000 FZNT32 KNHC 181507 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1107 AM EDT Fri Sep 18 2020 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...Tropical Depression Twenty-Two near 23.8N 93.9W 1005 mb at 11 AM EDT moving NNE at 6 kt. Maximum sustained winds 30 kt gusts 40 kt. Twenty-Two will strengthen to a tropical storm near 24.8N 93.6W this evening, move to 25.9N 93.4W Sat morning, 26.3N 93.8W Sat evening, 26.5N 94.6W Sun morning, strengthen to a hurricane near 26.6N 95.6W Sun evening, and 26.9N 96.2W Mon morning. Twenty-Two will weaken to a tropical storm near 27.5N 96.5W by early Tue. A cold front will move through the northeast Gulf through the weekend, bringing fresh NE winds into early next week. Gulf of Mexico N of 26N W of 87W ...TROPICAL STORM WARNING... .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 3 to 4 ft. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE winds 10 to 20 kt, increasing to 30 to 40 kt after midnight. Seas 3 to 5 ft. .SAT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt, increasing to 40 to 50 kt in the afternoon. Seas 6 to 9 ft. .SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 45 to 55 kt. Seas 7 to 10 ft, building to 8 to 13 ft after midnight. .SUN...HURRICANE CONDITIONS POSSIBLE. E winds 45 to 55 kt. Seas 10 to 15 ft. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. Gulf of Mexico from 22N to 26N W of 87W ...TROPICAL STORM WARNING... .THIS AFTERNOON...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 25 to 35 kt. Seas 4 to 6 ft. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt. Seas 4 to 6 ft. .SAT...TROPICAL STORM CONDITIONS EXPECTED. S winds 35 to 45 kt. Seas 6 to 8 ft. .SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S winds 40 to 50 kt. Seas 6 to 9 ft. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. S winds 40 to 50 kt. Seas 7 to 10 ft. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. SW Gulf of Mexico S of 22N W of 87W .THIS AFTERNOON...W winds 10 to 20 kt. Seas 3 ft. .TONIGHT...W winds 15 to 25 kt. Seas 3 to 5 ft. .SAT...W winds 15 to 25 kt. Seas 4 to 6 ft. .SAT NIGHT...W winds 15 to 25 kt. Seas 5 to 7 ft. .SUN...W winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .MON...W winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...Within 60 nm of coast of Veracruz, W winds less than 10 kt. Elsewhere, NW winds 10 to 15 kt, shifting to N after midnight. Seas 4 to 6 ft. .TUE...W winds less than 10 kt. Seas 3 to 5 ft. Gulf of Mexico E of 87W .THIS AFTERNOON...SW winds less than 10 kt. Seas 3 ft. .TONIGHT...N winds less than 10 kt, shifting to E after midnight. Seas 3 ft in the evening, subsiding to 2 ft or less. .SAT...SE winds 10 to 15 kt. Seas 2 ft or less. .SAT NIGHT...E winds 10 to 20 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. .SUN...E winds 15 to 25 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft. .MON...NE winds 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft.