FZNT25 KWNM 192029 OFFN03 NAVTEX Marine Forecast for southeast U.S. waters NWS Ocean Prediction Center Washington DC 429 PM EDT Wed Aug 19 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 low pressure trough will continue just inland along the SE coast tonight through Mon night. A high pressure ridge well S of the area will drift N towards the region tonight into Sun night, then move N over the waters Mon and Mon night. A weak cold front will approach from the N tonight, stall N of the area into Thu, and then lift slowly back to the N as a warm front Thu night into Fri night. Another cold front will approach from the NW Sun and Sun night, then stall just N of the waters Mon and Mon night. Murrells Inlet to 31N .TONIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered tstms. .THU...S to SW winds less than 10 kt. Seas 3 to 4 ft. Scattered showers and tstms. .THU NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered tstms and showers. .FRI...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered tstms and showers. .FRI NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 4 ft. .SAT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 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...SW 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. South of 31N .TONIGHT...W to SW winds less than 10 kt. Seas 3 to 4 ft. Isolated tstms. .THU...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Isolated tstms. .THU NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Isolated tstms. .FRI...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Isolated tstms. .FRI NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 4 ft. .SAT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...SW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...S to SW winds 5 to 10 kt. Seas 3 to 4 ft.