000 FZNT27 KNHC 210832 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 432 AM EDT Fri Jul 21 2017 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...A surface trough will develop over the Yucatan each evening, moving into the SW Gulf and dissipating each night. Otherwise, high pressure will dominate the basin through early next week. Northwest Gulf of Mexico .TODAY...W winds 5 to 10 kt, shifting to E to SE in the afternoon. Seas 2 ft or less. .TONIGHT...S winds 5 to 10 kt. Seas 2 ft or less. .SAT...S to SW winds 10 to 15 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft in the late evening. .SUN...S to SW winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...S winds 15 to 20 kt. Seas 3 to 5 ft. .MON...S winds 15 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. North Central and Northeast Gulf of Mexico .TODAY...W winds LESS THAN 5 kt, shifting to S in the afternoon. Seas 2 ft or less. .TONIGHT...S to SW winds 5 to 10 kt. Seas 2 ft or less. .SAT...S to SW winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 ft or less. .SUN...SW to W winds 5 to 10 kt. Seas 2 ft or less. .SUN NIGHT...SW to W winds 10 to 15 kt. Seas 2 ft or less. .MON...SW to W winds 5 to 10 kt. Seas 2 ft or less. .MON NIGHT...SW to W winds 10 to 15 kt. Seas 2 ft or less. .TUE...W winds 10 to 15 kt. Seas 2 ft or less. .TUE NIGHT...W winds 10 to 15 kt. Seas 2 ft or less.