


Offshore Forecast
Issued by NWS
Issued by NWS
752 FZNT25 KWNM 182148 OFFN03 NAVTEX Marine Forecast for southeast U.S. waters NWS Ocean Prediction Center Washington DC 548 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...A weak stationary front across the area will dissipate today. Hurricane Erin will approach the region from the SE Tue and Tue night, then will be near 30.5N 73.7W by 2 PM EDT Wed, then move to 32.7N 73.0W by 2 AM EDT Thu, then to 34.8N 71.2W by 2 PM EDT Thu, then continue moving NE away from the waters 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...NE winds 5 to 15 kt. Seas 6 to 11 ft. Isolated tstms. .TUE...NE winds 10 to 20 kt. Seas 8 to 14 ft. Scattered showers and tstms. .TUE NIGHT...NE winds 20 to 30 kt. Seas 14 to 24 ft. Scattered showers and tstms. .WED...N winds 45 to 60 kt. Seas 23 to 37 ft. Showers and tstms. .WED NIGHT...NW winds 55 to 70 kt. Seas 19 to 34 ft. .THU...N to NW winds 25 to 35 kt. Seas 12 to 20 ft. .THU NIGHT...N to NE winds 10 to 20 kt. Seas 10 to 16 ft. .FRI...E to NE winds 5 to 15 kt. Seas 8 to 13 ft. .FRI NIGHT...E winds 5 to 15 kt. Seas 6 to 10 ft. .SAT...E winds 5 to 15 kt. Seas 6 to 9 ft. .SAT NIGHT...SE winds 5 to 15 kt. Seas 5 to 8 ft. South of 31N ...TROPICAL STORM WARNING... .TONIGHT...NE winds 5 to 15 kt. Seas 8 to 13 ft. Isolated tstms. .TUE...NE winds 10 to 20 kt. Seas 10 to 17 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 30 to 40 kt. Seas 18 to 25 ft. Showers and tstms. .WED NIGHT...NW winds 25 to 35 kt. Seas 14 to 22 ft. .THU...NW winds 10 to 20 kt. Seas 10 to 16 ft. .THU NIGHT...Variable winds less than 10 kt. Seas 8 to 13 ft. .FRI...E winds less than 10 kt. Seas 8 to 12 ft. .FRI NIGHT...E to SE winds less than 10 kt. Seas 7 to 11 ft. .SAT...E to SE winds 5 to 15 kt. Seas 6 to 9 ft. .SAT NIGHT...S to SE winds 5 to 15 kt. Seas 5 to 8 ft.