000 FZNT32 KNHC 270830 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 430 AM EDT Tue Jul 27 2021 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...Weak high pressure persists across the northern Gulf along 29N while a trough extends from offshore of Tampa Bay, Florida to near 24N91W. Scattered showers and isolated thunderstorms will persist near and south of the trough axis through tonight as if drifts westward. Atlantic high pressure will begin to build westward into the Gulf region Wed and Thu with a ridge persisting along 27N into Sat. Gulf of Mexico N of 26N W of 87W .TODAY...Variable winds less than 10 kt, becoming E less than 10 kt in the afternoon. Seas 2 ft or less. .TONIGHT...SE winds 10 kt. Seas 2 ft or less. .WED...SE winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...SE winds 10 kt. Seas 2 ft or less. .THU...S winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 2 ft or less. .FRI...S winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 2 ft or less. .SAT...S winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .SAT NIGHT...S winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. Gulf of Mexico from 22N to 26N W of 87W .TODAY...SE winds less than 10 kt. Seas 3 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 ft. .WED...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. .WED NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 2 ft or less, building to 3 ft after midnight. .THU...SE winds less than 10 kt. Seas 3 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 kt. Seas 3 to 4 ft. SW Gulf of Mexico S of 22N W of 87W .TODAY...Variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...Within 60 nm of coast of Veracruz, E winds less than 10 kt. Elsewhere, N winds less than 10 kt, shifting to NE after midnight. Seas 2 ft or less. .WED...Within 60 nm of coast of Veracruz, Variable winds less than 10 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .WED NIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and NE 10 to 15 kt elsewhere. Seas 2 ft or less. .THU...E winds 10 to 15 kt. Seas 2 ft or less. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W .TODAY...S winds less than 10 kt. Seas 2 ft or less. .TONIGHT...S winds less than 10 kt. Seas 2 ft or less. .WED...S winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .THU...NE winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .FRI...NE winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...NE winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less.