Chesapeake Bay North PORTS®, NOAA/NOS
2017-08-18 10:32 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 5.0 ft Falling
Chesapeake City 3.3 ft Falling
Baltimore 1.8 ft Falling
Tolchester Beach 1.7 ft Falling
Annapolis 1.8 ft Rising
Washington D.C. 1.7 ft Falling
Dahlgren 2.5 ft Rising
Solomons Island 2.2 ft Rising
Lewisetta 2.3 ft Rising
Windmill Point 1.8 ft Falling
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Name Wind from Gusts to
Chesapeake City 7 kn S 11
Baltimore 4 kn SW 6
NE Tower *** kn *** ***
Francis Scott Key B.. 6 kn S 7
Tolchester Beach 7 kn SSW 12
Washington D.C. 9 kn S 10
Cove Point LNG Pier 12 kn WSW 18
Dahlgren 6 kn SSW 10
Solomons Island 15 kn SW 18
Piney Point 11 kn SW 13
Lewisetta 13 kn SW 16
Rapp. Lt Front Range 11 kn SSW 13
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Air/Water Temp
Name Air Temp Water Temp
Reedy Point 80 °F 81 °F
Chesapeake City 79 °F 82 °F
Baltimore 79 °F 83 °F
NE Tower *** °F  
Francis Scott Key B.. 78 °F  
Tolchester Beach 79 °F 80 °F
Chesapeake Bay Brid.. 79 °F  
Annapolis 81 °F  
Washington D.C. 80 °F 80 °F
Cove Point LNG Pier 82 °F  
Dahlgren 80 °F 83 °F
Solomons Island 81 °F 81 °F
Lewisetta 81 °F 81 °F
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Relative Humidity
Chesapeake Bay Brid.. 100%
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Barometric Pressure
Reedy Point 1011 mb Falling
Chesapeake City 1012 mb Falling
Baltimore 1011 mb Falling
NE Tower *** mb
Francis Scott Key B.. 1011 mb Falling
Tolchester Beach 1012 mb Falling
Annapolis 1011 mb Falling
Washington D.C. 1011 mb Falling
Cove Point LNG Pier 1012 mb Falling
Dahlgren 1011 mb Falling
Solomons Island 1012 mb Falling
Lewisetta 1012 mb Falling
Rapp. Lt Front Range 1014 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 1.0 psu 1.0
Baltimore 2.5 psu 1.0
Lewisetta 10.9 psu 1.01
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Air Gap/Bridge Clearance (above water)
Reedy Point Bridge *** ft
Ches. City Bridge 140.6 ft Incr.
Francis Scott Key B.. *** ft
Chesapeake Bay Brdg 184.7 ft Decr.
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Currents (F)lood, (S)lack, (E)bb, towards °T
Reedy Point (pred) 0.1 kn E179.0
Chesapeake City Cur.. 0.7 kn E268.0
Tolch. Front Range 1.0 kn E199.0
Chesapeake Ch LBB 92 *** kn
Cove Point LNG Pier.. 0.2 kn S332.0
Potomac R MCh LWB B *** kn
Rapp. Shl Ch LBB 60 0.4 kn F303.0
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Real-Time Text Summary
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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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