000 FZNT32 KNHC 100300 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1100 PM EDT Sat Sep 9 2017 Marine Weather HF Voice Broadcast for the Gulf of Mexico Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. Synopsis for the Gulf of Mexico .SYNOPSIS...Major Hurricane Irma near 23.5N 81.0W along the coast of Cuba, 933 mb at 11 PM EDT moving NW at 5 kt into the Straits of Florida. Maximum sustained winds 105 kt gusts 130 kt. Irma will reach 24.7N 81.7W early Sun, then continue northward along the W coast of Florida, reaching 26.8N 82.4W Sun evening, 29.5N 83.4W Mon morning, then weaken to a tropical storm inland near 32.2N 85.0W Mon evening, before weakening further near 37.0N 88.5W by Tue evening and dissipating by mid week. Gulf of Mexico N of 26N W of 87W .OVERNIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SUN...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...NE winds 20 to 30 kt. Seas 8 to 11 ft. .MON...N winds 15 to 25 kt. Seas 8 to 11 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...NW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SW winds 10 to 15 kt. Seas 2 ft or less. .WED NIGHT...SW winds 10 to 15 kt. Seas 2 ft or less. .THU...SW winds 10 to 15 kt. Seas 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W .OVERNIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft. .SUN...N winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. .MON...N winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft. .TUE...NW winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft. .WED...SW winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .THU...S winds 10 to 15 kt. Seas 2 ft or less. SW Gulf of Mexico S of 22N W of 87W .OVERNIGHT...N winds 10 to 15 kt. Seas 3 ft. .SUN...N winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON...N winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...Within 60 nm of coast of Veracruz, NW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, NW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft. .WED...Variable winds less than 10 kt, becoming SW less than 10 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .THU...Within 60 nm of coast of Veracruz, SE winds 10 to 15 kt. Elsewhere, SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft or less. Gulf of Mexico E of 87W ...HURRICANE WARNING... .OVERNIGHT...HURRICANE CONDITIONS. N winds 75 to 95 kt. Seas 10 to 15 ft. .SUN...N winds 65 to 80 kt. Seas 13 to 18 ft. .SUN NIGHT...TROPICAL STORM CONDITIONS EXPECTED. NW winds 60 to 70 kt, diminishing to 50 to 60 kt after midnight. Seas 13 to 18 ft. .MON...TROPICAL STORM CONDITIONS EXPECTED. NW winds 50 to 60 kt, diminishing to 30 to 40 kt in the afternoon. Seas 11 to 16 ft. .MON NIGHT...NW winds 20 to 30 kt. Seas 8 to 13 ft, subsiding to 7 to 10 ft after midnight. .TUE...W winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SW winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...S winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .THU...SW winds less than 10 kt. Seas 2 ft or less.