000
FZNT32 KNHC 192036
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
336 PM EST Sat Dec 19 2020

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 will shift eastward today. A cold
front will move into the NW Gulf tonight, reach from the central
Gulf Coast to the western Bay of Campeche on Sun, and from
southwest Florida to the Yucatan peninsula on Mon. The cold
front will exit the basin by Mon night. Moderate to fresh SE
winds are expected in the NW Gulf on Wed. By Thu, a strong cold
front will cross the basin and bring possible gale force winds
in the SW Gulf. 

Gulf of Mexico N of 26N W of 87W

.TONIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...NW winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...N winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 3 to 5 ft. 
.MON NIGHT...NE winds less than 10 kt. Seas 2 ft or less. 
.TUE...E winds 10 kt. Seas 2 ft or less. 
.TUE NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less, building
to 3 to 4 ft after midnight. 
.WED...S winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED NIGHT...S winds 15 to 20 kt. Seas 5 to 7 ft.
.THU...W winds 20 to 30 kt. Seas 6 to 9 ft, building to 8 to
13 ft in the afternoon. 
.THU NIGHT...NW winds 25 to 30 kt. Seas 11 to 16 ft. 

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

.TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN...NW winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU...S winds 10 to 20 kt, becoming NW 25 to 35 kt in the
afternoon. Seas 5 to 7 ft, building to 8 to 11 ft in the
afternoon. 
.THU NIGHT...N winds 20 to 30 kt. Seas 10 to 15 ft. 

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

...GALE CONDITIONS POSSIBLE...

.TONIGHT...Within 60 nm of coast of Veracruz, N winds less than
10 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than
10 kt after midnight. Seas 3 to 5 ft. 
.SUN...N winds 15 to 25 kt within 60 nm of coast of Veracruz,
and NE less than 10 kt elsewhere. Seas 4 to 6 ft within 60 nm of
coast of Veracruz, and 3 ft elsewhere. 
.SUN NIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.THU...SE winds 10 to 15 kt, becoming NW 20 to 30 kt in the
afternoon. Seas 3 to 5 ft, building to 6 to 8 ft in the
afternoon. 
.THU NIGHT...N winds 25 to 35 kt. Seas 9 to 14 ft. 

Gulf of Mexico E of 87W

.TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN NIGHT...NW winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU...S winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU NIGHT...SW winds 10 to 20 kt, becoming NW 20 to 30 kt after
midnight. Seas 5 to 7 ft, building to 7 to 10 ft after midnight.