635 FZNT27 KNHC 191505 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1105 AM EDT Sun Aug 19 2018 ...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 along the western Yucatan Peninsula during the late afternoons, then drift westward across the southwest Gulf waters during the overnight hours accompanied by a fresh east to southeast wind shift with the trough dissipating along 96W during the late mornings. Otherwise, an east to west ridge will extend across the gulf waters between 26N and 27N accompanied by gentle to moderate anticyclonic flow. Northwest Gulf of Mexico .THIS AFTERNOON...S to SW winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers and isolated thunderstorms. .TONIGHT...S winds 15 to 20 kt. Seas 3 to 5 ft. .MON...S winds 15 to 20 kt, diminishing to 5 to 10 kt. Seas 3 to 5 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 3 ft, subsiding to 2 ft or less. .TUE...S to SW winds 10 to 15 kt. Seas 2 ft or less. .TUE NIGHT...S to SW winds 5 to 10 kt. Seas 2 ft or less. .WED...SW to W winds 5 to 10 kt, shifting to NW to N in the afternoon. Seas 2 ft or less. .WED NIGHT...NE winds 5 to 10 kt. Seas 2 ft or less. .THU...N to NE winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...E winds 5 to 10 kt. Seas 2 ft or less. North Central and Northeast Gulf of Mexico .THIS AFTERNOON...S to SW winds 10 to 15 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .TONIGHT...S winds 10 to 15 kt. Seas 2 ft or less. .MON...S winds 5 to 10 kt. Seas 2 ft or less. .MON NIGHT...S to SW winds 5 to 10 kt. Seas 2 ft or less. .TUE...SW winds 10 to 15 kt. Seas 2 ft or less. .TUE NIGHT...W winds 10 to 15 kt. Seas 2 ft or less. .WED...W to NW winds 10 to 15 kt. Seas 2 ft or less. .WED NIGHT...NW winds 10 to 15 kt. Seas 2 ft or less. .THU...N winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...N winds 5 to 10 kt. Seas 2 ft or less.