000 FZNT27 KNHC 171530 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1030 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...A ridge will dominate the Gulf region this weekend producing mainly gentle to moderate winds over the western Gulf, and light to gentle winds over the eastern Gulf, with the exception of moderate winds over the SE waters and the Straits of Florida. Expect increasing winds and building seas by early next week as high pressure strengthens over the western Atlantic. 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 to 4 ft. Visibility 1 nautical mile or less within 20 nm of the coast through early afternoon. .TONIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. .SUN...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. .TUE...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft. .WED...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 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. Visibility 1 nautical mile or less within 20 nm of the coast through early afternoon. .TONIGHT...SW winds 5 to 10 kt. Seas 2 ft or less. .SUN...E to SE winds 5 to 10 kt. Seas 2 ft or less. .SUN NIGHT...SE winds 15 to 20 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 5 to 7 ft. .TUE...SE winds 15 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds 15 to 20 kt. Seas 5 to 7 ft. .WED...SE winds 15 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft.