904 FZNT27 KNHC 201521 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1121 AM EDT Fri Jul 20 2018 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...High pressure ridging will prevail along 25N through early next week. A surface trough extending from northeastern Florida to 29N87W and to near 27N92W will slide east of the gulf to over northeastern Florida by Sat night. Another surface trough will move into the NE gulf early next week. A surface trough will move off the Yucatan Peninsula into the Bay of Campeche each evening, accompanied by fresh nocturnal winds. Northwest Gulf of Mexico .THIS AFTERNOON...SW to W winds 5 to 10 kt. Seas 2 to 3 ft. Isolated showers and thunderstorms. .TONIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Isolated showers and thunderstorms. .SAT...SW winds 10 to 15 kt. Seas 2 to 4 ft. Isolated showers and thunderstorms. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 4 ft. Isolated showers and thunderstorms. .SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SW to W winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...W winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. North Central and Northeast Gulf of Mexico .THIS AFTERNOON...W winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers and thunderstorms. .TONIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers and thunderstorms. .SAT...W winds 10 to 15 kt. Seas 3 to 4 ft or less. Scattered showers and thunderstorms. .SAT NIGHT...SW to W winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and thunderstorms. .SUN...W winds 15 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 15 to 20 kt. Seas 4 to 6 ft. .MON...W winds 15 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...W winds 15 to 20 kt. Seas 3 to 5 ft. .TUE...SW to W winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 4 ft.