000 FZNT27 KNHC 070252 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1052 PM 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...Hurricane Katia near 21.7N 94.8W 989 mb at 11 PM EDT moving E at 2 kt. Maximum sustained winds 70 kt gusts 85 kt. Katia is forecast to move to near 21.5N 94.6W Thu morning, then to near 21.3N 94.8W Thu evening, then to near 21.1N 95.4W Fri morning, then near 20.6N 96.4W Fri evening, then will make landfall, weakening to a post-tropical cyclone near 19.0N 98.5W Sat evening, dissipating by Sun evening. Major Hurricane Irma is forecast to move between Cuba and the Bahamas Sat, then turn northward across the Florida peninsula, possibly bringing tropical storm force winds to eastern portions of the Straits of Florida and Florida Bay in the far SE Gulf late Sat into Sun. Northwest Gulf of Mexico .OVERNIGHT...N to NE winds 15 to 20 kt. Seas 3 to 6 ft. .THU...NE winds 20 to 25 kt. Seas 3 to 7 ft. Scattered showers and isolated thunderstorms. .THU NIGHT...NE winds 15 to 20 kt. Seas 3 to 7 ft. .FRI...NE to E winds 15 to 20 kt. Seas 4 to 7 ft. Scattered showers and isolated thunderstorms. .FRI NIGHT...NE winds 15 to 20 kt. Seas 4 to 7 ft. .SAT...NE winds 15 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 15 to 20 kt. Seas 4 to 7 ft. .SUN...N to NE winds 15 to 20 kt. Seas 4 to 7 ft. .SUN NIGHT...N to NE winds 20 to 25 kt. Seas 4 to 8 ft. .MON...N to NE winds 15 to 20 kt. Seas 4 to 8 ft. North Central and Northeast Gulf of Mexico ...HURRICANE CONDITIONS POSSIBLE SUN NIGHT... .OVERNIGHT...N winds 15 to 20 kt. Seas 2 ft or less, building to 3 ft after midnight. .THU...NE winds 15 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft. .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 20 to 25 kt. Seas 4 to 9 ft. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE.