


Offshore Forecast
Issued by NWS
Issued by NWS
576 FZNT24 KWNM 172059 OFFN02 NAVTEX Marine Forecast for Mid-Atlantic states waters NWS Ocean Prediction Center Washington DC 459 PM 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...Low pressure across the S and central waters will slowly move NE tonight into 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, then shifts 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 S Wed and Wed night, then turn more NE while passing over the outer central waters Thu and Thu night. Erin will move over the far NE waters early Fri and then pass E of the area Fri 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 night, and continue through Fri 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 WED NIGHT... .TONIGHT...N to NE winds 15 to 25 kt. Seas 3 to 5 ft. Chance of tstms. .MON...E to 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. Scattered showers and tstms. .TUE NIGHT...E winds 10 to 20 kt. Seas 8 to 12 ft. .WED...E to NE winds 15 to 25 kt. Seas 10 to 18 ft. .WED NIGHT...E to NE winds 25 to 35 kt. Seas 17 to 26 ft. .THU...Tropical storm conditions possible. .THU NIGHT...N to NE winds 20 to 30 kt. Seas 13 to 21 ft. .FRI...NE winds 10 to 20 kt. Seas 9 to 15 ft. .FRI NIGHT...S to SE winds 5 to 15 kt. Seas 6 to 10 ft. 37.5N to Cape Hatteras ...HURRICANE CONDITIONS POSSIBLE WED NIGHT... .TONIGHT...N to NE winds 5 to 15 kt. Seas 3 to 6 ft. Scattered showers and tstms. .MON...NE winds 5 to 15 kt. Seas 5 to 7 ft. Scattered showers and tstms. .MON NIGHT...E to NE winds 10 to 20 kt. Seas 6 to 10 ft. .TUE...E winds 10 to 20 kt. Seas 8 to 12 ft. Scattered showers and tstms. .TUE NIGHT...E to NE winds 10 to 20 kt. Seas 10 to 16 ft. .WED...E to NE winds 30 to 40 kt. Seas 16 to 30 ft. .WED NIGHT...N to NE winds 70 to 90 kt. Seas 24 to 34 ft. .THU...Hurricane conditions possible. .THU NIGHT...N winds 20 to 30 kt. Seas 12 to 20 ft. .FRI...NE winds 10 to 20 kt. Seas 8 to 14 ft. .FRI NIGHT...E winds 5 to 15 kt. Seas 6 to 11 ft. Cape Hatteras to Murrells Inlet ...HURRICANE CONDITIONS POSSIBLE WED... .TONIGHT...N winds 5 to 15 kt. Seas 3 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...NE winds 5 to 15 kt. Seas 7 to 12 ft. Chance of showers and slight chance of tstms. .TUE...E to NE winds 10 to 20 kt. Seas 9 to 15 ft. Scattered showers and tstms. .TUE NIGHT...E to NE winds 20 to 30 kt. Seas 14 to 23 ft. .WED...N to NE winds 55 to 70 kt. Seas 23 to 34 ft. .WED NIGHT...N winds 75 to 90 kt. Seas 24 to 35 ft. .THU...Hurricane conditions possible. .THU NIGHT...N winds 15 to 25 kt. Seas 10 to 16 ft. .FRI...NE winds 5 to 15 kt. Seas 8 to 12 ft. .FRI NIGHT...E winds 5 to 15 kt. Seas 6 to 10 ft.