000 FZNT32 KNHC 081405 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 905 AM EST Thu Mar 8 2018 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...Fresh northerly winds across the Gulf of Mexico will become southerly across the northwest waters this evening as a ridge develops north to south across the central gulf waters. The ridge will shift east from the Florida Big Bend to Veracruz Mexico by Fri evening as southerly return flow spreads east across the entire Gulf of Mexico ahead of the next cold front moving into the northern waters late Sat night. This cold front will race across the gulf waters on Sun and Sun night, passing through the Straits of Florida late Mon with strong post-frontal northerly winds on Sun and Sun night. Gulf of Mexico N of 26N W of 87W .TODAY...NE winds 10 to 20 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...S winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 5 to 6 ft. .SUN...NW winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .MON...N winds 15 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. Gulf of Mexico from 22N to 26N W of 87W .TODAY...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...W winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .MON...N winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. SW Gulf of Mexico S of 22N W of 87W .TODAY...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...Within 60 nm of coast of Veracruz, SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or less. .SUN NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .MON...N winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. Gulf of Mexico E of 87W .TODAY...N winds 10 to 20 kt. Seas 4 to 5 ft. .TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE winds 10 to 15 kt. 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. Seas 3 to 4 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...SW winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft. .MON...NW winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft.