786 FZNT25 KNHC 190238 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1038 PM EDT Tue Sep 18 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...Weak high pressure extends across the northern Gulf, supporting light breezes and minimal seas. A trough over the northwest Caribbean will move across the Yucatan Channel through Wed, into the southwest Gulf Thu and Fri, then dissipate Sat. .OVERNIGHT...NE to E winds 10 to 15 kt. Seas 2 ft or less. Scattered showers. .WED...E winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .WED NIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less. Scattered showers. .THU...E winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .THU NIGHT...E winds 5 to 10 kt. Seas 2 ft or less. .FRI...E winds 5 to 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds 5 to 10 kt. Seas 2 ft or less. .SAT...E winds 10 kt. Seas 2 ft or less. .SAT NIGHT...E 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...E to SE winds 10 to 15 kt. Seas 2 ft or less. Within 200 nm east of the coast of Florida .SYNOPSIS...A surface trough reaching from roughly Bermuda to the southern Bahamas will shift slowly NW and weaken through early Wed as the central Atlantic ridge builds into the central Bahamas. Low pressure moving off the Carolinas will drag an attendant frontal trough across the waters north of 27N Thu and Fri. The low will move to near 31N67W Fri evening then drift W and slowly weaken Sat and Sun. .OVERNIGHT...SE to S winds 5 to 10 kt S of 27N, and S 10 to 15 kt N of 27N. Seas 3 ft. Slight chance of thunderstorms. .WED...SE to S winds 5 to 10 kt S of 27N, and SW 5 to 10 kt N of 27N. Seas 3 ft. Slight chance of thunderstorms. .WED NIGHT...SE to S winds 5 to 10 kt S of 27N, and S to SW 5 to 10 kt N of 27N. Seas 3 ft early in the evening, subsiding to 2 ft or less. Scattered showers and slight chance of thunderstorms. .THU...S of 27N,NE to E winds 5 to 10 kt. N of 27N,W to NW winds less than 5 kt, shifting to NE in the late morning and afternoon. Seas 2 ft or less. Chance of thunderstorms. .THU NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft. .FRI...NE to E winds 5 to 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. .SAT...E winds 5 to 10 kt. Seas 3 to 4 ft. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft.