FZNT25 KWNM 202123 OFFN03 NAVTEX Marine Forecast for southeast U.S. waters NWS Ocean Prediction Center Washington DC 523 PM EDT Sun Sep 20 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 stationary front will prevail near or just N of the area. A high pressure ridge will extend W across the region tonight, then shift NE Mon and Mon night. A low pressure trough will develop off the SE coast Mon, then persist Tue and Tue night as strong high pressure builds well to the N of the area. A ridge extending S and SW from the strong high will build S over the Mid-Atlantic and SE states Wed and Wed night as low pressure forms to the E and N of the area. The strengthening low will slowly move N or NE while remaining N and NE of the area through Fri night. Murrells Inlet to 31N ...GALE FORCE WINDS POSSIBLE THU... .TONIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. Chance of showers and tstms. .MON...E winds less than 10 kt. Seas 3 to 4 ft. Scattered showers and tstms. .MON NIGHT...S to SE winds 5 to 15 kt. Seas 3 to 4 ft. Showers and scattered tstms. .TUE...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. Showers and tstms. .TUE NIGHT...Variable winds 5 to 15 kt. Seas 3 to 4 ft. .WED...NE winds 15 to 25 kt. Seas 3 to 6 ft. .WED NIGHT...N to NE winds 20 to 30 kt. Seas 6 to 11 ft. .THU...N winds 25 to 35 kt. Seas 11 to 18 ft. .THU NIGHT...N winds 20 to 30 kt. Seas 15 to 22 ft. .FRI...N winds 15 to 25 kt. Seas 14 to 21 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 11 to 17 ft. South of 31N .TONIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. Tstms and scattered showers. .MON...E winds less than 10 kt. Seas 3 to 4 ft. Scattered showers and tstms. .MON NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. Scattered showers and tstms. .TUE...Variable winds less than 10 kt. Seas 3 to 4 ft. Showers and tstms. .TUE NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .WED...NE winds 5 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...N winds 20 to 30 kt. Seas 5 to 9 ft. .THU NIGHT...N to NE winds 20 to 30 kt. Seas 7 to 11 ft. .FRI...N winds 20 to 30 kt. Seas 8 to 12 ft. .FRI NIGHT...N to NE winds 15 to 25 kt. Seas 8 to 12 ft.