Chesapeake Bay North PORTS®, NOAA/NOS
2018-03-21 16:08 EDT
Data Types
Water Levels
Air/Water Temp
Relative Humidity
Barometric Pressure
Salinity/Specific Gravity
Air Gap/Bridge Clearance
Real-Time Text Summary
Water Levels (above MLLW)
Reedy Point 6.5 ft Falling
Chesapeake City 3.4 ft Falling
Baltimore 1.1 ft Falling
Tolchester Beach 1.2 ft Falling
Annapolis 1.3 ft Rising
Washington D.C. 1.9 ft Falling
Dahlgren 2.3 ft Rising
Solomons Island 2.2 ft Rising
Lewisetta 2.6 ft Rising
Windmill Point 2.6 ft Falling
Go to top
Name Wind from Gusts to
Chesapeake City 9 kn N 13
Baltimore 13 kn NNE 16
NE Tower *** kn *** ***
Francis Scott Key B.. 14 kn NNW 16
Tolchester Beach 17 kn N 20
Washington D.C. 4 kn N 15
Cove Point LNG Pier 25 kn N 28
Dahlgren 7 kn NNW 9
Solomons Island 12 kn NNW 16
Piney Point 17 kn N 20
Lewisetta 13 kn N 19
Rapp. Lt Front Range 25 kn NNW 31
Go to top
Air/Water Temp
Name Air Temp Water Temp
Reedy Point 32 °F 40 °F
Chesapeake City 33 °F 41 °F
Baltimore 32 °F 42 °F
NE Tower *** °F  
Francis Scott Key B.. 32 °F  
Tolchester Beach 32 °F 41 °F
Chesapeake Bay Brid.. 33 °F  
Annapolis 33 °F  
Washington D.C. 35 °F 42 °F
Cove Point LNG Pier 32 °F  
Dahlgren 33 °F 42 °F
Solomons Island 32 °F 42 °F
Lewisetta 34 °F 41 °F
Go to top
Relative Humidity
Chesapeake Bay Brid.. 100%
Go to top
Barometric Pressure
Reedy Point 1003 mb Rising
Chesapeake City 1004 mb Rising
Baltimore 1004 mb Rising
NE Tower *** mb
Francis Scott Key B.. 1004 mb Rising
Tolchester Beach 1004 mb Rising
Annapolis 1003 mb Rising
Washington D.C. 1005 mb Rising
Cove Point LNG Pier 1003 mb Rising
Dahlgren 1003 mb
Solomons Island 1003 mb Rising
Lewisetta 1003 mb Rising
Rapp. Lt Front Range 1002 mb Rising
Go to top
Chesapeake Bay Brid.. 0.52 nm
Go to top
Salinity/Specific Gravity
Station Salin. S.G.
Chesapeake City 3.7 psu 1.0
Baltimore 6.9 psu 1.01
Lewisetta 12.4 psu 1.01
Go to top
Air Gap/Bridge Clearance (above water)
Reedy Point Bridge 134.9 ft Incr.
Ches. City Bridge 140.5 ft Incr.
Francis Scott Key B.. 184.9 ft Incr.
Chesapeake Bay Brdg 186.8 ft Stdy.
Go to top
Currents (F)lood, (S)lack, (E)bb, towards °T
Reedy Point (pred) 0.6 kn F359.0
Chesapeake City Cur.. 2.7 kn E270.0
Tolch. Front Range *** kn
Chesapeake Ch LBB 92 0.6 kn E218.0
Cove Point LNG Pier.. 0.1 kn S124.0
Potomac R MCh LWB B *** kn
Rapp. Shl Ch LBB 60 0.4 kn F14.0
Go to top
Real-Time Text Summary
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