000 FZNT27 KNHC 202053 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 453 PM EDT Thu Jul 20 2017 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...Surface ridging will be the dominant feature across the Gulf with a center of high pressure intermittently forming and dissipating mainly in the north-central and northeast regions of the basin. Otherwise, a surface trough will be developing in 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 in the SW Gulf each morning. Fresh to strong winds are possible in the SW basin during the weekend and early next week at night associated with the trough. Northwest Gulf of Mexico .TONIGHT...SE to S winds 5 to 10 kt. Seas 2 ft or less. .FRI...SW winds 5 to 10 kt, shifting to SE in the afternoon. Seas 2 ft or less. .FRI NIGHT...SE to S winds 10 to 15 kt. Seas 2 ft or less. .SAT...S to SW 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 after midnight. .SUN...S winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...S winds 15 to 20 kt. Seas 3 to 5 ft. .MON...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...SE 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 .TONIGHT...SW winds LESS THAN 5 kt. Seas 2 ft or less. .FRI...S 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...S to SW winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .SAT NIGHT...SW winds 10 kt. Seas 2 ft or less. .SUN...SW to W winds 5 to 10 kt. Seas 2 ft or less. .SUN NIGHT...SW winds 10 to 15 kt. Seas 2 ft or less. .MON...SW to W winds 10 to 15 kt. Seas 2 ft or less. .MON NIGHT...SW winds 10 to 15 kt. Seas 2 ft or less. .TUE...SW to W winds 10 to 15 kt, shifting to NW 5 to 10 kt in the afternoon. Seas 2 ft or less. .TUE NIGHT...W winds 5 to 10 kt. Seas 2 ft or less.