


Offshore Forecast
Issued by NWS
Issued by NWS
673 FZNT32 KNHC 271958 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 358 PM EDT Wed Aug 27 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 frontal boundary will linger over the northern Gulf through tonight before lifting NW of the area by Thu. Then, high pressure will dominate the basin the remainder of the week into the weekend. Under this weather pattern, mainly gentle to moderate winds will prevail across the basin, except for moderate to fresh NE to E winds over the S-central and SW Gulf nightly as a diurnal trough develops over the Yucatan Peninsula and moves westward at night. Slight to locally moderate seas are forecast across the Gulf waters through the upcoming weekend. Gulf of America N of 26N W of 87W .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .FRI...S winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .SAT...SW winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. 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...Variable winds less than 10 kt. Seas 2 ft or less. .MON...SW winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...W winds less than 10 kt. Seas 2 ft or less. Gulf of America from 22N to 26N W of 87W .TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .THU...E winds less than 10 kt. Seas 3 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 ft. .FRI...SE winds less than 10 kt. Seas 3 ft. .FRI 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. .SAT...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .SAT NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 3 ft. .SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .MON...S winds less than 10 kt. Seas 3 ft. .MON NIGHT...SE winds less than 10 kt. Seas 2 ft or less. SW Gulf of America S of 22N W of 87W .TONIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and NE 10 to 20 kt elsewhere. Seas 3 to 4 ft. .THU...Within 60 nm of coast of Veracruz, E 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 to 4 ft. .THU NIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and NE 10 to 15 kt elsewhere. Seas 3 ft. .FRI...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 ft in the morning, subsiding to 2 ft or less. .FRI NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .SAT...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .SUN...E winds 10 to 15 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .MON...SE winds 10 to 15 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. Gulf of America E of 87W .TONIGHT...E winds less than 10 kt. Seas 2 ft or less. .THU...E winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .FRI...E winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 2 ft or less. .SUN...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .MON...Variable winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt, becoming SW less than 10 kt after midnight. Seas 2 ft or less.