000 FZNT27 KNHC 170845 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 345 AM EST Sat Feb 17 2018 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...Weak high pres will persist across the E Gulf through Sat, when a weak cold front will stall E to W across the northern and northwest waters, then retreat northwest on Sun night into Mon. Locally dense fog will linger north of 27N west of 91W through the morning. 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... .TODAY...S winds 10 to 15 kt. Seas 3 ft. Patchy dense fog. Slight chance of showers. .TONIGHT...SE winds 10 to 15 kt. Seas 3 ft. Patchy fog. Slight chance of showers. .SUN...SE winds 10 to 15 kt. Seas 3 ft. Slight chance of showers. .SUN NIGHT...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. .MON...SE to S winds 15 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. .TUE...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. .WED...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. North Central and Northeast Gulf of Mexico ...DENSE FOG ADVISORY... .TODAY...S to SW winds 10 to 15 kt. Seas 2 ft or less. Patchy fog. Slight chance of showers. .TONIGHT...SW winds 5 to 10 kt, shifting to SE to S late. Seas 2 ft or less. .SUN...E to SE winds 5 to 10 kt. Seas 2 ft or less. .SUN NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft late. .MON...SE winds 15 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. .TUE...SE winds 15 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 15 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft.