000 FZNT25 KNHC 200912 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 512 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... Southeast Gulf of Mexico .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. .TODAY...E to SE winds 15 to 20 kt. Seas 3 to 4 ft. .TONIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .MON...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .MON NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 4 ft. .TUE...SE winds 15 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft. .WED...SE winds 15 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 3 to 4 ft. Within 200 nm east of the coast of Florida .SYNOPSIS...An east to west ridge will meander across the northern waters through the middle of the week. The ridge will support fresh to locally strong E-SE winds mainly S of 25N-26N, including the Old Bahama Channel, and the approaches to the Windward Passage. .TODAY...SE winds 15 to 20 kt. Seas 3 to 4 ft S of 27N, and 5 to 7 ft N of 27N. .TONIGHT...E to SE winds 15 to 20 kt. Seas 3 to 4 ft S of 27N, and 5 to 7 ft N of 27N. .MON...E to SE winds 15 to 20 kt. Seas 3 to 5 ft S of 27N, and 5 to 7 ft N of 27N. .MON NIGHT...SE winds 15 to 20 kt. Seas 3 to 4 ft S of 27N, and 5 to 7 ft N of 27N. .TUE...SE winds 15 to 20 kt. Seas 3 to 4 ft S of 27N, and 5 to 7 ft N of 27N. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 ft S of 27N, and 4 to 6 ft N of 27N. .WED...SE winds 10 to 15 kt. Seas 2 ft or less S of 27N, and 3 to 5 ft N of 27N. .WED NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less S of 27N, and 3 to 5 ft N of 27N. .THU...SE winds 10 to 15 kt. Seas 2 ft or less S of 27N, and 3 to 5 ft N of 27N. .THU NIGHT...E to SE winds 10 to 15 kt. S of 27N, seas 2 ft or less, building to 3 ft late. N of 27N, seas 3 to 5 ft.