896 FZNT25 KNHC 201539 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1139 AM EDT Thu Mar 20 2025 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... Southeast Gulf of America .SYNOPSIS...Fresh SW winds are expected this afternoon ahead of a cold front extending from the Florida Panhandle to 20N97W in eastern Mexico. Winds will turn to the NW and strengthen to strong speeds tonight into the wake of the front, with rough seas accompanying the winds. The front will exit the basin late tonight, and winds and seas are expected to diminish from northwest to southeast on Fri. High pressure will build over the basin Fri, supporting gentle to moderate winds in the eastern basin through this weekend. Looking ahead, the next cold front is slated to enter the northwestern basin early next week. .THIS AFTERNOON...SW to W winds 15 to 20 kt. Seas 2 ft or less. .TONIGHT...NW to N winds 20 to 25 kt. Seas 3 to 5 ft, building to 8 to 12 ft after midnight. .FRI...N to NE winds 20 kt, shifting to NE 10 to 15 kt in the afternoon. Seas 7 to 11 ft in NW swell. .FRI NIGHT...NE winds 5 to 10 kt. Seas 5 to 7 ft in NW swell. .SAT...E winds 5 to 10 kt. Seas 3 to 5 ft. .SAT NIGHT...NE to E winds 10 to 15 kt. Seas 2 ft or less. .SUN...E to SE winds 10 to 15 kt. Seas 2 ft or less. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less. Within 200 nm east of the coast of Florida .SYNOPSIS...Fresh to strong SW winds will occur this afternoon off the coast of Florida ahead of a cold front moving through the Gulf of America. The cold front is slated to move off the coast of the southeastern United States later today, supporting strong to near-gale force W to NW winds and rough seas in excess of 8 ft in its wake. The front will progress eastward on Fri, with winds diminishing from west to east across the region. Looking ahead, high pressure will build over the western Atlantic this weekend. .THIS AFTERNOON...S winds 5 to 10 kt S of 27N, and SW to W 15 to 25 kt N of 27N. Seas 4 to 6 ft in NE swell. .TONIGHT...W winds 15 to 20 kt S of 27N, and W 20 to 30 kt N of 27N. Seas 8 to 11 ft in W to NW swell. .FRI...NW to N winds 15 to 20 kt S of 27N, and NW 20 to 25 kt N of 27N. Seas 8 to 11 ft in NW to N swell. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft, subsiding to 3 to 5 ft after midnight. .SAT...E to SE winds 5 to 10 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 5 to 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .SUN...E to SE winds 10 to 15 kt. Seas 2 ft or less. .SUN NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. .MON...SE to S winds 10 to 15 kt. Seas 3 ft. .MON NIGHT...SE to S winds 10 to 15 kt. Seas 3 ft.