Chesapeake Bay North PORTS®, NOAA/NOS
2020-04-06 08:24 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 4.8 ft Rising
Chesapeake City 3.9 ft Rising
Baltimore 2.1 ft
Tolchester Beach 2.5 ft Falling
Annapolis 1.8 ft Falling
Washington D.C. 4.2 ft Falling
Dahlgren 1.4 ft Falling
Solomons Island 1.2 ft Falling
Lewisetta 1.5 ft Rising
Windmill Point 2.4 ft Rising
Go to top
Name Wind from Gusts to
Chesapeake City 6 kn NNE 13
Baltimore 11 kn NE 13
NE Tower 12 kn N 15
Francis Scott Key B.. 10 kn N 13
Tolchester Beach 8 kn NNE 10
Washington D.C. 3 kn NE 8
Cove Point LNG Pier *** kn *** ***
Dahlgren 2 kn WSW 3
Solomons Island 5 kn NW 6
Piney Point 3 kn NNW 3
Lewisetta 4 kn WSW 5
Rapp. Lt Front Range 4 kn W 5
Go to top
Air/Water Temp
Name Air Temp Water Temp
Reedy Point 53 °F 52 °F
Chesapeake City 52 °F 52 °F
Baltimore 54 °F 54 °F
NE Tower 54 °F  
Francis Scott Key B.. 54 °F  
Tolchester Beach 53 °F 53 °F
Chesapeake Bay Brid.. 54 °F  
Annapolis 57 °F  
Washington D.C. 60 °F 57 °F
Cove Point LNG Pier *** °F  
Dahlgren 54 °F 56 °F
Solomons Island 58 °F 54 °F
Lewisetta 56 °F 55 °F
Go to top
Relative Humidity
Chesapeake Bay Brid.. ***%
Go to top
Barometric Pressure
Reedy Point 1018 mb Rising
Chesapeake City 1019 mb Rising
Baltimore 1018 mb Rising
NE Tower 1018 mb Rising
Francis Scott Key B.. 1018 mb Rising
Tolchester Beach 1019 mb Rising
Annapolis 1018 mb Rising
Washington D.C. 1018 mb Rising
Cove Point LNG Pier *** mb
Dahlgren 1017 mb Rising
Solomons Island 1017 mb Rising
Lewisetta 1018 mb Rising
Rapp. Lt Front Range 1019 mb Rising
Go to top
Chesapeake Bay Brid.. 5.40 nm
Go to top
Salinity/Specific Gravity
Station Salin. S.G.
Chesapeake City 0.9 psu 1.001
Baltimore 8.3 psu 1.007
Lewisetta 13.6 psu 1.011
Go to top
Air Gap/Bridge Clearance (above water)
Reedy Point Bridge 136.5 ft Decr.
Ches. City Bridge 138.7 ft Decr.
Francis Scott Key B.. 183.9 ft Incr.
Chesapeake Bay Brdg 185.5 ft Incr.
Go to top
Currents (F)lood, (S)lack, (E)bb, towards °T
Reedy Point (pred) 2.2 kn F359.0
Chesapeake City Cur.. 1.5 kn F87.0
Tolch. Front Range 0.2 kn S186.0
Chesapeake Ch LBB 92 0.7 kn E219.0
Cove Point LNG Pier.. *** kn
Potomac R MCh LWB B *** kn
Rapp. Shl Ch LBB 60 *** kn
Go to top
**** 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.
Web site owner: Center for Operational Oceanographic Products and Services (CO-OPS)
Privacy Policy