Chesapeake Bay North PORTS®, NOAA/NOS
2018-07-18 02:52 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 5.7 ft Rising
Chesapeake City 3.7 ft Rising
Baltimore 1.4 ft Falling
Tolchester Beach 1.5 ft Falling
Annapolis 1.1 ft Falling
Washington D.C. 3.2 ft Falling
Dahlgren 0.8 ft Rising
Solomons Island 0.8 ft Rising
Lewisetta 1.3 ft Rising
Windmill Point 1.8 ft Rising
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Name Wind from Gusts to
Chesapeake City 5 kn NNW 7
Baltimore 9 kn N 12
NE Tower 16 kn NNW 20
Francis Scott Key B.. 15 kn NW 17
Tolchester Beach 13 kn N 15
Washington D.C. 6 kn NW 10
Cove Point LNG Pier 12 kn NNW 16
Dahlgren 5 kn NNW 9
Solomons Island 5 kn WNW 7
Piney Point *** kn *** ***
Lewisetta 6 kn WNW 7
Rapp. Lt Front Range 16 kn W 17
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Air/Water Temp
Name Air Temp Water Temp
Reedy Point 74 °F 83 °F
Chesapeake City 73 °F 83 °F
Baltimore 75 °F 84 °F
NE Tower 75 °F  
Francis Scott Key B.. 76 °F  
Tolchester Beach 77 °F 82 °F
Chesapeake Bay Brid.. 75 °F  
Annapolis 74 °F  
Washington D.C. 73 °F 84 °F
Cove Point LNG Pier 75 °F  
Dahlgren 74 °F 83 °F
Solomons Island 74 °F 81 °F
Lewisetta 76 °F 82 °F
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Relative Humidity
Chesapeake Bay Brid.. 100%
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Barometric Pressure
Reedy Point 1010 mb Steady
Chesapeake City 1011 mb Rising
Baltimore 1011 mb Rising
NE Tower 1011 mb Rising
Francis Scott Key B.. 1011 mb Rising
Tolchester Beach 1011 mb Rising
Annapolis 1011 mb Rising
Washington D.C. 1012 mb Rising
Cove Point LNG Pier 1011 mb Rising
Dahlgren 1011 mb Rising
Solomons Island 1011 mb Rising
Lewisetta 1011 mb Rising
Rapp. Lt Front Range 1011 mb Falling
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Chesapeake Bay Brid.. 5.40 nm
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Salinity/Specific Gravity
Station Salin. S.G.
Chesapeake City 0.3 psu 1.0
Baltimore 2.4 psu 1.0
Lewisetta 6.3 psu 1.0
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Air Gap/Bridge Clearance (above water)
Reedy Point Bridge 135.7 ft Decr.
Ches. City Bridge 140.1 ft Decr.
Francis Scott Key B.. 185.0 ft Incr.
Chesapeake Bay Brdg 185.5 ft Incr.
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Currents (F)lood, (S)lack, (E)bb, towards °T
Reedy Point (pred) 1.7 kn F359.0
Chesapeake City Cur.. 0.6 kn F91.0
Tolch. Front Range *** kn
Chesapeake Ch LBB 92 0.8 kn E194.0
Cove Point LNG Pier.. *** kn
Potomac R MCh LWB B *** kn
Rapp. Shl Ch LBB 60 0.6 kn F11.0
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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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