FZNT25 KWNM 210856 OFFN03 NAVTEX Marine Forecast for southeast U.S. waters NWS Ocean Prediction Center Washington DC 456 AM EDT Fri Aug 21 2026 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 series of low pressure troughs move across the waters today through Sun. A cold front approaches from the NW late Sun and Sun night, stalling N of the area Mon through Tue night. Murrells Inlet to 31N .TODAY...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .TONIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. Chance of showers and tstms. .SAT...SW winds 10 to 20 kt. Seas 3 to 4 ft. Chance of showers and tstms. .SAT NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. Scattered showers and chance of tstms. .SUN...SW winds 10 to 20 kt. Seas 3 to 6 ft. .SUN NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 6 ft. .MON...S to SE winds 5 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .TUE...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. South of 31N .TODAY...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .TONIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .SAT...SW winds 5 to 15 kt. Seas 3 to 4 ft. Chance of showers and tstms. .SAT NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...SW winds 5 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .MON...S to SE winds 5 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .TUE...S to SE winds 5 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft.