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Offshore Forecast
Issued by NWS
Issued by NWS
912 FZNT24 KWNM 181533 OFFN02 NAVTEX Marine Forecast for Mid-Atlantic states waters NWS Ocean Prediction Center Washington DC 1133 AM EDT Sun Aug 18 2024 Conditions given represent the highest within that period. Locally higher winds and seas can be expected in and near tstms. ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed coastal waters forecasts... .SYNOPSIS...A weakening high pressure ridge stretching from SW to NE across the waters will dissipate tonight. Tropical Storm Ernesto will remain well E of the area as it continues tracking NNE and once again becomes a hurricane by later today and tonight. Long period SE to E swell from Ernesto will persist across the region today through Mon night. See the latest National Hurricane Center advisory on Ernesto for more information. A cold front will gradually move offshore late Mon and Mon night, then slowly move ESE across the waters Tue into Tue night. The front will move E of the northern and central waters by Wed while stalling across the far southern waters and remaining nearly stationary Wed night through Thu night. A weak low pressure trough will pass E across the northern waters late Wed or Wed night, followed by high pressure building E across the northern and central waters Thu and Thu night. The NAVTEX station in Chesapeake remains inoperable, and should be assumed to be inoperable until a return to service has been reported. Sandy Hook to 37.5N .TODAY...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 6 to 9 ft. Scattered showers. .TONIGHT...S to SW winds 15 to 25 kt. Seas 5 to 8 ft. Scattered showers and tstms. .MON...SW winds 20 to 30 kt. Seas 6 to 10 ft. Isolated showers and tstms. .MON NIGHT...SW winds 20 to 30 kt. Seas 7 to 10 ft. Scattered showers and tstms. .TUE...W to NW winds 10 to 20 kt. Seas 5 to 8 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft. .WED...NW winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 4 ft. .THU...N winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...Variable winds 5 to 15 kt. Seas 3 to 4 ft. 37.5N to Cape Hatteras .TODAY...S to SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 6 to 10 ft. Scattered showers. .TONIGHT...SW winds 15 to 25 kt. Seas 5 to 9 ft. Scattered showers and tstms. .MON...SW winds 20 to 30 kt. Seas 6 to 9 ft. Scattered showers and tstms. .MON NIGHT...W to SW winds 20 to 30 kt. Seas 7 to 10 ft. Scattered showers and tstms. .TUE...W to SW winds 10 to 20 kt. Seas 5 to 9 ft. .TUE NIGHT...N winds 5 to 15 kt. Seas 3 to 6 ft. .WED...N winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 5 ft. .THU...NE winds 5 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds 5 to 15 kt. Seas 3 to 4 ft. Cape Hatteras to Murrells Inlet .TODAY...SW winds 10 to 20 kt. Seas 5 to 9 ft. Scattered showers. .TONIGHT...SW winds 15 to 25 kt. Seas 5 to 8 ft. Scattered showers and tstms. .MON...SW winds 15 to 25 kt. Seas 6 to 9 ft. Scattered showers and tstms. .MON NIGHT...SW winds 15 to 25 kt. Seas 5 to 9 ft. Scattered showers and tstms. .TUE...SW winds 10 to 20 kt. Seas 5 to 8 ft. .TUE NIGHT...NE winds 5 to 15 kt. Seas 3 to 6 ft. .WED...NE winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...E to NE winds 15 to 25 kt. Seas 3 to 6 ft. .THU...NE winds 15 to 25 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 4 to 7 ft.