside Lat: 39.2981 Long: -76.4702 |
2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 | Anchored 0.3 meters above the bottom, in 1.6 m water depth. | DO: 10.6 mg/L Temp: 55.2°F Sal: 4.5 ppt pH: 8.02 Chl: 73.3 ug/L |
11/10/25 |
| (SHS) Sandy Hill Sanctuary |
Choptank River - Sandy Hill Sanctuary Lat: 38.6001 Long: -76.1146 |
2024, 2025 | Anchored 0.3 meters above the bottom, in 5 m water depth. | DO: 4.1 mg/L Temp: 73.7°F Sal: 15.5 ppt pH: 7.44 Turb: 3.9 NTU Chl: 2.3 ug/L |
10/02/25 |
| (SUS) Havre de Grace |
Susquehanna River - Havre de Grace Lat: 39.5477 Long: -76.0848 |
2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 | 0.3 m above bottom; 1 m below surface before 2013, in 3.5 m water depth. | 10/15/25 | |
| (TAM) Tred Avon Marker |
Choptank River - Tred Avon Marker Lat: 38.6649 Long: -76.1885 |
2024, 2025 | Anchored 0.3 meters above the bottom, in 2.8 m water depth. | DO: 10.3 mg/L Temp: 48.2°F Sal: 16.7 ppt pH: 7.87 Turb: 1.2 NTU Chl: 2.5 ug/L |
11/18/25 |
Vertical Profiler Stations
Accessibility Note: Vertical profilers collect data at multiple depths.
To view full profiler data, visit the
Vertical Profiler Data Page
.
| Station | Location | Sampling Depths | Years Deployed |
|---|---|---|---|
| Choptank River MD DNR Profiler (XEH6054 ) |
Lat: 38.5999 Long: -76.0766 |
Measurements at 0.5, 1.0, 2.0, 3.0, 4.0 & 5.0 meters. Site Depth: 6m |
2025 |
| Fishing Bay MD DNR Profiler (XCH7886 ) |
Lat: 38.2967 Long: -76.0233 |
Measurements at 1.0, 2.0 & 3.0 meters. Site Depth: 5m |
2023, 2024 |
| Fishing Bay MD DNR Profiler (XCH8085 ) |
Lat: 38.2996 Long: -76.0254 |
Measurements at 0.5, 1.0, 2.0, 3.0 & 3.5 meters. Site Depth: 5m |
2022 |
| Harris Creek MD DNR Profiler (XFG4618 ) |
Lat: 38.7423 Long: -76.3034 |
Measurements at 0.5, 1.0, 1.5 & 2.0 meters. Site Depth: 3m |
2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
| Potomac River Ragged Point MD DNR Profiler (XCE0055 ) |
Lat: 38.1666 Long: -76.5749 |
Conducted a profiling sequence every 1-3 hours, with measurements recorded at 1-2 meter depth intervals. Site Depth: 16m |
2007, 2008 |
| Potomac River Sandy Point MD DNR Profiler (XBE5486 ) |
Lat: 38.0904 Long: -76.5226 |
Conducted a profiling sequence every 1-3 hours, with measurements recorded at 1-2 meter depth intervals. Site Depth: 16m |
2009 |
| Chesapeake Bay Bridge Segment CB3 MD DNR Profiler (XHF0488 ) |
Lat: 39.0058 Long: -76.3543 |
Conducted a profiling sequence every 1-3 hours, with measurements recorded at 1-2 meter depth intervals. Site Depth: 14m |
2010 |
| Chesapeake Bay Bridge Segment CB3 MD DNR Profiler (XHG4413 ) |
Lat: 39.0706 Long: -76.3078 |
Conducted a profiling sequence every 1-3 hours, with measurements recorded at 1-2 meter depth intervals. Site Depth: 14m |
2011 |
| Tred Avon NOAA Vertical Profiler () |
Lat: 38.7013 Long: -76.1482 |
Measurements at 0.5, 1, 2, 3, 4 & 4.5 meters. Site Depth: 5m |
2014, 2015, 2016, 2017, 2018, 2019 |
Partner & Other Data Providers
Accessibility Note: These stations are maintained by partner organizations.
Links below will lead to external websites with their own data interfaces.
| Partner | Station Description | Type & Parameters | Coordinates | Link |
|---|---|---|---|---|
| Anacostia and Potomac River Monitoring Program (Department of Energy and Environment) |
Benning Road This station is provides information on current water conditions of the Anacostia River within Washington, DC. |
Type: Pier Sonde Parameters: Water Quality |
38.8967, -76.9620 |
View External Data |
| Anacostia and Potomac River Monitoring Program (Department of Energy and Environment) |
Roosevelt Bridge This station is provides information on current water conditions of the Potomac River within Washington, DC. |
Type: Pier Sonde Parameters: Water Quality |
38.8926, -77.0574 |
View External Data |
| Anacostia and Potomac River Monitoring Program (Department of Energy and Environment) |
South Capitol This station is provides information on current water conditions of the Anacostia River within Washington, DC. |
Type: Pier Sonde Parameters: Water Quality |
38.8689, -77.0061 |
View External Data |
| U.S. Geological Survey |
Susquehanna R. at Conowingo, MD Water-stage recorder, crest-stage gage, velocity meter and water-quality monitor. |
Type: Streamgage Parameters: Water Quality Sediments Streamflow |
39.6579, -76.1744 |
View External Data |
| NOAA Chesapeake Bay Program Office |
Dominion Gooses Reef A cooperatively operated buoy by Maryland DNR and NOAA CBP. Located at the Dominion Gooses Artificial Reef, this buoy was funded by the Dominion Power Foundation. This buoy is part of the Chesapeake Bay Interpretative Buoy System |
Type: Buoy Parameters: Water Quality Weather Currents Waves Surface and Bottom Measurements |
38.5563, -76.4147 |
View External Data |
| NOAA Chesapeake Bay Program Office |
Susquehanna River Mouth This buoy is part of the NOAA Chesapeake Bay Interpretative Buoy System |
Type: Buoy Parameters: Water Quality Weather Currents Waves |
39.5437, -76.0748 |
View External Data |
| NOAA Chesapeake Bay Program Office |
Potomac River Mouth This buoy is part of the NOAA Chesapeake Bay Interpretative Buoy System |
Type: Buoy Parameters: Water Quality Weather Currents Waves |
38.0330, -76.3355 |
View External Data |
| NOAA Chesapeake Bay Program Office |
Annapolis Buoy This buoy is part of the NOAA Chesapeake Bay Interpretative Buoy System |
Type: Buoy Parameters: Water Quality Weather Currents Waves |
38.9631, -76.4475 |
View External Data |
| NOAA Chesapeake Bay Program Office |
Potomac River Woodrow Wilson Bridge This buoy is part of the NOAA Chesapeake Bay Interpretative Buoy System |
Type: Buoy Parameters: Water Quality Weather Currents Waves |
38.7877, -77.0357 |
View External Data |
| NOAA Chesapeake Bay Program Office |
Patapsco River Mouth This buoy is part of the NOAA Chesapeake Bay Interpretative Buoy System |
Type: Buoy Parameters: Water Quality Weather Currents Waves |
39.1519, -76.3911 |
View External Data |
| NOAA Ports |
Tolchester Beach The station is operated for commercial navigational purposes and is near Tolchester Beach. |
Type: Unknown Parameters: Water Level - Weather |
39.2133, -76.2450 |
View External Data |
| NOAA Ports |
Piney Point The station is operated for commercial navigational purposes and is near Piney Point. |
Type: Unknown Parameters: Water Level - Weather |
38.1333, -76.5333 |
View External Data |
| NOAA Ports |
Baltimore The station is operated for commercial navigational purposes and is near Ft. McHenry. |
Type: Unknown Parameters: Water Level - Weather - Water Temp/Salinity |
39.2667, -76.5783 |
View External Data |
| NOAA Ports |
Patapsco - Key Bridge The station is operated for commercial navigational purposes and is at the Key Bridge. |
Type: Unknown Parameters: Water Level - Weather - Water Temp |
39.2200, -76.5283 |
View External Data |
| Smithsonian Environmental Research Center |
SERC - Rhode River This monitor is operated by the Smithsonian Environmental Research Center off of their pier. |
Type: Pier sonde Parameters: Water Quality |
38.8860, -76.5415 |
N/A |
| Chesapeake Biological Lab / Alliance Coastal Technolgies |
CBL - Pier This monitor is operated by the Chesapeake Biological Laboratory and the Alliance for Coastal Technologies off of the CBL pier at Solomons. |
Type: Pier Sonde Parameters: Water Quality |
38.3170, -76.4510 |
View External Data |
| Chesapeake Biological Lab / Alliance Coastal Technolgies |
CBL/ACT Patuxent Buoy This buoy is operated by the Alliance for Coastal Technologies in the lower Patuxent River. |
Type: Buoy/Pontoon Parameters: Water Quality |
38.3990, -76.5310 |
View External Data |
| NOAA Ports |
Annapolis - Naval Academy The station is operated for commercial navigational purposes and is at the US Naval Academy. |
Type: Unknown Parameters: Water Level - Weather |
38.9833, -76.4800 |
View External Data |
| U.S. Geological Survey |
Susquehanna R. near Darlington, MD This station is part of the River Input Monitoring Program operated by the USGS and Maryland DNR. Measurements from this station, located at the head of tide in the Susquehanna R., are used to calculate pollution loads to the Chesapeake Bay. |
Type: Streamgage Parameters: Water Quality Sediments Streamflow |
39.6261, -76.1578 |
View External Data |
| U.S. Geological Survey |
Little Falls Pumping Station This station is part of the River Input Monitoring Program operated by the USGS and Maryland DNR. Measurements from this station, located at the head of tide in the Potomac R., are used to calculate pollution loads to the Chesapeake Bay. |
Type: Streamgage Parameters: Water Quality Sediments Streamflow |
38.9497, -77.1276 |
View External Data |
| U.S. Geological Survey |
Patuxent R. at Bowie This station is part of the River Input Monitoring Program operated by the USGS and Maryland DNR. Measurements from this station, located at the head of tide in the Patuxent R., are used to calculate pollution loads to the Chesapeake Bay. |
Type: Streamgage Parameters: Water Quality Sediments Streamflow |
38.9558, -76.6933 |
View External Data |
| U.S. Geological Survey |
Choptank R. near Greensboro This station is part of the River Input Monitoring Program operated by the USGS and Maryland DNR. Measurements from this station, located at the head of tide in the Choptank R., are used to calculate pollution loads to the Chesapeake Bay. |
Type: Streamgage Parameters: Water Quality Sediments Streamflow |
38.9972, -75.7861 |
View External Data |
| NOAA National Ocean Service |
Ocean City The station is operated for commercial navigational purposes and is near the Ocean City Inlet. |
Type: Unknown Parameters: Water Level - Weather |
38.3280, -75.0920 |
View External Data |
| NOAA Ports |
Cove Point The station is operated for commercial navigational purposes and is near the Cove Point Pier. |
Type: Unknown Parameters: Water Level - Weather |
38.4040, -76.3860 |
View External Data |
| NOAA National Ocean Service |
Bishops Head The station is operated for commercial navigational purposes and is near Bishops Head. |
Type: Unknown Parameters: Water Level - Weather |
38.2200, -76.0380 |
View External Data |
| NOAA National Ocean Service |
Cambridge The station is operated for commercial navigational purposes and is near Cambridge. |
Type: Unknown Parameters: Water Level - Weather |
38.5730, -76.0680 |
View External Data |
| NOAA Ports |
Potomac - Washington The station is operated for commercial navigational purposes and is near Washington, DC. |
Type: Unknown Parameters: Water Level - Weather |
38.8700, -77.0200 |
View External Data |
| NOAA Ports |
Chesapeake City The station is operated for commercial navigational purposes and is near Chesapeake City. |
Type: Unknown Parameters: Water Level - Weather |
39.5270, -75.8100 |
View External Data |
| NOAA Ports |
Potomac - Lewisetta VA The station is operated for commercial navigational purposes and is near Lewisetta, VA. |
Type: Unknown Parameters: Water Level - Weather |
37.9950, -76.4650 |
View External Data |
| NOAA Ports |
Thomas Point The station is operated for the National Weather Service and is at the Thomas Point Lighthouse. |
Type: Unknown Parameters: Water Temp - Weather |
38.8980, -76.4370 |
View External Data |
| Intellicheck Mobilisa |
Potomac River - 301 Bridge This station is located near the Highway 301 Bridge |
Type: Unknown Parameters: Weather |
38.3680, -76.9960 |
View External Data |
| NOAA |
Atlantic Ocean - Delaware Bay This station is located near the mouth of the Delaware Bay, 26 NM Southeast of Cape May, NJ |
Type: Buoy Parameters: Waves - Water Temp - Weather |
38.4640, -74.7020 |
View External Data |
| UMCES/CBL |
CBL Solomons Harbor Camera Live interactive camera of Solomons Harbor and Patuxent River Mouth |
Type: Camera Parameters: Video |
38.3203, -76.4521 |
View External Data |
Tide Predictions
Accessibility Note: This section provides location details for tide prediction stations.
For full daily high/low tide schedules and graphs, please visit the
NOAA Tides & Currents Portal
.
| Station | Location | Link |
|---|---|---|
| Annapolis - US Naval Academy - Severn River |
Lat: 38.9833 Long: -76.4800 |
|
| Ape Hole Creek - Pocomoke Sound - Chesapeake Bay |
Lat: 37.9617 Long: -75.8217 |
|
| Avalon - Dogwood Harbor - Chesapeake Bay |
Lat: 38.7083 Long: -76.3300 |
|
| Baltimore - Fort McHenry |
Lat: 39.2667 Long: -76.5783 |
|
| Barren Island - Chesapeake Bay |
Lat: 38.3417 Long: -76.2650 |
|
| Benedict - Patuxent River |
Lat: 38.5133 Long: -76.6700 |
|
| Bishops Head - Hooper Strait |
Lat: 38.2200 Long: -76.0383 |
|
| Bladensburg - Anacostia River |
Lat: 38.9333 Long: -76.9383 |
|
| Brewer Point - Severn River |
Lat: 39.0267 Long: -76.5333 |
|
| Broomes Island, Patuxent River |
Lat: 38.4150 Long: -76.5450 |
|
| Cambridge, Choptank River |
Lat: 38.5733 Long: -76.0683 |
|
| Centreville Landing, Corsica River, Chester River |
Lat: 39.0533 Long: -76.0750 |
|
| Chance, Chesapeake Bay |
Lat: 38.1700 Long: -75.9467 |
|
| Charlestown, Northeast River, Chesapeake Bay |
Lat: 39.5733 Long: -75.9700 |
|
| Cherry Island, Beckwiths Creek, Little Choptank River |
Lat: 38.5617 Long: -76.2083 |
|
| Chesapeake Beach, Chesapeake Bay |
Lat: 38.6833 Long: -76.5333 |
|
| Chesapeake City, Chesapeake and Delaware Canal |
Lat: 39.5267 Long: -75.8100 |
|
| Chestertown, Chester River |
Lat: 39.2067 Long: -76.0633 |
|
| Claiborne, Eastern Bay, Chesapeake Bay |
Lat: 38.8367 Long: -76.2800 |
|
| Cliffs Point, Chester River |
Lat: 39.1067 Long: -76.1417 |
|
| Cliffs Wharf, Chester River |
Lat: 39.1117 Long: -76.1383 |
|
| Clifton Beach, Smith Point, Potomac River |
Lat: 38.4133 Long: -77.2667 |
|
| Colburn Creek, Big Annemessex River, Chesapeake Bay |
Lat: 38.0483 Long: -75.8033 |
|
| Colton Point, Potomac River |
Lat: 38.2200 Long: -76.7500 |
|
| Cornfield Creek, Magothy River, Chesapeake Bay |
Lat: 39.1000 Long: -76.4450 |
|
| Cornfield Harbor, Potomac River |
Lat: 38.0617 Long: -76.3583 |
|
| Cove Point, Chesapeake Bay |
Lat: 38.3917 Long: -76.3983 |
|
| Crisfield, Little Annemessex River, Chesapeake Bay |
Lat: 37.9767 Long: -75.8633 |
|
| Crumpton, Chester River |
Lat: 39.2450 Long: -75.9250 |
|
| Deep Landing, Swan Creek, Chesapeake Bay |
Lat: 39.1450 Long: -76.2600 |
|
| Deep Neck Point, Broad Creek, Chesapeake Bay |
Lat: 38.7317 Long: -76.2683 |
|
| Dover Bridge, Choptank River |
Lat: 38.7567 Long: -75.9983 |
|
| Easton Point, Tred Avon River |
Lat: 38.7683 Long: -76.0983 |
|
| Edgewater, South River, Chesapeake Bay |
Lat: 38.9500 Long: -76.5500 |
|
| Ewell, Smith Island, Chesapeake Bay |
Lat: 37.9950 Long: -76.0317 |
|
| Ferry Cove, Tilghman Island, Chesapeake Bay |
Lat: 38.7650 Long: -76.3283 |
|
| Fort McHenry Marsh, Patapsco River |
Lat: 39.2617 Long: -76.5850 |
|
| Galesville, West River, Chesapeake Bay |
Lat: 38.8333 Long: -76.5333 |
|
| Gingerville Creek, South River, Chesapeake Bay |
Lat: 38.9583 Long: -76.5550 |
|
| Goose Creek, Port Tobacco River, Potomac River |
Lat: 38.4533 Long: -77.0550 |
|
| Great Shoals Light, Monie Bay, Chesapeake Bay |
Lat: 38.2167 Long: -75.8833 |
|
| Havre de Grace, Susquehanna River |
Lat: 39.5367 Long: -76.0900 |
|
| Hawkins Point, Patapsco River |
Lat: 39.2083 Long: -76.5333 |
|
| Hillsboro, Tuckahoe Creek, Choptank River |
Lat: 38.9167 Long: -75.9450 |
|
| Hillsboro, Tuckahoe Creek |
Lat: 38.9167 Long: -75.9450 |
|
| Holland Island Bar Light, Chesapeake Bay |
Lat: 38.0683 Long: -76.0967 |
|
| Hooper Island Light, Chesapeake Bay |
Lat: 38.2267 Long: -76.2433 |
|
| Hooper Strait Light, Chesapeake Bay |
Lat: 38.2267 Long: -76.0767 |
|
| Indian Head, Potomac River |
Lat: 38.6017 Long: -77.1850 |
|
| Kent Island Narrows, Chesapeake Bay |
Lat: 38.9667 Long: -76.2433 |
|
| Kent Point Marina, Chesapeake Bay |
Lat: 38.8367 Long: -76.3733 |
|
| Keydash, Isle of Wight Bay |
Lat: 38.3417 Long: -75.0850 |
|
| Liverpool Point, Potomac River |
Lat: 38.4600 Long: -77.2700 |
|
| Long Beach, Chesapeake Bay |
Lat: 38.4650 Long: -76.4733 |
|
| Long Point, Big Annemessex River, Chesapeake Bay |
Lat: 38.0567 Long: -75.8033 |
|
| Love Point, Chester River |
Lat: 39.0317 Long: -76.3017 |
|
| Lower Cedar Point, Potomac River |
Lat: 38.3417 Long: -76.9767 |
|
| Lower Marlboro, Patuxent River |
Lat: 38.6550 Long: -76.6833 |
|
| Marshall Hall, Potomac River |
Lat: 38.6867 Long: -77.1017 |
|
| Matapeake, Kent Island, Chesapeake Bay |
Lat: 38.9567 Long: -76.3550 |
|
| McCreedys Creek, Fishing Bay, Chesapeake Bay |
Lat: 38.3000 Long: -76.0067 |
|
| Middle Hooper Island, Chesapeake Bay |
Lat: 38.2967 Long: -76.2050 |
|
| Mills Point (south of), Wicomico River |
Lat: 38.3267 Long: -76.8333 |
|
| Mountain Point, Magothy River, Chesapeake Bay |
Lat: 39.0617 Long: -76.4333 |
|
| North Point, Patapsco River |
Lat: 39.1967 Long: -76.4467 |
|
| Ocean City (Isle of Wight Bay) |
Lat: 38.3317 Long: -75.0900 |
|
| Ocean City (fishing pier) |
Lat: 38.3267 Long: -75.0833 |
|
| Ocean City Inlet |
Lat: 38.3283 Long: -75.0917 |
|
| Old Frenchtown Wharf, Elk River |
Lat: 39.5750 Long: -75.8433 |
|
| Oxford, Tred Avon River |
Lat: 38.7000 Long: -76.1733 |
|
| Piney Point, Potomac River |
Lat: 38.1333 Long: -76.5333 |
|
| Point Lookout, Chesapeake Bay |
Lat: 38.0400 Long: -76.0233 |
|
| Pond Point, Bush River, Chesapeake Bay |
Lat: 39.3883 Long: -76.2550 |
|
| Port Deposit, Susquehanna River |
Lat: 39.6000 Long: -76.1133 |
|
| Public Landing |
Lat: 38.1483 Long: -75.2850 |
|
| Queenstown, Chester River |
Lat: 38.9967 Long: -76.1583 |
|
| Rhode River (County Wharf), Chesapeake Bay |
Lat: 38.8867 Long: -76.5400 |
|
| Riverside, Potomac River |
Lat: 38.3867 Long: -77.1450 |
|
| Roaring Point, Nanticoke River |
Lat: 38.2617 Long: -75.9200 |
|
| Rose Haven, Chesapeake Bay |
Lat: 38.7250 Long: -76.5417 |
|
| Salisbury, Wicomico River |
Lat: 38.3667 Long: -75.6000 |
|
| Sassafras River, Betterton, Chesapeake Bay |
Lat: 39.3717 Long: -76.0633 |
|
| Saxis, Starling Creek, Pocomoke Sound, Chesapeake Bay |
Lat: 37.9217 Long: -75.7283 |
|
| Sharkfin Shoal Light, Chesapeake Bay |
Lat: 38.2017 Long: -75.9867 |
|
| Sharptown, Nanticoke River |
Lat: 38.5417 Long: -75.7233 |
|
| Shelltown, Pocomoke River |
Lat: 37.9800 Long: -75.6383 |
|
| Smithville Road Bridge, Beaverdam Creek, Little Choptank River |
Lat: 38.4283 Long: -76.2367 |
|
| Snow Hill, Pocomoke River |
Lat: 38.1750 Long: -75.4000 |
|
| Solomons Island, Patuxent River |
Lat: 38.3167 Long: -76.4517 |
|
| South Point, Sinepuxent Neck |
Lat: 38.2150 Long: -75.1917 |
|
| St. Michaels, Miles River, Chesapeake Bay |
Lat: 38.7867 Long: -76.2217 |
|
| St. Michaels, San Domingo Creek, Chesapeake Bay |
Lat: 38.7750 Long: -76.2333 |
|
| Stony Creek, Patapsco River |
Lat: 39.1633 Long: -76.5267 |
|
| Taylors Island, Slaughter Creek, Little Choptank River |
Lat: 38.4667 Long: -76.2950 |
|
| Teague Creek, Manokin River, Chesapeake Bay |
Lat: 38.1083 Long: -75.8383 |
|
| Thomas Point Shoal Light, Chesapeake Bay |
Lat: 38.9000 Long: -76.4333 |
|
| Tolchester Beach, Chesapeake Bay |
Lat: 39.2133 Long: -76.2450 |
|
| Town Point Wharf, Elk River |
Lat: 39.5033 Long: -75.9167 |
|
| Vienna, Nanticoke River |
Lat: 38.4833 Long: -75.8183 |
|
| Whitehaven, Wicomico River |
Lat: 38.2667 Long: -75.7833 |
|
| Woolford, Church Creek, Little Choptank River |
Lat: 38.5067 Long: -76.1733 |
|
| Worton Creek entrance, Chesapeake Bay |
Lat: 39.2967 Long: -76.1717 |