NOAA/NOS/CO-OPS
Chesapeake Bay North PORTS®, NOAA/NOS
2025-07-14 02:31 EDT
Data Types
Water Levels
Winds
Air/Water Temp
Relative Humidity
Barometric Pressure
Visibility
Salinity/Specific Gravity
Air Gap/Bridge Clearance
Currents
Water Levels (above MLLW)
Windmill Point 2.5 ft Steady
Lewisetta 2.3 ft Rising
Dahlgren 2.0 ft Rising
Washington D.C. 2.3 ft Falling
Solomons Island 2.0 ft Rising
Annapolis 1.3 ft Steady
Baltimore 1.5 ft Falling
Chesapeake City 4.1 ft Falling
Tolchester Beach 1.6 ft Falling
Reedy Point 7.1 ft Rising
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Winds
Name Wind from Gusts to
Lewisetta 4 kn SSW 6
Dahlgren 3 kn SSE 4
Rapp. Lt Front Range 7 kn SE 8
Washington D.C. 5 kn SSW 8
Piney Point 7 kn S 9
Solomons Island 4 kn SSW 4
Cove Point LNG Pier 7 kn S 8
Annapolis 5 kn S 6
Francis Scott Key B.. 5 kn SSW 7
Baltimore 0 kn SSE 3
Chesapeake City 1 kn SSE 2
Tolchester Beach 3 kn SE 6
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Air/Water Temp
Name Air Temp Water Temp
Lewisetta 78 °F 83 °F
Dahlgren 77 °F 86 °F
Washington D.C. 80 °F 86 °F
Solomons Island 78 °F 85 °F
Cove Point LNG Pier 78 °F  
Annapolis 79 °F 85 °F
Chesapeake Bay Br 81 °F  
Francis Scott Key B.. 79 °F  
Baltimore 79 °F 85 °F
Chesapeake City 76 °F 85 °F
Tolchester Beach 76 °F 85 °F
Reedy Point 77 °F 84 °F
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Relative Humidity
Chesapeake Bay Br 97%
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Barometric Pressure
Lewisetta 1017 mb Falling
Dahlgren 1016 mb Falling
Rapp. Lt Front Range 1018 mb Falling
Washington D.C. 1017 mb Falling
Solomons Island 1017 mb Falling
Cove Point LNG Pier 1018 mb Falling
Annapolis 1017 mb Falling
Francis Scott Key B.. 1017 mb Falling
Chesapeake City 1017 mb Falling
Tolchester Beach 1017 mb Falling
Reedy Point 1017 mb Falling
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Visibility
Chesapeake Bay Br 5.40 nm
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Salinity/Specific Gravity
Station Salin. S.G.
Lewisetta 7.6 psu 1.003
Chesapeake City 0.5 psu 0.997
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Air Gap/Bridge Clearance (above water)
WPL Br: Center Ch 184.6 ft Incr.
WPL Br: 170ft E of .. 186.4 ft Stdy.
Ches. City Bridge 138.6 ft Incr.
Reedy Point Bridge 134.4 ft Stdy.
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Currents (F)lood, (S)lack, (E)bb, towards °T
StationSpdDir
Reedy Point (pred) 1.0 kn F360.0
Chesapeake City Cur.. 1.5 kn E278.0
Brewerton Ch, LB 2BE 0.3 kn E185.0
Chesapeake Ch, LB 91 0.7 kn E232.0
Cove Point LNG Pier.. 0.4 kn F329.0
Rapp. Shl Ch LB 60 0.4 kn F349.0
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**** Data not displayed as a result of missing data or quality control monitoring. For more information, go to https://corms.nos.noaa.gov/instrument_status.html, or call CORMS at 301-713-2540.
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