000
FZNT32 KNHC 210309
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1009 PM EST Thu Dec 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...A strong cold front will continue eastward across
the eastern gulf waters overnight into Fri preceded by lines of
tstms, and followed increasing winds and building seas. Strong
to gale force winds will shift E across the entire Gulf of
Mexico overnight and on Fri, diminishing from the W, with the
gale conditions ending across the Straits of Florida late Fri.
Maximum seas of 21 ft on Fri will subside to less than 8 ft by
late Sat. Post-frontal high pres will shift eastward across the
central gulf on Sat, and move across the Florida Panhandle on
Sun, leaving a ridge from the Florida Big Bend to SE Texas on
Mon. Fresh return flow will set up across the NW waters on Tue. 

Gulf of Mexico N of 26N W of 87W

...GALE WARNING...

.TONIGHT...NW winds 25 to 35 kt. Seas 12 to 17 ft. 
.FRI...NW winds 25 to 35 kt. Seas 11 to 16 ft. 
.FRI NIGHT...NW winds 15 to 25 kt, shifting to W 10 to 15 kt
after midnight. Seas 8 to 11 ft, subsiding to 5 to 7 ft after
midnight. 
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN...S winds 10 kt. Seas 3 to 4 ft. 
.SUN NIGHT...Variable winds less than 10 kt, becoming SE 10 kt
after midnight. Seas 2 ft or less. 
.MON...SE winds less than 10 kt. Seas 2 ft or less.
.MON NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less, building
to 3 ft after midnight. 
.TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. 

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

...GALE WARNING...

.TONIGHT...NW winds 25 to 35 kt. Seas 11 to 16 ft. 
.FRI...NW winds 20 to 30 kt. Seas 11 to 16 ft. 
.FRI NIGHT...W winds 10 to 20 kt. Seas 7 to 10 ft. 
.SAT...SE winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft. 
.SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft. 
.MON...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. 

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

.TONIGHT...N winds 15 to 25 kt within 60 nm of coast of
Veracruz, and NW 20 to 30 kt elsewhere. Within 60 nm of coast of
Veracruz, seas 6 to 9 ft. Elsewhere, seas 7 to 10 ft, building
to 8 to 13 ft after midnight. 
.FRI...NW winds 10 to 20 kt. Seas 7 to 10 ft within 60 nm of
coast of Veracruz, and 8 to 13 ft elsewhere. 
.FRI NIGHT...Within 60 nm of coast of Veracruz, E winds less
than 10 kt, shifting to SE after midnight. Elsewhere, N winds
less than 10 kt in the evening, becoming variable winds less
than 10 kt. Seas 6 to 9 ft. 
.SAT...SE winds 10 to 20 kt within 60 nm of coast of Veracruz,
and E less than 10 kt elsewhere. Seas 4 to 6 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.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...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON NIGHT...E 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...E winds 10 to 15 kt. Seas 3 to 4 ft. 

Gulf of Mexico E of 87W

...GALE WARNING...

.TONIGHT...W winds 25 to 35 kt. Seas 9 to 14 ft, building to
12 to 17 ft after midnight. 
.FRI...W winds 25 to 35 kt. Seas 16 to 21 ft. 
.FRI NIGHT...NW winds 20 to 30 kt, diminishing to 10 to 20 kt
after midnight. Seas 14 to 19 ft, subsiding to 10 to 15 ft after
midnight. 
.SAT...NW winds 10 to 15 kt, shifting to N in the afternoon.
Seas 7 to 10 ft. 
.SAT NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 kt. Seas 3 to 4 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 ft after midnight. 
.MON...E winds 10 to 15 kt. Seas 3 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.