000 FZNT27 KNHC 060959 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 559 AM EDT Wed Sep 6 2017 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...Newly upgraded Tropical Storm Katie near 22.1N 96.3W AT 0900Z moving E-SE at 2 kt. Maximum sustained winds 35 kt gusts 45 kt. Katia is forecast to gradually strengthen during the next few days, reaching near 21.6N 95.6W tonight, near 21.1N 95.6W Wed night as a 60 kt Tropical Storm, near 20.4N 96.7W Thu night, and then move SW and inland to near 19.2N 98.7W Fri night where it will gradually diminish. Hurricane Irma is expected to move between Cuba and the Bahamas Sat and through the Straits of Florida late Sat evening and night and possibly across or near portions of the SE and E Gulf Sun, where Hurricane Conditions are Possible. Northwest Gulf of Mexico .TODAY...N to NE winds 15 to 20 kt. Seas 2 ft or less, building to 3 ft in the afternoon. Scattered showers and isolated thunderstorms. .TONIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft. Slight chance of showers and isolated thunderstorms. .THU...NE winds 20 to 25 kt. Seas 3 to 6 ft. Scattered showers and isolated thunderstorms. .THU NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 6 ft. Scattered showers and isolated thunderstorms. .FRI...NE to E winds 20 to 25 kt. Seas 3 to 7 ft. .FRI NIGHT...NE winds 15 to 20 kt. Seas 3 to 6 ft. .SAT...NE winds 15 to 20 kt. Seas 3 to 6 ft. .SAT NIGHT...NE winds 15 to 20 kt. Seas 3 to 6 ft. .SUN...NE winds 15 to 20 kt. Seas 3 to 7 ft. North Central and Northeast Gulf of Mexico .TODAY...W to NW winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .TONIGHT...N winds 15 to 20 kt. Seas 2 ft or less, building to 3 ft late. Slight chance of thunderstorms. .THU...NE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .THU NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .FRI...NE winds 15 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft. .SAT...NE winds 20 to 25 kt. Seas 3 to 7 ft. .SAT NIGHT...NE winds 25 to 30 kt. Seas 4 to 9 ft. .SUN...HURRICANE CONDITIONS POSSIBLE.