Chesapeake Bay North PORTS®, NOAA/NOS
2019-03-18 09:55 EDT
Data Types
Water Levels
Air/Water Temp
Relative Humidity
Barometric Pressure
Salinity/Specific Gravity
Air Gap/Bridge Clearance
Water Levels (above MLLW)
Reedy Point 6.3 ft Rising
Chesapeake City 3.2 ft Falling
Baltimore 0.4 ft Falling
Tolchester Beach 0.4 ft Falling
Annapolis 0.3 ft Falling
Washington D.C. 1.9 ft Falling
Dahlgren 1.0 ft Rising
Solomons Island 1.1 ft Rising
Lewisetta 1.6 ft Rising
Windmill Point 1.7 ft Rising
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Name Wind from Gusts to
Chesapeake City 7 kn E 11
Baltimore 7 kn E 10
NE Tower 11 kn ENE 13
Francis Scott Key B.. 8 kn ESE 10
Tolchester Beach 6 kn E 12
Washington D.C. 3 kn E 6
Cove Point LNG Pier 9 kn ESE 11
Dahlgren 8 kn E 11
Solomons Island 10 kn ENE 13
Piney Point 8 kn SE 9
Lewisetta 11 kn ESE 12
Rapp. Lt Front Range 8 kn NE 10
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Air/Water Temp
Name Air Temp Water Temp
Reedy Point 36 °F 47 °F
Chesapeake City 38 °F 47 °F
Baltimore 38 °F 45 °F
NE Tower 37 °F  
Francis Scott Key B.. 38 °F  
Tolchester Beach 36 °F 46 °F
Chesapeake Bay Brid.. 38 °F  
Annapolis 39 °F  
Washington D.C. 42 °F 49 °F
Cove Point LNG Pier 42 °F  
Dahlgren 43 °F *** °F
Solomons Island 42 °F 45 °F
Lewisetta 44 °F 48 °F
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Relative Humidity
Chesapeake Bay Brid.. 58%
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Barometric Pressure
Reedy Point 1026 mb Rising
Chesapeake City 1027 mb Rising
Baltimore 1026 mb Rising
NE Tower 1026 mb Rising
Francis Scott Key B.. 1026 mb Rising
Tolchester Beach 1026 mb Rising
Annapolis 1026 mb Rising
Washington D.C. 1026 mb Rising
Cove Point LNG Pier 1026 mb Rising
Dahlgren 1024 mb Rising
Solomons Island 1025 mb Rising
Lewisetta 1024 mb Rising
Rapp. Lt Front Range 1025 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 0.1 psu 1.001
Baltimore 7.1 psu 1.006
Lewisetta 4.8 psu 1.004
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Air Gap/Bridge Clearance (above water)
Reedy Point Bridge 135.1 ft Decr.
Ches. City Bridge 140.7 ft Incr.
Francis Scott Key B.. 185.6 ft Incr.
Chesapeake Bay Brdg 187.5 ft Stdy.
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Currents (F)lood, (S)lack, (E)bb, towards °T
Reedy Point (pred) *** kn
Chesapeake City Cur.. 1.3 kn E269.0
Tolch. Front Range *** kn
Chesapeake Ch LBB 92 1.0 kn E222.0
Cove Point LNG Pier.. *** kn
Potomac R MCh LWB B *** kn
Rapp. Shl Ch LBB 60 0.7 kn F342.0
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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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