000 FZNT25 KNHC 181546 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1146 AM EDT Fri Aug 18 2023 ...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 surface ridge over the Gulf waters will support mostly gentle to moderate winds and slight seas across the basin through Sat night. Looking ahead, a surface trough is expected to move across the Gulf from east to west Sun through early next week. The trough could form into a broad area of low pressure in the central or W Gulf by the beginning of next week. Some slow development of this system is possible thereafter as it moves westward and approaches the western Gulf of Mexico coastline by the middle of next week. .THIS AFTERNOON...S to SW winds less than 5 kt, shifting to NW to N in the afternoon. Seas 2 ft or less. Scattered showers and isolated tstms. .TONIGHT...NW to N winds 5 to 10 kt, shifting to NE to E after midnight. Seas 2 ft or less. .SAT...NE to E winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated tstms. .SAT NIGHT...NE to E winds 10 to 15 kt. Seas 2 ft or less. Scattered showers and isolated tstms. .SUN...E winds 15 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. .MON...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .TUE...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. Within 200 nm east of the coast of Florida .SYNOPSIS...Fresh to locally strong tradewinds will pulse off Hispaniola each evening into early next week. Fresh tradewinds south of 25N will persist through Sat. A strong tropical wave could enhance winds and seas near the Leeward and Virgin Islands over the weekend, and north of Puerto Rico early next week. .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers and isolated tstms. .TONIGHT...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers and isolated tstms. .SAT...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers and isolated tstms. .SAT NIGHT...E to SE winds 15 to 20 kt S of 27N, and E to SE 10 to 15 kt N of 27N. Seas 3 to 5 ft. Scattered showers and isolated tstms. .SUN...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .MON...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .TUE...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft.