000
FZNT32 KNHC 181415
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1015 AM EDT Fri May 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...An Atlantic ridge extending west across Central
Florida to the Texas Coastal Bend will shift slightly north
across the northern waters on Sat where it will meander through
Mon morning. A thermal trough will develop during the evening
hours over the Yucatan Peninsula, then move west across the
southwest waters during the overnight hours and dissipate by
late each morning. A broad trough will develop across the
eastern gulf late Mon and drift west through Tue. 

Gulf of Mexico N of 26N W of 87W

.THIS AFTERNOON...S winds less than 10 kt. Seas 2 ft or less,
building to 3 ft in the afternoon. 
.TONIGHT...S winds less than 10 kt, shifting to SE after
midnight. Seas 3 ft. 
.SAT...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft. 
.MON NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.TUE...SE winds less than 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...SE winds less than 10 kt. Seas 3 ft. 

Gulf of Mexico from 22N to 26N W of 87W

.THIS AFTERNOON...SE winds less than 10 kt. Seas 2 ft or less,
building to 3 ft in the afternoon. 
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 

SW Gulf of Mexico S of 22N W of 87W

.THIS AFTERNOON...SE winds less than 10 kt. Seas 2 ft or less. 
.TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 ft after midnight. 
.SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft. 
.TUE NIGHT...NE winds 10 to 15 kt. Seas 3 ft. 

Gulf of Mexico E of 87W

.THIS AFTERNOON...S winds less than 10 kt in the morning,
becoming variable winds less than 10 kt. Seas 2 ft or less. 
.TONIGHT...SE winds less than 10 kt. Seas 2 ft or less. 
.SAT...SE winds 10 kt. Seas 2 ft or less. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 to 4 ft after midnight. 
.SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...SE winds 10 kt. Seas 3 to 4 ft. 
.MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft.