Chesapeake Bay North PORTS®, NOAA/NOS
2023-05-28 16:19 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 1.6 ft Rising
Lewisetta 1.1 ft Steady
Dahlgren 1.3 ft Falling
Washington D.C. 3.1 ft Falling
Solomons Island 0.9 ft
Annapolis 1.1 ft Falling
Baltimore 1.3 ft Falling
Chesapeake City 2.5 ft Rising
Tolchester Beach 1.4 ft Falling
Reedy Point 3.8 ft Rising
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Name Wind from Gusts to
Lewisetta 10 kn ENE 14
Dahlgren 4 kn E 9
Rapp. Lt Front Range 20 kn ENE 23
Washington D.C. 4 kn ESE 7
Piney Point 10 kn ENE 15
Solomons Island 10 kn NE 12
Cove Point LNG Pier 11 kn N 13
Annapolis 7 kn NE 10
NE Tower 9 kn E 11
Francis Scott Key B.. 10 kn E 12
Baltimore 5 kn E 11
Chesapeake City 4 kn SE 10
Tolchester Beach 6 kn E 8
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Air/Water Temp
Name Air Temp Water Temp
Lewisetta 67 °F 68 °F
Dahlgren 70 °F 72 °F
Washington D.C. 73 °F 72 °F
Solomons Island 69 °F 69 °F
Cove Point LNG Pier 69 °F  
Annapolis 70 °F 74 °F
Chesapeake Bay Brid.. 69 °F  
NE Tower 70 °F  
Francis Scott Key B.. 70 °F  
Baltimore 72 °F 70 °F
Chesapeake City 75 °F 70 °F
Tolchester Beach 71 °F 69 °F
Reedy Point 74 °F 69 °F
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Relative Humidity
Chesapeake Bay Brid.. 67%
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Barometric Pressure
Lewisetta 1016 mb Falling
Dahlgren 1016 mb Falling
Rapp. Lt Front Range 1016 mb Falling
Washington D.C. 1017 mb Falling
Solomons Island 1015 mb Falling
Cove Point LNG Pier 1017 mb Falling
Annapolis 1017 mb Falling
NE Tower 1017 mb Falling
Francis Scott Key B.. *** mb
Baltimore 1017 mb Falling
Chesapeake City 1017 mb Falling
Tolchester Beach 1018 mb Falling
Reedy Point 1017 mb Falling
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Chesapeake Bay Brid.. 5.40 nm
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Salinity/Specific Gravity
Station Salin. S.G.
Baltimore 6.9 psu 1.004
Chesapeake City 1.0 psu 1.000
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Air Gap/Bridge Clearance (above water)
Chesapeake Bay Brdg 185.6 ft Decr.
Francis Scott Key B.. 184.9 ft Stdy.
Ches. City Bridge 138.7 ft Decr.
Reedy Point Bridge 137.8 ft Decr.
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Currents (F)lood, (S)lack, (E)bb, towards °T
Reedy Point (pred) 0.9 kn F354.0
Chesapeake City Cur.. 1.3 kn F92.0
Chesapeake Ch LBB 92 0.3 kn E246.0
Cove Point LNG Pier.. 0.6 kn E137.0
Rapp. Shl Ch LBB 60 0.1 kn S360.0
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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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