Chesapeake Bay North PORTS®, NOAA/NOS
2018-08-20 02:28 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 1.9 ft Rising
Chesapeake City 1.5 ft
Baltimore 2.1 ft Rising
Tolchester Beach 2.0 ft Rising
Annapolis 2.0 ft Rising
Washington D.C. 2.8 ft Rising
Dahlgren 2.0 ft Falling
Solomons Island 1.4 ft Falling
Lewisetta 1.4 ft Falling
Windmill Point 1.2 ft Steady
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Name Wind from Gusts to
Chesapeake City 9 kn ENE 13
Baltimore 8 kn ENE 9
NE Tower 11 kn E 13
Francis Scott Key B.. 10 kn E 12
Tolchester Beach 2 kn NE 4
Washington D.C. 1 kn NE 6
Cove Point LNG Pier 10 kn E 14
Dahlgren 5 kn E 8
Solomons Island 11 kn NE 12
Piney Point 8 kn ENE 10
Lewisetta 13 kn ENE 16
Rapp. Lt Front Range 11 kn NE 12
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Air/Water Temp
Name Air Temp Water Temp
Reedy Point 68 °F 80 °F
Chesapeake City 69 °F 81 °F
Baltimore 69 °F 84 °F
NE Tower 69 °F  
Francis Scott Key B.. 70 °F  
Tolchester Beach 69 °F 80 °F
Chesapeake Bay Brid.. 72 °F  
Annapolis 73 °F  
Washington D.C. 73 °F 81 °F
Cove Point LNG Pier 73 °F  
Dahlgren 74 °F 83 °F
Solomons Island 74 °F 83 °F
Lewisetta 76 °F 83 °F
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Relative Humidity
Chesapeake Bay Brid.. 91%
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Barometric Pressure
Reedy Point 1017 mb Falling
Chesapeake City 1018 mb Falling
Baltimore 1018 mb Rising
NE Tower 1018 mb
Francis Scott Key B.. 1018 mb Rising
Tolchester Beach 1018 mb Rising
Annapolis 1017 mb Rising
Washington D.C. 1017 mb Rising
Cove Point LNG Pier 1018 mb Rising
Dahlgren 1016 mb Rising
Solomons Island 1017 mb Rising
Lewisetta 1016 mb Rising
Rapp. Lt Front Range 1017 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 0.2 psu 1.0
Baltimore 0.8 psu 1.0
Lewisetta 6.1 psu 1.0
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Air Gap/Bridge Clearance (above water)
Reedy Point Bridge 139.7 ft Decr.
Ches. City Bridge 142.4 ft Decr.
Francis Scott Key B.. 184.2 ft Decr.
Chesapeake Bay Brdg 184.8 ft Stdy.
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Currents (F)lood, (S)lack, (E)bb, towards °T
Reedy Point (pred) 1.2 kn E179.0
Chesapeake City Cur.. 0.4 kn F88.0
Tolch. Front Range *** kn
Chesapeake Ch LBB 92 1.1 kn F19.0
Cove Point LNG Pier.. *** kn
Potomac R MCh LWB B *** kn
Rapp. Shl Ch LBB 60 0.3 kn E147.0
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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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