823 FZNT32 KNHC 112100 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 500 PM EDT Wed Jul 11 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...High pressure will prevail across the northern Gulf waters through Mon. A surface trough will move westward off the Yucatan Peninsula each evening through Mon and slightly enhance nocturnal winds and waves over the SW Gulf. Gulf of Mexico N of 26N W of 87W .TONIGHT...N winds less than 10 kt, shifting to SE after midnight. Seas 2 ft or less. .THU...S winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .THU NIGHT AND FRI...S winds less than 10 kt. Seas 2 ft or less. .FRI THROUGH MON...SE winds less than 10 kt. Seas 2 ft or less. Gulf of Mexico from 22N to 26N W of 87W .TONIGHT...E winds less than 10 kt. Seas 2 ft or less. .THU...E winds less than 10 kt. Seas 2 to 3 ft. .THU NIGHT AND FRI...SE winds 10 to 15 kt. Seas 2 ft or less. .FRI THROUGH MON...E winds 10 to 15 kt. Seas 3 to 4 ft. SW Gulf of Mexico S of 22N W of 87W .TONIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and NE 10 to 15 kt elsewhere. Seas 2 to 3 ft. .THU...NE winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .THU NIGHT AND FRI...E winds 10 to 20 kt. Seas 3 to 4 ft. .FRI THROUGH MON...E winds 10 to 20 kt. Seas 3 to 5 ft. Gulf of Mexico E of 87W .TONIGHT...SE winds less than 10 kt. Seas 2 ft or less. .THU...SE winds less than 10 kt. Seas 2 ft or less. .THU NIGHT AND FRI...SE winds less than 10 kt. Seas 2 ft or less. .FRI THROUGH MON...NE winds less than 10 kt. Seas 2 ft or less.