000 FZNT25 KNHC 180903 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 503 AM EDT Fri May 18 2018 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... Southeast Gulf of Mexico .SYNOPSIS...A trough extending southwest from the western Florida Panhandle to the central gulf waters will dissipate today as a ridge builds westward across the Gulf waters. The ridge will persist during the upcoming weekend, and into early next week. Another surface trough is forecast to develop over the eastern Gulf Sat night into Sun. A thermal trough will also develop over the evening hours over the Yucatan peninsula before pushing offshore into the SW each night. A surge of moderate to fresh winds will be associated with this trough. .TODAY...SE to S winds 5 to 10 kt. Seas 2 ft or less. .TONIGHT...SE winds 5 to 10 kt. Seas 2 ft or less. .SAT...E to SE winds 10 to 15 kt. Seas 2 ft or less. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft late. .SUN...E to SE winds 10 to 15 kt. Seas 3 ft. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. Within 200 nm east of the coast of Florida .SYNOPSIS...A ridge, with axis across the N waters, will dominate the forecast area through early next week supporting fresh to locally strong winds across the tropical waters, including the approaches to the northern Caribbean Passages. .TODAY...SE winds 15 to 20 kt S of 27N, and SE to S 15 to 20 kt N of 27N. Seas 2 ft or less S of 27N, and 4 to 6 ft N of 27N. Scattered showers and isolated thunderstorms. .TONIGHT...SE winds 10 to 15 kt S of 27N, and SE 15 to 20 kt N of 27N. Seas 2 ft or less S of 27N, and 4 to 6 ft N of 27N. Scattered showers and isolated thunderstorms. .SAT...SE winds 15 to 20 kt. S of 27N, seas 2 ft or less, building to 3 ft. N of 27N, seas 5 to 7 ft. Scattered showers and isolated thunderstorms. .SAT NIGHT...SE winds 15 to 20 kt. Seas 3 ft S of 27N, and 5 to 7 ft N of 27N. .SUN...SE winds 15 to 20 kt. Seas 3 to 4 ft S of 27N, and 5 to 7 ft N of 27N. .SUN NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 4 ft S of 27N, and 5 to 7 ft N of 27N. .MON...E to SE winds 15 to 20 kt. Seas 3 to 4 ft S of 27N, and 5 to 7 ft N of 27N. .MON NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 4 ft S of 27N, and 4 to 6 ft N of 27N. .TUE...E to SE winds 15 to 20 kt. Seas 3 ft S of 27N, and 4 to 6 ft N of 27N. .TUE NIGHT...E to SE winds 15 to 20 kt. Seas 3 ft S of 27N, and 4 to 6 ft N of 27N.