


Offshore Forecast
Issued by NWS
Issued by NWS
971 FZNT25 KWNM 132120 OFFN03 NAVTEX Marine Forecast for southeast U.S. waters NWS Ocean Prediction Center Washington DC 520 PM EDT Wed Aug 13 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 just E of the area will drift S to the E of the area tonight into Fri night while maintaining a ridge across the region. A cold front will drift S over the area Fri into Sun night, then move just S of the area Mon. Long period southeasterly swells from Erin will begin to build across the region Mon. For more information on Tropical Storm Erin, please monitor the latest forecasts from the National Hurricane Center. Murrells Inlet to 31N .TONIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. Isolated showers and tstms. .THU...SW winds 10 to 20 kt. Seas 3 to 4 ft. Scattered showers and tstms. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft. Scattered showers and tstms. .FRI...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers and tstms. .FRI NIGHT...W to NW winds less than 10 kt. Seas 3 to 4 ft. .SAT...N to NE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .SUN...N to NE winds 10 to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 5 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 5 to 15 kt. Seas 4 to 7 ft. .MON NIGHT...NE winds 5 to 15 kt. Seas 5 to 8 ft. South of 31N .TONIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. Isolated showers and tstms. .THU...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Showers and tstms. .THU NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .FRI...SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers and tstms. .FRI NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. .SAT...W to NW winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...N to NE winds less than 10 kt. Seas 3 to 4 ft. .SUN...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .MON...NE winds 5 to 15 kt. Seas 3 to 6 ft. .MON NIGHT...NE winds 5 to 15 kt. Seas 5 to 7 ft.