070 FZNT32 KNHC 180817 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 417 AM EDT Wed Jul 18 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...Weak high pressure ridge across the Gulf along 25N will continue throughout the week. Active convection is expected across the northern Gulf during the next several days. A surface trough will move off the Yucatan Peninsula into the Bay of Campeche each evening, accompanied by fresh nocturnal winds. Gulf of Mexico N of 26N W of 87W .TODAY...SW winds 10 kt. Seas 2 ft or less. .TONIGHT...SW winds 10 to 15 kt. Seas 2 ft or less. .THU...SW winds 10 to 15 kt. Seas 2 ft or less. .THU NIGHT...SW winds 10 to 15 kt. Seas 2 ft or less. .FRI...SW winds 10 to 15 kt. Seas 2 ft or less. .FRI NIGHT...SW winds 10 kt. Seas 2 ft or less. .SAT...SW winds 10 kt. Seas 2 to 3 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...W winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. Gulf of Mexico from 22N to 26N W of 87W .TODAY...S winds less than 10 kt. Seas 2 ft or less. .TONIGHT...SE winds less than 10 kt. Seas 2 ft or less. .THU...S winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .FRI...SE winds 10 to 15 kt. Seas 2 to 3 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 ft. .SAT...SE winds 10 to 15 kt. Seas 3 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 ft. .SUN...SE winds 10 to 15 kt. Seas 2 ft or less. .SUN NIGHT...SE winds less than 10 kt. Seas 2 to 3 ft. SW Gulf of Mexico S of 22N W of 87W .TODAY...E winds less than 10 kt. Seas 2 to 3 ft. .TONIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. .THU...SE winds 10 to 15 kt. Seas 2 to 3 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 2 to 3 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...SE winds 10 to 15 kt. Seas 2 to 3 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Gulf of Mexico E of 87W .TODAY...SW winds 10 to 15 kt. Seas 2 ft or less. .TONIGHT...W winds 10 to 15 kt. Seas 2 ft or less. .THU...SW winds 10 to 15 kt. Seas 2 ft or less. .THU NIGHT...SW winds 10 to 15 kt. Seas 3 ft. .FRI...S winds 10 to 15 kt. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 3 ft. .SAT...S winds 10 to 15 kt. Seas 2 ft or less. .SAT NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...W winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft.