


Offshore Forecast
Issued by NWS
Issued by NWS
832 FZNT25 KWNM 190356 OFFN03 NAVTEX Marine Forecast for southeast U.S. waters NWS Ocean Prediction Center Washington DC 1156 PM EDT Mon Aug 18 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...Hurricane Erin will approach the region from the SE Tue and Tue night, then move N through the outer waters Wed into Wed night before moving NE away from the waters Thu through Sat. Long period SE to S swell from Erin will continue in the area Mon through Wed before slowly backing to E and NE Wed night through Fri night. A stationary front will form across the waters Fri and Fri night. For more information on Hurricane Erin, please closely monitor the latest forecasts from the National Hurricane Center. Murrells Inlet to 31N ...TROPICAL STORM WARNING... ...HURRICANE CONDITIONS POSSIBLE WED NIGHT... .TONIGHT...E to NE winds 5 to 15 kt. Seas 7 to 12 ft. Isolated showers and tstms. .TUE...NE winds 10 to 20 kt. Seas 9 to 15 ft. Scattered showers and tstms. .TUE NIGHT...NE winds 20 to 30 kt. Seas 14 to 24 ft. Scattered showers and tstms. .WED...N to NE winds 40 to 55 kt. Seas 27 to 42 ft. Showers and tstms with vsby 1 nm or less. .WED NIGHT...NW winds 50 to 65 kt. Seas 28 to 43 ft. .THU...NW winds 30 to 40 kt. Seas 15 to 26 ft. .THU NIGHT...N to NW winds 15 to 25 kt. Seas 11 to 18 ft. .FRI...E to NE winds 5 to 15 kt. Seas 9 to 14 ft. .FRI NIGHT...E winds 5 to 15 kt. Seas 8 to 12 ft. .SAT...E winds 5 to 15 kt. Seas 8 to 11 ft. .SAT NIGHT...SE winds 5 to 15 kt. Seas 7 to 10 ft. South of 31N ...TROPICAL STORM WARNING... .TONIGHT...E to NE winds 5 to 15 kt. Seas 8 to 13 ft. Isolated showers and tstms. .TUE...NE winds 10 to 20 kt. Seas 11 to 16 ft. Scattered showers and tstms. .TUE NIGHT...N to NE winds 20 to 30 kt. Seas 14 to 23 ft. Scattered showers and tstms. .WED...N winds 25 to 35 kt. Seas 22 to 32 ft. Showers and tstms. .WED NIGHT...NW winds 25 to 35 kt. Seas 17 to 29 ft. .THU...NW winds 15 to 25 kt. Seas 11 to 19 ft. .THU NIGHT...W winds less than 10 kt. Seas 8 to 13 ft. .FRI...E winds less than 10 kt. Seas 8 to 11 ft. .FRI NIGHT...E to SE winds 5 to 15 kt. Seas 7 to 11 ft. .SAT...SE winds 5 to 10 kt. Seas 6 to 9 ft. .SAT NIGHT...S winds less than 10 kt. Seas 5 to 8 ft.