000 FZNT32 KNHC 200921 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 421 AM EST Thu Feb 20 2025 Marine Weather HF Voice Broadcast for the Gulf of America 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...A strong cold front extends from Venice, Florida southwestward to 23N90W to the central Bay of Campeche. The front will continue to quickly move southeastward across the remainder of the basin through tonight. A Gale Warning remains in effect today through this evening for off Veracruz. These winds will continue to produce rough to very rough seas, peaking to around 19 ft today off Veracruz. Winds and seas will diminish during the weekend. A trough is expected to develop from the frontal remnants over the west-central and SW Gulf on Fri and linger through Sat night while weakening. Fresh to strong winds are expected over the waters north of 22N and west of 90W Fri through Sat night. Low pressure may develop along the trough on Sat near southern Texas and track NE near the rest of the Texas coast through Sun night while weakening. High pressure will settle in over the NW Gulf early next week, preceded by a surge of moderate to fresh northerly winds from the eastern Gulf to the SW Gulf. Gulf of America N of 26N W of 87W .TODAY...N winds 15 to 25 kt. Seas 8 to 11 ft. .TONIGHT...NE winds 15 to 20 kt. Seas 7 to 10 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. Gulf of America from 22N to 26N W of 87W .TODAY...N winds 15 to 25 kt. Seas 8 to 13 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 8 to 12 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt, shifting to E after midnight. Seas 4 to 6 ft. SW Gulf of America S of 22N W of 87W ...GALE WARNING... .TODAY...NW winds 20 to 35 kt within 60 nm of coast of Veracruz, and N 15 to 25 kt elsewhere. Seas 14 to 19 ft within 60 nm of coast of Veracruz, and 8 to 13 ft elsewhere. .TONIGHT...N winds 15 to 25 kt. Seas 11 to 16 ft within 60 nm of coast of Veracruz, and 8 to 13 ft elsewhere. .FRI...NW winds 15 to 25 kt within 60 nm of coast of Veracruz, and NE 10 to 20 kt elsewhere. Within 60 nm of coast of Veracruz, seas 9 to 14 ft, subsiding to 8 to 11 ft in the afternoon. Elsewhere, seas 7 to 10 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft within 60 nm of coast of Veracruz, and 6 to 8 ft elsewhere. .SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 4 to 6 ft. .SUN NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .MON...NW winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. Gulf of America E of 87W .TODAY...N winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft.