000
FZNT32 KNHC 200859
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
359 AM EST Sun Dec 20 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 continue shifting eastward. A
cold front has entered the NW Gulf tonight, extending from a
1014 mb low near 29N91W to 23N98W. A gale warning is in effect
for the area ahead of the front and south of the low. These
winds will follow the low as it moves east through the next
12 hours. The front will extend from the central Gulf Coast to
the western Bey of Campeche tonight, from southwest Florida to
the Yucatan peninsula on Mon morning, then exiting the area by
Mon night. On Thu, a strong cold front will enter the basin and
bring possible gale force winds in the SW Gulf. 

Gulf of Mexico N of 26N W of 87W

.TODAY...NW winds 10 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...N winds 10 to 15 kt. Seas 5 to 7 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 3 ft in the evening,
subsiding to 2 ft or less. 
.TUE...E winds 10 kt. Seas 2 ft or less, building to 3 ft in the
afternoon. 
.TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED...S winds 15 to 20 kt. Seas 4 to 6 ft. 
.WED NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft.
.THU...NW winds 20 to 30 kt. Seas 6 to 9 ft, building to 8 to
13 ft in the afternoon. 
.THU NIGHT...NW winds 20 to 25 kt. Seas 11 to 16 ft. 

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

...GALE CONDITIONS POSSIBLE...

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

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

...GALE CONDITIONS POSSIBLE...

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

Gulf of Mexico E of 87W

.TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft. 
.TONIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...N winds 10 to 15 kt. Seas 4 to 6 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...NW winds 15 to 25 kt. Seas 5 to 7 ft, building to
7 to 10 ft after midnight.