000 FZNT27 KNHC 292045 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 445 PM EDT Fri Sep 29 2017 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...A broad trough across the SE Gulf waters will shift W overnight with a surface low developing near 27N83W. This low, or possible tropical cyclone will reach near 27N84W on Sat, near 27N87W on Sat night, near 28N90W on Sun and near 29N95W on Mon. Strong to near gale force E winds and scattered TSTMS expected N and E of the low. A thermal trough will develop each evening over the NW Yucatan Peninsula, move W overnight, and merge into a broad area of persistent low pressure over the SW Gulf waters supporting strong to near gale force NW flow across the waters within 60 nm of the coast of Mexico between 94W and 98W. Northwest Gulf of Mexico .TONIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. Chance of showers and slight chance of thunderstorms. .SUN NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .MON...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .TUE...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 20 to 25 kt. Seas 6 to 8 ft. .WED...E winds 20 to 25 kt. Seas 6 to 9 ft. .WED NIGHT...NE to E winds 20 to 25 kt. Seas 7 to 10 ft. North Central and Northeast Gulf of Mexico .TONIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .SAT...NE to E winds 10 to 15 kt. Seas 2 ft or less. Slight chance of thunderstorms. .SAT NIGHT...NE to E winds 20 to 25 kt. Seas 4 to 6 ft. Chance of thunderstorms. .SUN...E to SE winds 20 to 30 kt. Seas 6 to 9 ft. Chance of thunderstorms. .SUN NIGHT...E winds 20 to 25 kt. Seas 6 to 9 ft. .MON...E winds 20 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 20 to 25 kt. Seas 6 to 9 ft. .TUE...E winds 20 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...NE to E winds 20 to 25 kt. Seas 7 to 10 ft in N swell. .WED...NE to E winds 20 to 25 kt. Seas 7 to 10 ft in N swell. .WED NIGHT...NE to E winds 20 to 25 kt. Seas 7 to 10 ft in N swell.