


Offshore Forecast
Issued by NWS
Issued by NWS
311 FZNT25 KNHC 200926 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 526 AM EDT Sun Jul 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...Relatively weak high pressure will prevail across the basin through the middle of the next week producing gentle to moderate winds along with slight to moderate seas. Fresh to locally strong northeast to east winds will pulse along the Yucatan Peninsula each afternoon and evening well into the upcoming week as a trough develops inland daily and shifts westward over the Bay of Campeche at night. Looking ahead, winds may increase to fresh speeds across the NE Gulf by Thu as broad low pressure moves across the southeastern U.S. before possibly moving from E to W across the northern Gulf. Widespread showers and thunderstorms are expected over most of the eastern and north- central Gulf waters starting Tue. .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. Isolated showers and thunderstorms. .TONIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. Isolated showers and thunderstorms. .MON...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers and isolated thunderstorms. .MON NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. Isolated showers and thunderstorms. .TUE...E winds 10 kt in the morning, becoming variable less than 5 kt. Seas 2 to 4 ft. .TUE NIGHT...S of 24N, NE to E winds 10 kt. N of 24N, N winds 10 kt in the evening, becoming variable less than 5 kt. Seas 2 to 4 ft. .WED...Variable winds less than 5 kt. Seas 2 to 3 ft in SE to S swell. .WED NIGHT...S of 24N, E winds 10 kt, shifting to SE late. N of 24N, variable winds less than 5 kt, becoming S 10 kt late. Seas 2 to 4 ft. .THU...E to SE winds 10 kt. Seas 3 to 4 ft. .THU NIGHT...E to SE winds 10 kt. Seas 3 to 4 ft. Within 200 nm east of the coast of Florida .SYNOPSIS...A ridge will dominate the weather pattern across the forecast region through the early part of the upcoming week. A gentle to moderate anticyclonic flow will prevail along with moderate seas. Fresh to locally strong winds and moderate seas are expected to begin again in the Windward Passage starting Tue night and continue through late in the week. Winds will diminish slightly into Tue evening as high pressure weakens over the western Atlantic, and a frontal boundary moves to over the offshore waters of northeastern Florida. This front will then stall, with low pressure possibly forming along it. .TODAY...E winds 10 to 15 kt S of 27N, and S 5 to 10 kt N of 27N. Seas 3 to 4 ft S of 27N, and 2 to 3 ft N of 27N. .SUN NIGHT...E winds 10 to 15 kt S of 27N, and SE to S 10 to 15 kt N of 27N. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms N of 29N. .MON...E to SE winds 5 to 10 kt S of 27N, and SW 10 to 15 kt N of 27N. Seas 3 to 5 ft. Scattered showers and thunderstorms. .MON NIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and thunderstorms. .TUE...S winds 5 to 10 kt. Seas 2 to 4 ft. .TUE NIGHT...SE to S winds 5 to 10 kt. Seas 2 to 4 ft. .WED...SE to S winds 5 to 10 kt. Seas 2 to 4 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.