000 FZNT27 KNHC 191513 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1113 AM EDT Wed Jul 19 2017 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...Weak high pressure will persist across the northern Gulf waters through Sun night. A thermal trough will develop over the Yucatan Peninsula each evening before pushing offshore into the SW Gulf each night. The trough will drift westward during the overnight hours, and dissipate over the SW Gulf each morning. Northwest Gulf of Mexico .THIS AFTERNOON...E to SE winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .TONIGHT...SE to S winds 5 to 10 kt. Seas 2 ft or less. .THU...SW winds 5 to 10 kt, shifting to E in the afternoon. Seas 2 ft or less. .THU NIGHT...SE to S winds 5 to 10 kt. Seas 2 ft or less. .FRI...SE to 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 10 to 15 kt. Seas 2 ft or less. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft late. .SUN...S winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. North Central and Northeast Gulf of Mexico .THIS AFTERNOON...NE winds less than 5 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .TONIGHT...SW to W winds 5 to 10 kt. Seas 2 ft or less. .THU...N winds less than 5 kt. Seas 2 ft or less. .THU NIGHT...SW to W winds 5 to 10 kt. Seas 2 ft or less. .FRI...NW winds less than 5 kt. Seas 2 ft or less. .FRI NIGHT...S to SW winds 5 to 10 kt. Seas 2 ft or less. .SAT...SW winds 5 kt. Seas 2 ft or less. .SAT NIGHT...S to SW winds 5 to 10 kt. Seas 2 ft or less. .SUN...S to SW winds 5 to 10 kt. Seas 2 ft or less. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 ft or less.