FZNT25 KNHC 161923 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 323 PM EDT Sun Aug 16 2026 ...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...High pressure will prevail across the Gulf waters through the week. A weak pressure gradient will support mostly gentle to moderate winds across much of the basin. A diurnally induced surface trough will generate fresh to occasionally strong winds N of the Yucatan peninsula early each evening. These winds will spread westward away from the Yucatan at night as the trough migrates into the SW Gulf. Slight to moderate seas are expected through the forecast period. .TONIGHT...NE to E winds 10 to 15 kt. Seas 3 ft. .MON...NE to E winds 10 to 15 kt. Seas 3 ft. .MON NIGHT...N to NE winds 5 to 10 kt. Seas 2 ft or less. .TUE...N winds 5 to 10 kt. Seas 2 ft or less. .TUE NIGHT...NW to N winds 5 to 10 kt. Seas 2 ft or less. .WED...NW winds 5 to 10 kt. Seas 2 ft or less. .WED NIGHT...NW winds 5 to 10 kt. Seas 2 ft or less. .THU...NW winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...NW to N winds 5 kt, shifting to SW to W less than 5 kt late. Seas 2 ft or less. .FRI...W to NW winds 5 to 10 kt. Seas 2 ft or less. .FRI NIGHT...W to NW winds 5 to 10 kt, shifting to SW late. Seas 2 ft or less. Within 200 nm east of the coast of Florida .SYNOPSIS...The pressure gradient between a ridge along 28N and a tropical wave moving through the central Caribbean Sea will support fresh to locally strong NE to E winds south of 22N through tonight. A cold front will move into the northern waters east of 70W late today. The front will move across the northern forecast waters on Mon then weaken into a trough by Tue. Fresh to strong SW to W winds are expected ahead of the front and E of 70W today and tonight. .TONIGHT...E winds 10 to 15 kt S of 27N, and S to SW 5 to 10 kt N of 27N. Seas 2 ft or less. .MON...SW winds 5 to 10 kt. Seas 2 ft or less. .MON NIGHT...SE winds 5 to 10 kt S of 27N, and SW to W 10 to 15 kt N of 27N. Seas 2 ft or less S of 27N, and 3 ft N of 27N. .TUE...W winds 5 to 10 kt. Seas 2 ft or less S of 27N, and 3 ft N of 27N. .TUE NIGHT...SW to W winds 5 to 10 kt. S of 27N, seas 2 ft or less. N of 27N, seas 3 ft, subsiding to 2 ft or less. .WED...SW winds less than 5 kt. Seas 2 ft or less. .WED NIGHT...S winds 5 to 10 kt. Seas 2 ft or less. .THU...S winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...S winds 5 to 10 kt. Seas 2 ft or less. .FRI...S winds 5 to 10 kt. Seas 2 ft or less. .FRI NIGHT...SE to S winds 10 to 15 kt. S of 27N, seas 2 ft or less. N of 27N, seas 2 ft or less, building to 3 ft late.