000 FZNT27 KNHC 151416 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 916 AM EST Thu Feb 15 2018 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...Moderate east to southeast return flow expected across most of the Gulf waters through Sat. Locally dense fog across the northern waters will dissipate by late morning then develop again tonight. A weak cold front will stall east to west across the northern and northwest waters on Sat, then retreat northwest on Sun night into Mon. A thermal trough will develop over the western Yucatan Peninsula during the afternoons, drift west across the eastern Bay of Campeche during the overnight hours, and dissipate over the southwest waters by late each morning. Northwest Gulf of Mexico ...DENSE FOG ADVISORY... .TODAY...S winds 10 to 15 kt. Seas 3 to 4 ft. Areas of dense fog. VSBY 1 NM or less. .TONIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...S winds 10 to 15 kt. Seas 3 to 5 ft. Areas of fog. VSBY 1 NM or less. .FRI NIGHT...SE to S winds 5 to 10 kt. Seas 3 to 4 ft. .SAT...S winds 10 to 15 kt. Seas 3 ft. .SAT NIGHT...SE winds 5 to 10 kt. Seas 3 ft. .SUN...E to SE winds 10 to 15 kt. Seas 3 ft. .SUN NIGHT...SE 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 4 to 6 ft. North Central and Northeast Gulf of Mexico ...DENSE FOG ADVISORY... .TODAY...SE to S winds 10 to 15 kt. Seas 3 ft. Areas of dense fog. VSBY 1 NM or less. .TONIGHT...S winds 5 to 10 kt. Seas 3 ft until early morning, subsiding to 2 ft or less. .FRI...SW winds 5 to 10 kt. Seas 2 ft or less. Areas of fog. VSBY 1 NM or less. .FRI NIGHT...S winds 5 to 10 kt. Seas 2 ft or less. .SAT...S winds 5 to 10 kt. Seas 2 ft or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 ft or less. .SUN...E 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 after midnight. .MON...SE winds 15 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft.