891 FZNT27 KNHC 211431 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1031 AM EDT Tue Aug 21 2018 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...A weak E to W ridge will extend across the gulf waters along 26N-27N with a surface high developing along the ridge near 27N93W today, then meander over the northwest gulf through late Thu. A weak frontal trough will move SE into the NE and N central gulf waters Wed where it will stall along 26N-27N on Thu, and then drift W and dissipate on Fri. High pres will build SW across entire basin late Fri and Sat to produce light to moderate anticyclonic wind flow area wide. Northwest Gulf of Mexico .THIS AFTERNOON...SW winds 5 to 10 kt. Seas 2 ft or less. Chance of thunderstorms. .TONIGHT...S to SW winds 5 to 10 kt. Seas 2 ft or less. Chance of thunderstorms. .WED...NW winds 5 to 10 kt. Seas 2 ft or less. Chance of showers and isolated thunderstorms. .WED NIGHT...N to NE winds 5 to 10 kt, shifting to E late, then, shifting to S to SW late. Seas 2 ft or less. .THU...W to NW winds 5 to 10 kt, shifting to N to NE in the afternoon. Seas 2 ft or less. .THU NIGHT...E to SE 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 winds 10 to 15 kt. Seas 2 ft or less. .SAT...SE winds 10 to 15 kt. Seas 2 ft or less. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft late. North Central and Northeast Gulf of Mexico .THIS AFTERNOON...SW to W winds 10 to 15 kt. Seas 2 ft or less. Chance of showers and slight chance of thunderstorms. .TONIGHT...SW to W winds 10 to 15 kt. Seas 2 ft or less. Chance of thunderstorms. .WED...W to NW winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .WED NIGHT...NW winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .THU...N winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...NW to N winds 5 kt, shifting to NE less than 5 kt late. Seas 2 ft or less. .FRI...E to SE winds less than 5 kt. Seas 2 ft or less. .FRI NIGHT...SE winds 5 to 10 kt. Seas 2 ft or less. .SAT...E to SE winds 5 to 10 kt. Seas 2 ft or less. .SAT NIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less.