000
FZNT32 KNHC 211518
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1018 AM EST Tue Dec 21 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 1001 mb extratropical low is in the east-central
Gulf near 26.5N 83.5W, accompanied by gales, within about 120 nm
of the center. A cold front extends south-southwestward from the
low to the Yucatan Channel. This low will track NE and move
inland into Florida by late this morning. Gales will end for the
NE Gulf of Mexico by midday. Showers and some strong thunderstorms
will continue to be possible over the far southeastern Gulf and 
Florida Straits before the front moves SE of the area this 
evening. Fresh to strong winds and seas of 8 to 10 ft behind the 
front will gradually subside late tonight and early Wed. High 
pressure crossing the northern Gulf will lead to tranquil 
conditions Wed night through Thu, but by Fri and into the 
weekend, fresh to possibly locally strong S return flow will 
develop in the western Gulf. 

Gulf of Mexico N of 26N W of 87W

.TODAY...NW winds 10 to 20 kt. Seas 6 to 8 ft. 
.TONIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED NIGHT...E winds 10 kt. Seas 3 to 4 ft. 
.THU...SE winds 10 to 15 kt. Seas 2 ft or less. 
.THU NIGHT...S winds 10 to 15 kt. Seas 2 ft or less, building to
3 ft after midnight. 
.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...SW winds 10 to 15 kt. Seas 3 to 4 ft. 

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

.TODAY...NW winds 10 to 20 kt. Seas 6 to 8 ft. 
.TONIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED...N winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 4 to 6 ft. 
.WED NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. 
.THU...SE winds less than 10 kt. Seas 3 to 4 ft. 
.THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 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 less than 10 kt. Seas 3 to 4 ft. 
.SAT NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. 

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

.TODAY...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...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 5 to 7 ft. 
.WED...NE winds less than 10 kt. Seas 4 to 6 ft. 
.WED NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. 
.THU...E winds less than 10 kt. Seas 3 ft. 
.THU NIGHT...E winds less than 10 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 less than 10 kt. Seas 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...

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