000 FZNT32 KNHC 232131 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 531 PM EDT Sun Aug 23 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...Hurricane Marco near 25.8N 87.8W 991 mb at 5 PM EDT moving NNW at 11 kt. Maximum sustained winds are 65 kt with gusts 80 kt. Marco will move to 27.1N 88.6W Mon morning, 28.5N 89.7W Mon afternoon, then will move inland and weaken to a tropical storm near 29.3N 91.4W Tue morning. Marco will move further inland to 29.8N 93.2W Tue afternoon. Marco will dissipate Thu afternoon. Tropical Storm Laura near 19.5N 75.2W 1000 mb at 5 PM EDT moving WNW at 18 kt. Maximum sustained winds are 50 kt with gusts 60 kt. Laura will move to 20.6N 78.3W Mon morning, 21.8N 81.7W Mon afternoon as it approaches the southeast Gulf. Laura will move to 23.3N 84.9W Tue morning, 24.7N 87.7W Tue afternoon, strengthen to a hurricane near 26.1N 90.2W Wed morning, and reach 28.0N 92.5W Wed afternoon near the Louisiana and Texas border before going inland and weakening through Thu. Atlantic high pressure will build westward over the eastern Gulf in the wake of Laura. Gulf of Mexico N of 26N W of 87W ...HURRICANE WARNING... .TONIGHT...HURRICANE CONDITIONS EXPECTED. NE winds 55 to 65 kt. Seas 7 to 10 ft, building to 8 to 13 ft after midnight. .MON...TROPICAL STORM CONDITIONS EXPECTED. NE winds 55 to 65 kt. Seas 8 to 13 ft, subsiding to 6 to 9 ft in the afternoon. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 15 to 25 kt. Seas 5 to 7 ft. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. E winds 15 to 25 kt, becoming NE 25 to 35 kt in the afternoon. Seas 3 to 5 ft, building to 6 to 8 ft in the afternoon. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. NE winds 40 to 50 kt. Seas 9 to 14 ft. .WED...HURRICANE CONDITIONS POSSIBLE. .WED NIGHT...HURRICANE CONDITIONS POSSIBLE. .THU...TROPICAL STORM CONDITIONS POSSIBLE. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico from 22N to 26N W of 87W ...HURRICANE WARNING... .TONIGHT...TROPICAL STORM CONDITIONS. N winds 55 to 65 kt, becoming NE 25 to 35 kt after midnight. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 4 to 6 ft. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...TROPICAL STORM CONDITIONS EXPECTED. NE winds 35 to 45 kt, becoming N 45 to 55 kt in the afternoon. Seas 3 to 5 ft, building to 6 to 9 ft in the afternoon. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. N winds 45 to 55 kt. Seas 8 to 11 ft. .WED...HURRICANE CONDITIONS POSSIBLE. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .THU...SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 20 kt. Seas 3 to 5 ft. SW Gulf of Mexico S of 22N W of 87W .TONIGHT...NE winds less than 10 kt. Seas 2 ft or less. .MON...NW winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Within 60 nm of coast of Veracruz, N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, N winds less than 10 kt, shifting to NE after midnight. Seas 2 ft or less, building to 3 ft after midnight. .TUE...Within 60 nm of coast of Veracruz, NW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, E winds 10 to 15 kt, shifting to N in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...Within 60 nm of coast of Veracruz, N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, N winds less than 10 kt, shifting to NE after midnight. Seas 3 to 4 ft. .WED...Variable winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .WED NIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .THU...E winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 20 kt elsewhere. Seas 3 to 4 ft. Gulf of Mexico E of 87W ...TROPICAL STORM WARNING... .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 30 to 40 kt, diminishing to 15 to 25 kt after midnight. Seas 5 to 7 ft. .MON...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. Seas 4 to 6 ft. .MON NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 40 to 50 kt. Seas 5 to 7 ft, building to 8 to 13 ft after midnight. .TUE...TROPICAL STORM CONDITIONS EXPECTED. SE winds 45 to 55 kt. Seas 10 to 15 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 25 to 35 kt, diminishing to 15 to 25 kt after midnight. Seas 8 to 13 ft, subsiding to 6 to 9 ft after midnight. .WED...SE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 20 kt. Seas 3 to 5 ft.