110 FZNT27 KNHC 210805 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 405 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 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. An east to west ridge will extend across the gulf waters between 26N and 27N with a surface high developing along the ridge near 27N93W today. The high will meander over the northwest gulf through late Thu, as a weak trough moves southeast into the northeastern gulf waters where it will stall on Thu, and then drift west and dissipate on Fri, with anticyclonic flow across the gulf waters late in the week. Northwest Gulf of Mexico .TODAY...SW winds 10 to 15 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .TONIGHT...S to SW winds 5 to 10 kt. Seas 2 ft or less. .WED...NW winds 5 to 10 kt. Seas 2 ft or less. .WED NIGHT...NW winds 5 to 10 kt, shifting to SW in the late evening and overnight. Seas 2 ft or less. .THU...W winds 5 to 10 kt, shifting to N in the afternoon. Seas 2 ft or less. .THU NIGHT...NE to E winds 5 to 10 kt, shifting to SE after midnight. 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. North Central and Northeast Gulf of Mexico .TODAY...SW to W winds 5 to 10 kt. Seas 2 ft or less. .TONIGHT...SW to W winds 10 to 15 kt. Seas 2 ft or less. .WED...W to NW winds 5 to 10 kt. Seas 2 ft or less. .WED NIGHT...NW winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .THU...NW to N winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...NW to N winds less than 5 kt, shifting to SE after midnight. 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.