000 FZNT32 KNHC 220322 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1122 PM EDT Fri Aug 21 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...Newly upgraded Tropical Storm Marco near 18.7N 84.9W 1003 mb at 11 PM EDT is moving NNW at 9 kt. Maximum sustained winds 35 kt gusts 45 kt. Marco will move to near 19.7N 85.7W Sat morning with maximum sustained winds 45 kt guts to 55 kt, to just east of the northeastern tip of the Yucatan Peninsula near 21.1N 86.7W Sat evening, to the south-central Gulf of Mexico near 22.7N 88.0W Sun morning with maximum sustained winds 55 kt gusts 65 kt. Marco is forecast to continue to strengthen as it reaches near 24.N 89.5W Sun evening with maximum sustained winds 60 kt gusts 75 kt, and maintain intensity as it reaches near 25.9N 91.0W Mon morning, reach near 27.5N 92.8W Mon evening and move inland near 29.0N 95.4W Tue evening. Tropical Storm Laura over the Tropical Atlantic is forecast to enter the southeastern Gulf of Mexico near 23.8N 83.3W Mon evening with maximum winds 55 kt gusts to 65 kt. Laura is forecast to strengthen to a hurricane over the central Gulf of Mexico near 26.5N 87.7W Tue evening, reach to near 29.2N 90.2W Wed evening and move inland Wed night. Gulf of Mexico N of 26N W of 87W .OVERNIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. .SAT...SE winds 10 to 15 kt. Seas 2 ft or less. .SAT NIGHT...SE winds 10 to 20 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 15 to 25 kt. Seas 5 to 7 ft. .MON...HURRICANE CONDITIONS POSSIBLE. .MON NIGHT...HURRICANE CONDITIONS POSSIBLE. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. .WED...HURRICANE CONDITIONS POSSIBLE. Gulf of Mexico from 22N to 26N W of 87W ...TROPICAL STORM WARNING BETWEEN 87W AND 94W... .OVERNIGHT...E winds 10 to 20 kt. Seas 2 ft or less, building to 3 ft after midnight. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 10 to 15 kt, increasing to 15 to 25 kt in the afternoon. Seas 3 ft. .SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 15 to 25 kt, increasing to 25 to 35 kt after midnight. Seas 4 to 6 ft. .SUN...TROPICAL STORM CONDITIONS EXPECTED. E winds 40 to 50 kt. Seas 6 to 7 ft, except 14 to 20 ft S of 24N E of 90W. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. NE winds 45 to 55 kt. Seas 6 to 9 ft, except 13 to 20 ft E of 94W. .MON...HURRICANE CONDITIONS POSSIBLE. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. .WED...TROPICAL STORM CONDITIONS POSSIBLE. SW Gulf of Mexico S of 22N W of 87W ...TROPICAL STORM WARNING... .OVERNIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and NE 10 to 20 kt elsewhere. Seas 2 ft or less. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. Within 60 nm of coast of Veracruz, SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, E winds 10 to 20 kt. Seas 2 ft or less. .SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. Within 60 nm of coast of Veracruz, NE winds less than 10 kt. Elsewhere, NE winds 10 to 20 kt, increasing to 35 to 45 kt after midnight. Seas 2 ft or less. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. Within 60 nm of coast of Veracruz, Variable winds less than 10 kt. Elsewhere, NE winds 40 to 50 kt, becoming NW 20 to 30 kt in the afternoon. Seas 2 ft or less. .SUN NIGHT...N winds less than 10 kt within 60 nm of coast of Veracruz, and NE 10 to 15 kt elsewhere. Seas 2 ft or less. .MON...Within 60 nm of coast of Veracruz, NW winds less than 10 kt, shifting to N in the afternoon. Elsewhere, S winds less than 10 kt, shifting to W in the afternoon. Seas 2 ft or less, building to 3 ft in the afternoon. .MON NIGHT...Within 60 nm of coast of Veracruz, N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, E winds less than 10 kt. Seas 3 ft. .TUE...E winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...Within 60 nm of coast of Veracruz, E winds less than 10 kt. Elsewhere, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .WED...Within 60 nm of coast of Veracruz, S winds less than 10 kt, shifting to N in the afternoon. Elsewhere, SE winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W ...TROPICAL STORM WARNING... .OVERNIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 15 to 25 kt. Seas 3 to 5 ft. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 15 to 25 kt, increasing to 25 to 35 kt after midnight. Seas 4 to 6 ft. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 30 to 40 kt, diminishing to 10 to 20 kt in the afternoon. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...TROPICAL STORM CONDITIONS POSSIBLE. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...HURRICANE CONDITIONS POSSIBLE. .TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. .WED...TROPICAL STORM CONDITIONS POSSIBLE.