Chesapeake Bay North PORTS®, NOAA/NOS
2018-12-16 06:16 EST
Data Types
Water Levels
Air/Water Temp
Relative Humidity
Barometric Pressure
Salinity/Specific Gravity
Air Gap/Bridge Clearance
Water Levels (above MLLW)
Reedy Point 6.5 ft Falling
Chesapeake City 3.1 ft Falling
Baltimore 1.0 ft Falling
Tolchester Beach 0.9 ft Falling
Annapolis 1.1 ft Steady
Washington D.C. 3.0 ft Falling
Dahlgren 1.9 ft Rising
Solomons Island 2.0 ft Rising
Lewisetta 2.2 ft Rising
Windmill Point 2.2 ft Rising
Go to top
Name Wind from Gusts to
Chesapeake City 16 kn ENE 21
Baltimore 11 kn E 16
NE Tower *** kn *** ***
Francis Scott Key B.. 12 kn NE 14
Tolchester Beach 8 kn ENE 12
Washington D.C. 4 kn NE 12
Cove Point LNG Pier 11 kn NNW 11
Dahlgren 1 kn NE 3
Solomons Island 4 kn WNW 6
Piney Point 5 kn WNW 5
Lewisetta 7 kn SW 10
Rapp. Lt Front Range 11 kn SSW 12
Go to top
Air/Water Temp
Name Air Temp Water Temp
Reedy Point 42 °F 41 °F
Chesapeake City 43 °F 41 °F
Baltimore 44 °F 45 °F
NE Tower *** °F  
Francis Scott Key B.. 44 °F  
Tolchester Beach 46 °F 44 °F
Chesapeake Bay Brid.. 46 °F  
Annapolis 45 °F  
Washington D.C. 46 °F 41 °F
Cove Point LNG Pier 45 °F  
Dahlgren 49 °F 44 °F
Solomons Island 47 °F 44 °F
Lewisetta 50 °F 43 °F
Go to top
Relative Humidity
Chesapeake Bay Brid.. 100%
Go to top
Barometric Pressure
Reedy Point 1012 mb Falling
Chesapeake City 1013 mb Falling
Baltimore 1012 mb Falling
NE Tower *** mb
Francis Scott Key B.. 1012 mb Falling
Tolchester Beach 1012 mb Falling
Annapolis 1011 mb Falling
Washington D.C. 1012 mb Falling
Cove Point LNG Pier 1011 mb Falling
Dahlgren 1010 mb Falling
Solomons Island 1010 mb Falling
Lewisetta 1010 mb Falling
Rapp. Lt Front Range 1012 mb Falling
Go to top
Chesapeake Bay Brid.. 5.40 nm
Go to top
Salinity/Specific Gravity
Station Salin. S.G.
Chesapeake City *** psu ***
Baltimore 2.6 psu 1.003
Lewisetta 5.3 psu 1.005
Go to top
Air Gap/Bridge Clearance (above water)
Reedy Point Bridge 134.9 ft Incr.
Ches. City Bridge 140.7 ft Incr.
Francis Scott Key B.. 185.0 ft Incr.
Chesapeake Bay Brdg 186.7 ft Decr.
Go to top
Currents (F)lood, (S)lack, (E)bb, towards °T
Reedy Point (pred) 1.1 kn F359.0
Chesapeake City Cur.. 2.2 kn E268.0
Tolch. Front Range *** kn
Chesapeake Ch LBB 92 0.4 kn E246.0
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