Offshore Forecast
Issued by NWS
Issued by NWS
763 FZNT25 KNHC 180821 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 421 AM EDT Tue Aug 18 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...A weak high pressure pattern will support mostly gentle to moderate winds across much of the basin. A diurnally induced surface trough will generate fresh to locally strong winds north and west 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. .TODAY...E to SE winds 5 to 10 kt, shifting to N in the afternoon. Seas 2 ft or less. .TONIGHT...NW to N winds 5 to 10 kt, shifting to W after midnight. Seas 2 ft or less. .WED...NW to N winds 5 to 10 kt. Seas 2 ft or less. .WED NIGHT...NW to N 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 winds 5 to 10 kt. Seas 2 ft or less. .FRI...NW winds 5 to 10 kt. Seas 2 ft or less. .FRI NIGHT...NW to N winds 5 to 10 kt, shifting to SE to S after midnight. Seas 2 ft or less. .SAT...S winds 5 to 10 kt, shifting to NW in the afternoon. Seas 2 ft or less. .SAT NIGHT...NW to N winds 5 to 10 kt, shifting to SE to S after midnight. Seas 2 ft or less. Within 200 nm east of the coast of Florida .SYNOPSIS...A cold front extending from 31N51W to 26N63W to 31N71W is producing scattered showers and isolated thunderstorms between Bermuda and Puerto Rico. The front will stall and weaken into a trough today into tonight. Fresh winds in the vicinity of the front will diminish today. Otherwise, a weak pressure gradient will support mainly light to gentle winds, locally moderate, across much of the area N of 22N through the week and into the weekend. Moderate to locally fresh easterly winds can be expected S of 22N. .TODAY...W to NW winds 5 to 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .TONIGHT...SW to W winds 5 to 10 kt. Seas 2 ft or less. .WED...NW winds 5 to 10 kt S of 27N, and W 5 to 10 kt N of 27N. Seas 2 ft or less. .WED NIGHT...S of 27N, W winds less than 5 kt, shifting to SE to S after midnight. N of 27N, S to SW winds 5 to 10 kt. Seas 2 ft or less. .THU...S to SW winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...SE to 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. Seas 2 ft or less. .SAT...S winds 5 to 10 kt. Seas 2 ft or less. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 ft or less.