000 FZNT27 KNHC 190230 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 930 PM EST Sun Feb 18 2018 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...A building ridge from the Atlantic will bring an increase in winds and seas across the Gulf waters on Mon. Expect fresh to locally strong SE to S winds and seas of up to 8 ft Mon through Wed. Fresh to strong winds and building seas are also expected in the Straits of Florida. A thermal trough will develop over the western Yucatan Peninsula during each afternoon, drift west across the eastern Bay of Campeche during the overnight hours, and then dissipate over the southwest Gulf waters by late each morning. Northwest Gulf of Mexico ...DENSE FOG ADVISORY... .TONIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft. Patchy fog. .MON...SE to S winds 15 to 20 kt. Seas 4 to 6 ft. Areas of dense fog. .MON NIGHT...SE winds 15 to 20 kt. Seas 5 to 7 ft. Patchy fog. .TUE...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. Slight chance of thunderstorms. .TUE NIGHT...SE winds 15 to 20 kt. Seas 5 to 7 ft. .WED...SE to S winds 15 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. North Central and Northeast Gulf of Mexico .TONIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. Patchy fog. .MON...SE winds 15 to 20 kt. Seas 3 to 5 ft. Slight chance of showers. .MON NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. Slight chance of showers. .TUE...SE winds 15 to 20 kt. Seas 5 to 7 ft. Chance of showers. .TUE NIGHT...SE winds 15 to 20 kt. Seas 5 to 7 ft. .WED...SE winds 15 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 15 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft.