Chesapeake Bay North PORTS®, NOAA/NOS
2023-09-25 23:07 EDT
Data Types
Water Levels
Air/Water Temp
Relative Humidity
Barometric Pressure
Salinity/Specific Gravity
Air Gap/Bridge Clearance
Water Levels (above MLLW)
Windmill Point 2.1 ft
Lewisetta 2.6 ft Rising
Dahlgren 2.7 ft Rising
Washington D.C. 0.7 ft Falling
Solomons Island 2.3 ft Rising
Annapolis 1.2 ft Rising
Baltimore 0.5 ft Steady
Chesapeake City 1.8 ft Falling
Tolchester Beach 0.4 ft Steady
Reedy Point 4.9 ft Falling
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Name Wind from Gusts to
Lewisetta 9 kn NE 13
Dahlgren 1 kn NNE 11
Rapp. Lt Front Range 14 kn NNE 16
Washington D.C. 4 kn NNE 7
Piney Point 7 kn NE 10
Solomons Island 5 kn NNE 9
Cove Point LNG Pier 11 kn NNW 14
Annapolis 5 kn NNW 9
NE Tower 12 kn N 16
Francis Scott Key B.. 9 kn NNE 11
Baltimore 8 kn N 11
Chesapeake City 8 kn NE 11
Tolchester Beach 5 kn NNE 9
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Air/Water Temp
Name Air Temp Water Temp
Lewisetta 65 °F 72 °F
Dahlgren 63 °F 71 °F
Washington D.C. 62 °F 70 °F
Solomons Island 63 °F 74 °F
Cove Point LNG Pier 62 °F  
Annapolis 63 °F 73 °F
Chesapeake Bay Brid.. 63 °F  
NE Tower *** °F  
Francis Scott Key B.. 61 °F  
Baltimore *** °F 71 °F
Chesapeake City 61 °F 70 °F
Tolchester Beach 61 °F 72 °F
Reedy Point 61 °F 71 °F
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Relative Humidity
Chesapeake Bay Brid.. 95%
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Barometric Pressure
Lewisetta 1020 mb Rising
Dahlgren *** mb
Rapp. Lt Front Range 1020 mb Rising
Washington D.C. 1021 mb Rising
Solomons Island 1020 mb Rising
Cove Point LNG Pier 1021 mb Rising
Annapolis 1021 mb Rising
NE Tower 1021 mb Rising
Francis Scott Key B.. *** mb
Chesapeake City 1022 mb Rising
Tolchester Beach 1021 mb Rising
Reedy Point 1021 mb Rising
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Chesapeake Bay Brid.. 5.40 nm
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Salinity/Specific Gravity
Station Salin. S.G.
Lewisetta 10.3 psu 1.006
Chesapeake City 3.0 psu 1.001
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Air Gap/Bridge Clearance (above water)
Chesapeake Bay Brdg 185.9 ft Decr.
Francis Scott Key B.. 189.1 ft Stdy.
Ches. City Bridge 140.9 ft Incr.
Reedy Point Bridge 136.6 ft Incr.
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Currents (F)lood, (S)lack, (E)bb, towards °T
Reedy Point (pred) 0.8 kn E168.0
Chesapeake City Cur.. 2.6 kn E271.0
Chesapeake Ch LBB 92 0.3 kn F324.0
Cove Point LNG Pier.. 0.4 kn F331.0
Rapp. Shl Ch LBB 60 0.3 kn F344.0
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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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