


Offshore Forecast
Issued by NWS
Issued by NWS
536 FZNT32 KNHC 090929 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 529 AM EDT Fri May 9 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...Cold front extends across the NW Gulf of America, producing a strong squall line that is generating frequent lightning, gusty winds and suddenly higher seas. The front will move eastward today, with a low developing along the front near SE Louisiana. The low will meander over the NE Gulf through Sun while the front will move eastward across the western half of the basin. By Mon, the low is forecast to move northward and the front will continue to move across the eastern Gulf. Fresh to strong northerly winds and moderate to rough seas are expected in the wake of the front through Sat night. Seas to 9 ft are expected Fri night into Sat morning in the SW Gulf. Smoke from agricultural fires in southeastern Mexico is creating hazy conditions in parts of the Gulf region. Gulf of America N of 26N W of 87W .TODAY...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NW winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...NW winds 10 to 15 kt, shifting to N after midnight. Seas 3 to 4 ft. .SUN...NW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...NW winds 10 to 15 kt, shifting to W after midnight. Seas 3 to 4 ft. .MON...W winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. Gulf of America from 22N to 26N W of 87W .TODAY...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. .MON...W winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...W winds less than 10 kt, shifting to S after midnight. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. SW Gulf of America S of 22N W of 87W .TODAY...Within 60 nm of coast of Veracruz, Variable winds less than 10 kt, becoming N 10 to 20 kt in the afternoon. Elsewhere, SE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...N winds 15 to 25 kt within 60 nm of coast of Veracruz, and N 10 to 20 kt elsewhere. Seas 4 to 6 ft. .SAT...N winds 10 to 20 kt. Seas 6 to 9 ft within 60 nm of coast of Veracruz, and 4 to 6 ft elsewhere. .SAT NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. .MON...Variable winds less than 10 kt, becoming N less than 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 ft. .TUE...E winds less than 10 kt. Seas 3 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of America E of 87W .TODAY...SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 ft. .TONIGHT...S winds less than 10 kt, shifting to SE after midnight. Seas 3 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...S winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...SW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .MON...SW winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...W winds less than 10 kt. Seas 3 to 4 ft. .TUE...NW winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...NW winds less than 10 kt. Seas 3 to 4 ft.