574 FZNT32 KNHC 150818 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 418 AM EDT Sat Apr 15 2023 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...Weak ridging extends from southwest Florida to southeast Louisiana. The ridge will shift east today ahead of a cold front that is forecast to enter the western Gulf tonight. The front will move southeastward across much of the Gulf and reach from Fort Myers, Florida to Tampico, Mexico by Sun night. Fresh to strong N to NE winds and building seas are likely behind the front over much of the western and central Gulf Sun into early Mon. Well in advance of the front, there is a possibility of some severe thunderstorm squalls with gusty winds over portions of the north-central and NE Gulf on Sat. Gulf of Mexico N of 26N W of 87W .TODAY...S winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...S winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. .SUN...N winds 15 to 25 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. Gulf of Mexico from 22N to 26N W of 87W .TODAY...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. SW Gulf of Mexico S of 22N W of 87W .TODAY...Within 60 nm of coast of Veracruz, SE winds less than 10 kt, shifting to NW in the afternoon. Elsewhere, SE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...Within 60 nm of coast of Veracruz, NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...N winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Gulf of Mexico E of 87W .TODAY...SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft or less. .TONIGHT...SE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. .SUN...S winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...NW winds less than 10 kt, becoming N 10 to 20 kt after midnight. Seas 3 to 5 ft. .MON...N winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.