000 FZNT27 KNHC 182113 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 513 PM 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... .SYNOPSIS...A surface ridge over the Gulf waters will support mostly gentle to locally 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. Northwest Gulf of Mexico .TONIGHT...SE to S winds 5 to 10 kt. Seas 2 ft or less. .SAT...SW winds 5 to 10 kt, shifting to N in the afternoon. Seas 2 ft or less. .SAT NIGHT...SE winds 5 to 10 kt. Seas 2 ft or less. .SUN...NW winds less than 5 kt, shifting to NE in the afternoon. Seas 2 ft or less. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. .MON...NE to E winds 20 to 25 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft. .TUE...E to SE winds 20 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 5 to 10 kt, shifting to S after midnight. Seas 3 to 5 ft. North Central and Northeast Gulf of Mexico .TONIGHT...SW winds 5 to 10 kt. Seas 2 ft or less. .SAT...N winds 5 to 10 kt. Seas 2 ft or less. .SAT NIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less. .SUN...NE to E winds 10 to 15 kt. Seas 2 ft or less. Scattered showers and isolated tstms. .SUN NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .MON...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E to SE winds 5 to 10 kt, shifting to N to NE after midnight. Seas 3 to 5 ft. .WED...NE to E winds 5 to 10 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft in the evening, subsiding to 2 ft or less.