


Offshore Forecast
Issued by NWS
Issued by NWS
761 FZNT24 KWNM 170837 OFFN02 NAVTEX Marine Forecast for Mid-Atlantic states waters NWS Ocean Prediction Center Washington DC 437 AM EDT Sun Aug 17 2025 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...High pressure across the N waters will slowly move SE today and tonight, then weaken Mon. Low pressure across the S and central waters will slowly move SE today through Mon while slowly pulling a cold front across far SE portions. Another weakening cold front will move S over the northern waters late Mon and Mon night, before another high builds just N of the waters Tue and Tue night. The high will shift NE of the area Wed and Wed night. Hurricane Erin, currently well SE of the waters, will approach the region from the SE and S Tue and Tue night, track N and NE over the far outer central waters Wed and Wed night, then turn more NE while passing just E of the area Thu and Thu night. Long period SE to S swell from Erin will move into the S waters tonight, expand across the remainder of the area Mon through Tue, and continue through Thu night while backing to the E and NE. For more information on Hurricane Erin, please closely monitor the latest forecasts from the National Hurricane Center. Sandy Hook to 37.5N ...TROPICAL STORM CONDITIONS POSSIBLE THU... .TODAY...S winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. Chance of showers and tstms. .MON...NE winds 20 to 30 kt. Seas 5 to 9 ft. Chance of showers and slight chance of tstms. .MON NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. Chance of rain. .TUE...E winds 10 to 20 kt. Seas 7 to 11 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 8 to 12 ft. .WED...NE winds 10 to 20 kt. Seas 9 to 16 ft. .WED NIGHT...NE winds 20 to 30 kt. Seas 15 to 24 ft. .THU...Tropical storm conditions possible. .THU NIGHT...N to NE winds 20 to 30 kt. Seas 12 to 20 ft. 37.5N to Cape Hatteras ...HURRICANE CONDITIONS POSSIBLE WED NIGHT... .TODAY...NE winds 10 to 20 kt. Seas 5 to 7 ft. Scattered showers and tstms. .TONIGHT...NE winds 5 to 15 kt. Seas 4 to 6 ft. Scattered showers and tstms. .MON...NE winds 5 to 15 kt. Seas 5 to 8 ft. Scattered showers and tstms. .MON NIGHT...E to NE winds 5 to 15 kt. Seas 6 to 10 ft. .TUE...E to NE winds 10 to 20 kt. Seas 8 to 12 ft. .TUE NIGHT...E to NE winds 10 to 20 kt. Seas 10 to 17 ft. .WED...NE winds 20 to 30 kt. Seas 14 to 26 ft. .WED NIGHT...Hurricane conditions possible. .THU...Tropical storm conditions possible. .THU NIGHT...N to NE winds 15 to 25 kt. Seas 10 to 17 ft. Cape Hatteras to Murrells Inlet ...HURRICANE CONDITIONS POSSIBLE WED NIGHT... .TODAY...N winds 10 to 20 kt. Seas 5 to 7 ft. Scattered showers and tstms. .TONIGHT...N winds 5 to 15 kt. Seas 4 to 7 ft. Scattered showers and tstms. .MON...NE winds 5 to 15 kt. Seas 5 to 8 ft. Scattered showers and tstms. .MON NIGHT...NE winds 10 to 20 kt. Seas 7 to 11 ft. Chance of showers and slight chance of tstms. .TUE...NE winds 10 to 20 kt. Seas 9 to 15 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 13 to 21 ft. .WED...Tropical storm conditions possible. .WED NIGHT...Hurricane conditions possible. .THU...Tropical storm conditions possible. .THU NIGHT...N winds 15 to 25 kt. Seas 8 to 14 ft.