000 FZNT27 KNHC 200911 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 511 AM 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 persist over the western Gulf through at least Tue while a surface trough will drift westward across the eastern Gulf. A thermal trough will develop during the evening hours in the Yucatan Peninsula, then move west across the southwest waters during the overnight hours, and dissipate by late each morning. An area of low pressure is forecast to develop in the NW Caribbean Sea on Thursday. Easterly winds are expected to gradually increase across the southeast Gulf waters and the Straits of Florida late Thu into Fri. Northwest Gulf of Mexico .TODAY...SE winds 15 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E to 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...E to 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. .TUE NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft, subsiding to 2 ft or less. .WED...E to SE winds 10 to 15 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...NE winds 5 to 10 kt, shifting to SE late. Seas 2 ft or less. North Central and Northeast Gulf of Mexico .TODAY...E winds 10 to 15 kt. Seas 2 ft or less. .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft late. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft. .TUE...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 winds 5 to 10 kt. Seas 3 ft. .THU NIGHT...E to SE winds 5 to 10 kt. Seas 3 ft, subsiding to 2 ft or less.