590 
FZNT32 KNHC 202109
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
509 PM EDT Thu Sep 20 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 building over the eastern United
States will produce mainly gentle to moderate E to SE breezes
and 1 to 4 ft seas across the Gulf through Sun. A trough moving
west across the southwest Gulf will reach the Mexico coast by
Sat. Locally fresh winds are possible with this trough. 

Gulf of Mexico N of 26N W of 87W

.TONIGHT...SE winds 10 to 15 kt. Seas 3 ft. 
.FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI NIGHT...SE winds 10 kt. Seas 3 ft in the evening, subsiding
to 2 ft or less. 
.SAT...SE winds less than 10 kt. Seas 2 ft or less, building to
3 ft in the afternoon. 
.SAT NIGHT...Variable winds less than 10 kt, becoming E less
than 10 kt after midnight. Seas 3 ft. 
.SUN...E winds less than 10 kt. Seas 2 ft or less. 
.SUN NIGHT...SE winds less than 10 kt. Seas 2 ft or less. 
.MON...SE winds 10 kt. Seas 2 ft or less. 
.MON NIGHT...SE winds 10 kt. Seas 2 ft or less. 
.TUE...S winds 10 kt. Seas 2 ft or less. 
.TUE NIGHT...SE winds 10 kt. Seas 2 ft or less, building to 3 ft
after midnight. 

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

.TONIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI NIGHT...SE winds less than 10 kt, shifting to E after
midnight. Seas 3 to 4 ft. 
.SAT...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft. 
.SAT NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. 
.SUN...E winds less than 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less. 
.SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less. 
.MON...SE winds less than 10 kt. Seas 2 ft or less.
.MON NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less. 
.TUE...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 2 ft or less, building to 3 ft in the
afternoon. 
.TUE NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft. 

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

.TONIGHT...Within 60 nm of coast of Veracruz, E winds less than
10 kt. Elsewhere, NE winds less than 10 kt, shifting to E after
midnight. Seas 2 ft or less. 
.FRI...SE winds less than 10 kt within 60 nm of coast of
Veracruz, and SE 10 to 15 kt elsewhere. Seas 3 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT...E winds less than 10 kt within 60 nm of coast of
Veracruz, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or
less. 
.SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less. 
.MON...E winds less than 10 kt. Seas 2 ft or less. 
.MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less. 
.TUE...SE winds 10 to 15 kt. Seas 2 ft or less. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 to 4 ft after midnight. 

Gulf of Mexico E of 87W

.TONIGHT...E winds less than 10 kt. Seas 2 ft or less. 
.FRI...E winds 10 kt. Seas 2 ft or less. 
.FRI NIGHT...E winds 10 kt. Seas 2 ft or less. 
.SAT...E winds less than 10 kt. Seas 2 ft or less. 
.SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less. 
.SUN...E winds less than 10 kt. Seas 2 ft or less. 
.SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less. 
.MON...SE winds less than 10 kt. Seas 2 ft or less.
.MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. 
.TUE...SE winds 10 kt. Seas 2 ft or less. 
.TUE NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less.