000
FZNT32 KNHC 210221
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
921 PM EST Mon Dec 20 2021

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 1010 mb extratropical low in the central Gulf is
accompanied by gales. This low will strengthen as it moves NE
and into Florida on Tue, with gales continuing along its path,
mainly within about 120 nm from the center in the NW semicircle.
Showers and thunderstorms will also accompany the low pressure
as well as the trailing cold front that will cross out of the
basin by Tue night. Strong to near gale force NW winds will
occur behind the front, but diminish Wed as high pressure builds
in. On Fri and Sat, S return flow in the W Gulf will reach fresh
to locally strong. 

Gulf of Mexico N of 26N W of 87W

...GALE WARNING...

.TONIGHT...N winds 25 to 35 kt. Seas 7 to 10 ft. 
.TUE...NW winds 15 to 25 kt. Seas 6 to 9 ft. 
.TUE NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. 
.WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...E winds 10 kt. Seas 3 to 5 ft. 
.THU...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.THU NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI...S winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT...SW winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. 

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

.TONIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. 
.TUE...NW winds 10 to 20 kt. Seas 7 to 10 ft. 
.TUE NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. 
.WED...N winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 5 to 7 ft. 
.WED NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. 
.THU...SE winds less than 10 kt. Seas 3 to 5 ft. 
.THU NIGHT...SE 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 5 ft. 
.SAT...S winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 

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

.TONIGHT...NW winds 15 to 25 kt within 60 nm of coast of
Veracruz, and N 15 to 25 kt elsewhere. Seas 6 to 9 ft. 
.TUE...N winds 10 to 20 kt. Seas 6 to 8 ft. 
.TUE NIGHT...Within 60 nm of coast of Veracruz, N winds 10 to
15 kt, shifting to NE after midnight. Elsewhere, N winds 10 to
20 kt. Seas 6 to 8 ft. 
.WED...NE winds less than 10 kt. Seas 4 to 6 ft. 
.WED NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. 
.THU...E winds less than 10 kt. Seas 3 to 4 ft in the morning,
subsiding to 2 ft or less. 
.THU NIGHT...E winds 10 to 15 kt. Seas 3 ft. 
.FRI...SE winds 10 to 15 kt. Seas 3 ft. 
.FRI NIGHT...SE winds 10 to 15 kt. Seas 3 ft. 
.SAT...SE 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. 
.SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less. 

Gulf of Mexico E of 87W

...GALE WARNING...

.TONIGHT...S winds 15 to 25 kt. Seas 5 to 7 ft. 
.TUE...NW winds 25 to 35 kt. Seas 6 to 9 ft. 
.TUE NIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. 
.WED...N winds 10 to 20 kt. Seas 6 to 8 ft. 
.WED NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft.
.THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...E winds 10 kt. Seas 3 to 4 ft. 
.FRI...SE winds 10 to 15 kt. Seas 3 ft in the morning, subsiding
to 2 ft or less. 
.FRI NIGHT...SE winds 10 kt. Seas 2 ft or less. 
.SAT...S winds 10 kt. Seas 2 ft or less. 
.SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less.