546 FZNT27 KNHC 121509 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1109 AM EDT Wed Sep 12 2018 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...A surface trough over the southern Gulf will shift NW toward southern Texas through Sat. Low pres will develop along the trough. This low may develop into a tropical cyclone over the NW gulf later this week. Northwest Gulf of Mexico .THIS AFTERNOON...E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .TONIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers. .THU...E winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .THU NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers. .FRI...SE winds 15 to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds 15 to 20 kt. Seas 3 ft, subsiding to 2 ft or less. .SAT...SE winds 10 to 15 kt. Seas 2 ft or less. .SAT NIGHT...SE winds 5 to 10 kt, shifting to NE late. Seas 2 ft or less. .SUN...NW to N winds 5 to 10 kt. Seas 2 ft or less. .SUN NIGHT...NW winds 5 to 10 kt. Seas 2 ft or less. North Central and Northeast Gulf of Mexico .THIS AFTERNOON...E winds 15 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E to SE winds 10 to 15 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. Scattered showers. .THU NIGHT...NE to 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...NW to N winds 5 to 10 kt. Seas 2 ft or less. .SAT...NW to N winds 5 to 10 kt. Seas 2 ft or less. .SAT NIGHT...NW winds 10 to 15 kt. Seas 2 ft or less. .SUN...NW to N winds 10 to 15 kt. Seas 2 ft or less. .SUN NIGHT...W to NW winds 5 to 10 kt. Seas 2 ft or less.