000
FZNT32 KNHC 210320
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1120 PM EDT Fri Aug 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...Hurricane Grace near 20.7N 96.3W 967 mb at 11 PM EDT 
moving W at 9 kt. Maximum sustained winds 105 kt gusts 115 kt. 
Grace will move inland to 20.3N 97.9W Sat morning, move inland 
and weaken to a tropical storm near 20.0N 100.9W Sat evening, 
and dissipate Sun morning. High pressure will build in the wake 
of Grace and prevail through early next week. 

Gulf of Mexico N of 26N W of 87W

.OVERNIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft. 
.SAT NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. 
.SUN...E winds less than 10 kt. Seas 3 to 5 ft. 
.SUN NIGHT...SE winds less than 10 kt. Seas 3 ft.
.MON...SE winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 2 ft or less. 
.MON NIGHT...SE winds less than 10 kt. Seas 2 ft or less. 
.TUE...E winds less than 10 kt. Seas 2 ft or less. 
.TUE NIGHT...E winds less than 10 kt, shifting to SE after
midnight. Seas 2 ft or less. 
.WED...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft
in the afternoon. 
.WED NIGHT...SE winds 10 to 15 kt. Seas 3 ft. 

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

...TROPICAL STORM WARNING...

.OVERNIGHT...TROPICAL STORM CONDITIONS. E winds 30 to 40 kt.
Seas 7 to 10 ft. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt, 
diminishing to 15 to 25 kt in the afternoon. Seas 6 to 9 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. 
.MON...E winds less than 10 kt. Seas 3 to 4 ft. 
.MON NIGHT...E winds less than 10 kt. Seas 3 ft. 
.TUE...E winds less than 10 kt. Seas 3 ft. 
.TUE NIGHT...E winds less than 10 kt. Seas 3 ft. 
.WED...E winds less than 10 kt. Seas 3 to 4 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 

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

...HURRICANE WARNING...

.OVERNIGHT...HURRICANE CONDITIONS. Within 60 nm of coast of
Veracruz, E winds 80 to 105 kt,Seas 17 to 32 ft. Elsewhere, SE 
winds 65 to 80 kt, diminishing to 45 to 55 kt after midnight. 
Seas 9 to 14 ft, subsiding to 8 to 11 ft after midnight. 
.SAT...TROPICAL STORM CONDITIONS EXPECTED. Within 60 nm of coast 
of Veracruz, SE winds 60 to 70 kt, diminishing to 15 to 25 kt in 
the afternoon. Seas 11 to 16 ft, subsiding to 7 to 10 ft in the 
afternoon. Elsewhere, SE winds 25 to 35 kt, becoming E 15 to 25 
kt in the afternoon,Seas 6 to 8 ft. 
.SAT NIGHT...E winds 10 to 20 kt within 60 nm of coast of 
Veracruz, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. 
.SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...E winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building
to 3 ft after midnight. 
.TUE...E winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 2 ft or less. 
.TUE NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building
to 3 ft after midnight. 
.WED...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 2 ft or less. 
.WED NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 to 4 ft after midnight. 

Gulf of Mexico E of 87W

.OVERNIGHT...NE winds less than 10 kt. Seas 3 ft. 
.SAT...E 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. 
.SUN...E winds less than 10 kt. Seas 3 ft. 
.SUN NIGHT...E winds less than 10 kt. Seas 3 ft. 
.MON...E winds less than 10 kt. Seas 3 ft. 
.MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft. 
.TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.