000 FZNT27 KNHC 121600 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1200 PM EDT Tue Sep 12 2017 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...Post-Tropical Cyclone Irma over northern Alabama will continue to track N NW and further inland through Thursday. A moderate W to NW flow over the northern waters will become a gentle S to SW flow on Wednesday. A weak pressure pattern will set up across the Gulf in the wake of Irma through the remainder of the week. Northerly swell over the NE and N Central waters will gradually subside through this evening. Northwest Gulf of Mexico .THIS AFTERNOON...NW winds 5 to 10 kt. Seas 3 to 5 ft in NW swell, except 4 to 6 ft W of 90W. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt. Seas 2 ft or less. .WED NIGHT...S winds 10 to 15 kt. Seas 2 ft or less. .THU...S winds 10 to 15 kt. Seas 2 ft or less. .THU NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. .FRI...SE winds 10 to 15 kt. Seas 2 ft or less. .FRI NIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less. .SAT...SE 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. North Central and Northeast Gulf of Mexico .THIS AFTERNOON...W winds 10 to 15 kt. Seas 4 to 6 ft, except 5 to 7 ft E of 87W. .TONIGHT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft until early morning, subsiding to 2 ft or less. Scattered showers and isolated thunderstorms. .WED...SW winds 5 to 10 kt. Seas 2 ft or less. Chance of showers and isolated thunderstorms. .WED NIGHT...S to SW winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .THU...S winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...SE to S winds 5 to 10 kt. Seas 2 ft or less. .FRI...SE winds 5 to 10 kt. Seas 2 ft or less. .FRI NIGHT...SE winds 5 to 10 kt. Seas 2 ft or less. .SAT...E winds 5 to 10 kt. Seas 2 ft or less. .SAT NIGHT...NE to E winds 5 to 10 kt. Seas 2 ft or less.