000 FZNT27 KNHC 181506 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1006 AM EST Tue Dec 18 2018 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...A developing intense low pressure system will move E-NE from Texas to the Carolinas Wed through Thu night, dragging a strong cold front across the Gulf waters. Marine conditions are expected to rapidly deteriorate across the region Thu afternoon as the low pressure deepens. Gale force winds are likely north of 25N across the central and northern Gulf Thu night and Fri. Seas will build to a maximum of around 20 ft on Fri over the central Gulf. Northwest Gulf of Mexico ...GALE CONDITIONS POSSIBLE THU NIGHT... .TODAY...E to SE winds 10 to 15 kt. Seas 2 ft or less. .TONIGHT...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. Chance of showers. .WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers and isolated thunderstorms. .WED NIGHT...W to NW winds 15 to 20 kt. Seas 3 to 4 ft. Chance of showers and slight chance of thunderstorms. .THU...NW winds 20 to 30 kt. Seas 4 to 6 ft,building to 8 to 11 ft in NW swell in the afternoon. .THU NIGHT...NW winds 25 to 35 kt. Seas 10 to 17 ft in NW swell. .FRI...NW to N winds 20 to 30 kt, shifting to NW 15 to 20 kt in the afternoon. Seas 8 to 11 ft in NW to N swell. .FRI NIGHT...W to NW winds 10 to 15 kt, shifting to SW after midnight. Seas 4 to 6 ft. .SAT...S to SW winds 10 to 15 kt. Seas 3 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. North Central and Northeast Gulf of Mexico ...GALE CONDITIONS POSSIBLE THU NIGHT AND FRI... .TODAY...NE to E winds 5 to 10 kt. Seas 2 ft or less. .TONIGHT...E to SE winds 10 to 15 kt. Seas 2 ft or less. .WED...SE winds 15 to 20 kt. Seas 2 ft or less, building to 3 to 4 ft late in the afternoon. Scattered thunderstorms. .WED NIGHT...S winds 15 to 20 kt. Seas 4 to 6 ft. Numerous showers and scattered thunderstorms. .THU...SW to W winds 15 to 20 kt, becoming W 25 to 30 kt in the afternoon. Seas 6 to 8 ft. .THU NIGHT...W to NW winds 25 to 35 kt. Seas 11 to 16 ft in W swell. .FRI...W to NW winds 25 to 35 kt. Seas 13 to 20 ft in W swell. .FRI NIGHT...NW winds 20 to 25 kt. Seas 9 to 14 ft in W swell, becoming 6 to 9 ft after midnight. .SAT...NW to N winds 10 to 15 kt, shifting to W 5 to 10 kt in the afternoon. Seas 4 to 6 ft in W swell. .SAT NIGHT...S to SW winds 5 to 10 kt. Seas 3 ft.