000 FZNT32 KNHC 190311 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1111 PM EDT Mon Jun 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...Surface broad low pressure will continue across the southwestern gulf with favorable upper-level conditions for numerous showers and thunderstorms to continue across the northwestern and much of the W central waters through Wed night. A tight pressure gradient between the low pressure and high pressure over the eastern gulf will maintain strong southerly flow across the waters W of 90W through Tue morning. A surface trough will develop along the Yucatan Peninsula during the late afternoons, then move westward across the southwestern gulf during the overnight hours accompanied by fresh east to southeast winds. The trough will dissipate near 96W during the late mornings. Gulf of Mexico N of 26N W of 87W .OVERNIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 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 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...S winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...S winds 10 to 20 kt. Seas 3 to 4 ft. Gulf of Mexico from 22N to 26N W of 87W .OVERNIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 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 20 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. SW Gulf of Mexico S of 22N W of 87W .OVERNIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .WED...SE winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W .OVERNIGHT...E winds less than 10 kt. Seas 2 to 3 ft. .TUE...E winds less than 10 kt. Seas 2 to 3 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 2 to 3 ft. .WED...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 to 3 ft. .WED NIGHT...Variable winds less than 10 kt. Seas 2 to 3 ft. .THU...S winds less than 10 kt. Seas 2 to 3 ft. .THU NIGHT...Variable winds less than 10 kt. Seas 2 to 3 ft. .FRI...Variable winds less than 10 kt. Seas 2 to 3 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 2 to 3 ft. .SAT...Variable winds less than 10 kt. Seas 2 to 3 ft. .SAT NIGHT...E winds less than 10 kt. Seas 2 to 3 ft.