000
FZNT32 KNHC 201447
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1047 AM EDT Mon Sep 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...Weak high pressure will extend across the eastern
and central Gulf of Mexico through Tue. This pattern will
support continued gentle to moderate winds and mostly slight
seas across the Gulf. An early season cold front is expected to
enter the NW Gulf early Wed and reach from the NE Gulf to
central Bay of Campeche by late Thu. 

Gulf of Mexico N of 26N W of 87W

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

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

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.TONIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED...NE winds less than 10 kt, shifting to N in the afternoon.
Seas 3 to 4 ft. 
.WED NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft.
.THU...N winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 

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

.THIS AFTERNOON...SE winds less than 10 kt within 60 nm of coast
of Veracruz, and SE 10 to 15 kt elsewhere. Seas 3 to 4 ft. 
.TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 5 ft. 
.TUE...Within 60 nm of coast of Veracruz, SE winds 10 to 15 kt,
diminishing to less than 10 kt in the afternoon. Elsewhere, E
winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...E winds less than 10 kt within 60 nm of coast of
Veracruz, and NE 10 to 15 kt elsewhere. Seas 3 to 4 ft. 
.WED...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft. 
.WED NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft.
.THU...N winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. 

Gulf of Mexico E of 87W

.THIS AFTERNOON...E winds less than 10 kt. Seas 2 ft or less. 
.TONIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less, building to 3 ft after
midnight. 
.TUE...NE 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. 
.TUE NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. 
.WED...NE winds less than 10 kt. Seas 2 ft or less. 
.WED NIGHT...N winds less than 10 kt. Seas 2 ft or less,
building to 3 to 4 ft after midnight. 
.THU...NE winds less than 10 kt. Seas 3 to 4 ft. 
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft.