000 FZNT27 KNHC 210241 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1041 PM EDT Sun May 20 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 remain over the northern Gulf Coast through Thu night. A surface trough will drift westward from the Florida Straits to the central Gulf by Tue. A trough will develop by evening each day over the Yucatan Peninsula, then move W over the SW waters and dissipate by mid morning. An area of low pressure moving N from the NW Caribbean Sea could cause winds and seas to gradually increase over the SE Gulf waters and Straits of Florida late Thu through Fri night. Northwest Gulf of Mexico .OVERNIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E to SE winds 5 to 10 kt. Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 2 ft or less. .WED...E to SE winds 5 to 10 kt. Seas 2 ft or less. .WED NIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less. .THU...NE to E winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...E winds 5 to 10 kt. Seas 2 ft or less. .FRI...NE winds 5 to 10 kt, shifting to NW to N in the afternoon. Seas 2 ft or less. .FRI NIGHT...N winds 5 to 10 kt, shifting to S late. Seas 2 ft or less, building to 3 ft late. North Central and Northeast Gulf of Mexico .OVERNIGHT...E winds 10 to 15 kt. Seas 3 ft. .MON...E winds 10 to 15 kt. Seas 3 ft. .MON NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft. .TUE...E to SE winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...SE winds 5 to 10 kt. Seas 3 ft. .WED...E to SE winds 5 to 10 kt. Seas 3 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas 3 ft. .THU...E to SE winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...SE winds 5 to 10 kt. Seas 2 ft or less. .FRI...SE winds 5 to 10 kt. Seas 2 ft or less. .FRI NIGHT...SE winds 5 to 10 kt. Seas 2 ft or less, building to 3 ft late.