Chesapeake Bay North PORTS®, NOAA/NOS
2017-12-16 06:04 EST
Data Types
Water Levels
Air/Water Temp
Relative Humidity
Barometric Pressure
Salinity/Specific Gravity
Air Gap/Bridge Clearance
Real-Time Text Summary
Water Levels (above MLLW)
Reedy Point 1.6 ft Rising
Chesapeake City 0.8 ft Rising
Baltimore 0.6 ft Steady
Tolchester Beach 0.7 ft Steady
Annapolis 0.2 ft Falling
Washington D.C. 2.1 ft
Dahlgren -0.2 ft Falling
Solomons Island -0.2 ft Falling
Lewisetta -0.2 ft Steady
Windmill Point 0.3 ft Rising
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Name Wind from Gusts to
Chesapeake City 1 kn SSE 3
Baltimore 5 kn W 8
NE Tower 8 kn SW 14
Francis Scott Key B.. 12 kn SW 13
Tolchester Beach 14 kn SW 16
Washington D.C. 4 kn SSW 5
Cove Point LNG Pier 8 kn W 12
Dahlgren 2 kn WNW 6
Solomons Island 5 kn WSW 7
Piney Point 12 kn WNW 14
Lewisetta 10 kn W 11
Rapp. Lt Front Range 13 kn W 14
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Air/Water Temp
Name Air Temp Water Temp
Reedy Point 21 °F 40 °F
Chesapeake City 22 °F 37 °F
Baltimore 27 °F 46 °F
NE Tower 32 °F  
Francis Scott Key B.. 30 °F  
Tolchester Beach 34 °F 38 °F
Chesapeake Bay Brid.. 33 °F  
Annapolis 29 °F  
Washington D.C. 30 °F 40 °F
Cove Point LNG Pier 32 °F  
Dahlgren 28 °F 38 °F
Solomons Island 31 °F 45 °F
Lewisetta 30 °F 38 °F
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Relative Humidity
Chesapeake Bay Brid.. 70%
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Barometric Pressure
Reedy Point 1019 mb Rising
Chesapeake City 1019 mb Rising
Baltimore 1019 mb Rising
NE Tower 1019 mb Rising
Francis Scott Key B.. 1020 mb Rising
Tolchester Beach 1020 mb Rising
Annapolis 1020 mb Rising
Washington D.C. 1021 mb Rising
Cove Point LNG Pier 1022 mb Rising
Dahlgren 1021 mb Rising
Solomons Island 1021 mb Rising
Lewisetta 1022 mb Rising
Rapp. Lt Front Range 1022 mb Rising
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Chesapeake Bay Brid.. 5.40 nm
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Salinity/Specific Gravity
Station Salin. S.G.
Chesapeake City 0.9 psu 1.0
Baltimore 10.9 psu 1.01
Lewisetta 16.0 psu 1.01
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Air Gap/Bridge Clearance (above water)
Reedy Point Bridge 139.6 ft Decr.
Ches. City Bridge 142.9 ft Decr.
Francis Scott Key B.. *** ft
Chesapeake Bay Brdg 188.1 ft Incr.
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Currents (F)lood, (S)lack, (E)bb, towards °T
Reedy Point (pred) 0.7 kn F359.0
Chesapeake City Cur.. 1.6 kn F88.0
Tolch. Front Range 0.4 kn F333.0
Chesapeake Ch LBB 92 0.2 kn S7.0
Cove Point LNG Pier.. 0.3 kn E140.0
Potomac R MCh LWB B *** kn
Rapp. Shl Ch LBB 60 0.1 kn S100.0
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Real-Time Text Summary
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**** Data not displayed as a result of missing data or quality control monitoring. For more information, go to, or call CORMS at 301-713-2540.
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