000 FZNT32 KNHC 310917 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 517 AM EDT Fri Jul 31 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 Isaias is centered near 20.9N 73.3W 990 mb moving NW at 14 kt. Maximum sustained winds 70 kt gusts 85 kt. Weak high pressure over the NE Gulf will drift W through the weekend as Isaias moves NW to the Central Bahamas this afternoon and evening then veers more NNW over the NW Bahamas and near SE Florida late tonight through Sat. Isaias is the expected to move N then NE across the W Atlantic and remain east of the Gulf of Mexico through the weekend. Gulf of Mexico N of 26N W of 87W .TODAY...S winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...S winds less than 10 kt. Seas 3 ft. .SAT...S winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .SAT NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 3 ft in the evening, subsiding to 2 ft or less. .SUN...NW winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 2 ft or less. .MON...SW winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 2 ft or less. .TUE...S winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...SE winds less than 10 kt. Seas 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 kt. Seas 3 ft. .SUN...E winds less than 10 kt. Seas 3 ft. .SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .MON...E winds less than 10 kt. Seas 3 ft. .MON NIGHT...E winds 10 kt. Seas 3 ft. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 kt. Seas 2 ft or less, building to 3 ft after midnight. SW Gulf of Mexico S of 22N W of 87W .TODAY...SE winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .TONIGHT...Within 60 nm of coast of Veracruz, variable winds less than 10 kt. Winds NE winds less than 10 kt in the evening. Elsewhere, 10 to 15 kt after midnight. Seas 3 to 4 ft. .SAT...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 3 to 4 ft. .SAT NIGHT...Within 60 nm of coast of Veracruz, E winds less than 10 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .SUN...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 ft. .SUN NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 to 4 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W .TODAY...NE winds 10 to 15 kt. Seas 3 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 ft. .SAT...NE winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .SAT NIGHT...N winds less than 10 kt. Seas 3 ft. .SUN...N winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .SUN NIGHT...N winds less than 10 kt. Seas 2 ft or less. .MON...N winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .TUE...NE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less.