NOAA/NOS/CO-OPS
Chesapeake Bay North PORTS®, NOAA/NOS
2025-04-01 07:19 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 1.0 ft Falling
Lewisetta 1.7 ft Falling
Dahlgren 1.9 ft Falling
Washington D.C. 0.7 ft Rising
Solomons Island 1.6 ft Falling
Annapolis 1.7 ft Rising
Baltimore 1.2 ft Rising
Chesapeake City 0.5 ft Falling
Tolchester Beach 1.3 ft Rising
Reedy Point 1.1 ft Falling
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Winds
Name Wind from Gusts to
Lewisetta 15 kn NNW 22
Dahlgren 8 kn NNW 13
Rapp. Lt Front Range 23 kn NNW 28
Washington D.C. 11 kn NW 16
Piney Point *** kn *** ***
Solomons Island 14 kn NNW 18
Cove Point LNG Pier 21 kn NNW 27
Annapolis 19 kn NW 24
Francis Scott Key B.. 19 kn NW 23
Baltimore 11 kn NW 20
Chesapeake City 12 kn NNW 25
Tolchester Beach 19 kn NW 23
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Air/Water Temp
Name Air Temp Water Temp
Lewisetta 50 °F 59 °F
Dahlgren 47 °F 57 °F
Washington D.C. 46 °F 59 °F
Solomons Island 48 °F 53 °F
Cove Point LNG Pier 47 °F  
Annapolis 47 °F *** °F
Chesapeake Bay Br 47 °F  
Francis Scott Key B.. 46 °F  
Baltimore 45 °F 55 °F
Chesapeake City 45 °F 55 °F
Tolchester Beach 47 °F 54 °F
Reedy Point 45 °F 53 °F
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Relative Humidity
Chesapeake Bay Br 66%
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Barometric Pressure
Lewisetta 1013 mb Rising
Dahlgren 1013 mb Rising
Rapp. Lt Front Range 1013 mb Rising
Washington D.C. 1014 mb Rising
Solomons Island 1013 mb Rising
Cove Point LNG Pier 1013 mb Rising
Annapolis 1012 mb Rising
Francis Scott Key B.. 1013 mb Rising
Chesapeake City 1012 mb Rising
Tolchester Beach 1013 mb Rising
Reedy Point 1011 mb Rising
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Visibility
Chesapeake Bay Br 5.40 nm
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Salinity/Specific Gravity
Station Salin. S.G.
Lewisetta 15.1 psu 1.012
Chesapeake City 0.7 psu 1.001
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Air Gap/Bridge Clearance (above water)
WPL Br: Center Ch 185.1 ft Stdy.
WPL Br: 170ft E of .. 186.9 ft Decr.
Ches. City Bridge 142.2 ft Incr.
Reedy Point Bridge 140.3 ft Stdy.
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Currents (F)lood, (S)lack, (E)bb, towards °T
StationSpdDir
Reedy Point (pred) 2.4 kn E164.0
Chesapeake City Cur.. 0.3 kn E265.0
Chesapeake Ch, LB 91 0.4 kn F324.0
Cove Point LNG Pier.. 0.2 kn S112.0
Rapp. Shl Ch LB 60 1.0 kn E178.0
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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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