FZNT27 KNHC 210844 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 444 AM EDT Mon Sep 21 2026 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...Weak surface ridging across the southeastern U.S. will maintain generally gentle to moderate winds across the basin through midweek. A vigorous upper-level low and associated surface trough over the southern Gulf will contribute to scattered showers and thunderstorms over the eastern Gulf through midweek, with the Straits of Florida the most active area. A cold front may sink into the northern Gulf Thu night through Fri, leading to a modest increase in winds across the basin. Northwest Gulf of America .TODAY...E winds 5 to 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .TONIGHT...E winds 5 to 10 kt. Seas 2 ft or less. .TUE...NE to E winds 5 to 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. Scattered showers and isolated tstms. .WED...NE to E winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. North Central and Northeast Gulf of America .TODAY...NE to E winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated tstms. .TONIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated tstms. .TUE...NE to E winds 5 to 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds 5 to 10 kt. Seas 2 ft or less. .WED...NE to E winds 5 to 10 kt. Seas 2 ft or less. .WED NIGHT...NE to E winds 5 to 10 kt. Seas 2 ft or less. .THU...NE to E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .THU NIGHT...NE to E winds 15 kt. Seas 3 to 4 ft. .FRI...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.