000
FZNT32 KNHC 210012
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
712 PM 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...The cold front in the NW Gulf extends from a 1013 mb
low pressure near Pensacola, Florida to the southwest Gulf this
afternoon. Moderate to fresh northwest winds will accompany this
front as it moves across the southeast Gulf tonight into Monday.
High pressure shifts to the east with southerly flow returning
by middle of the week. On Thu, 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

...GALE CONDITIONS POSSIBLE...

.TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 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 to 15 kt. Seas 2 ft or less. 
.TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED...S winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft, building to
5 to 7 ft after midnight. 
.THU...N winds 25 to 35 kt. Seas 7 to 10 ft. 
.THU NIGHT...N winds 15 to 25 kt. Seas 5 to 7 ft. 
.FRI...NW winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI NIGHT...NW winds 10 to 15 kt, shifting to SW after
midnight. Seas 3 to 4 ft. 

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

...GALE CONDITIONS POSSIBLE...

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

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

...GALE CONDITIONS POSSIBLE...

.TONIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...NE winds 10 to 20 kt. Seas 3 to 5 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 20 kt. Seas 3 to 5 ft. 
.TUE...E winds less than 10 kt within 60 nm of coast of
Veracruz, and E 10 to 15 kt elsewhere. 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 4 ft. 
.THU...E winds less than 10 kt, becoming N 15 to 25 kt in the
afternoon. Seas 3 ft, building to 5 to 7 ft in the afternoon. 
.THU NIGHT...N winds 25 to 35 kt. Seas 7 to 10 ft.
.FRI...N winds 15 to 25 kt. Seas 7 to 10 ft. 
.FRI NIGHT...NE winds 10 to 15 kt, shifting to E after midnight.
Seas 5 to 7 ft. 

Gulf of Mexico E of 87W

.TONIGHT...W winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...N winds 10 to 20 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 4 ft. 
.THU...SW winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU NIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. 
.FRI...N winds 15 to 20 kt. Seas 6 to 9 ft. 
.FRI NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft.