000 FZNT32 KNHC 280247 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1047 PM 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...A surface trough remains over the central Gulf aligned NE to SW, and is accompanied by scattered showers and isolated thunderstorms. The trough will drift toward the NW Gulf and weaken through Wed night. In its wake, the Atlantic high pressure will begin to build westward into the Gulf waters Wed and Thu, with a ridge persisting along 27N into Sat. Gulf of Mexico N of 26N W of 87W .OVERNIGHT...SE winds 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .WED...SE winds less than 10 kt. Seas 3 ft. .WED NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .THU...S winds less than 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 in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...S winds less than 10 kt. Seas 2 ft or less. .SUN...S winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...S winds less than 10 kt. Seas 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W .OVERNIGHT...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. .WED NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 2 ft or less. .THU...SE winds less than 10 kt. Seas 3 ft. .THU NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. .FRI...E winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 3 to 4 ft. .SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. SW Gulf of Mexico S of 22N W of 87W .OVERNIGHT...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 E 10 to 20 kt elsewhere. Seas 2 ft or less, building to 3 ft after midnight. .THU...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 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Gulf of Mexico E of 87W .OVERNIGHT...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 less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .FRI...NE winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .SAT...E winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .SUN...S winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...SE winds less than 10 kt. Seas 2 ft or less.