000
FZNT32 KNHC 171513
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1113 AM EDT Tue Aug 17 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...Tropical Storm Grace near 18.3N 76.8W 1005 mb at
11 AM EDT moving W at 13 kt. Maximum sustained winds 45 kt gusts
55 kt. Grace will move to 18.8N 79.0W this evening, strengthen
to a hurricane near 19.2N 82.2W Wed morning, 19.7N 85.3W Wed
evening, inland to 20.4N 88.3W Thu morning, weaken to a tropical
storm near 20.9N 91.3W Thu evening, and strengthen to a hurricane
near 21.1N 94.0W Fri morning. Grace will move inland near 21.5N 
98.5W early Sat. Grace is forecast to approach the Yucatan 
peninsula of Mexico late Wednesday or early Thursday. Fresh to 
strong easterly winds on the northern periphery of Grace are 
expected over the southeastern Gulf waters from Tue night through
Wed night. 

Gulf of Mexico N of 26N W of 87W

.THIS AFTERNOON...S winds less than 10 kt. Seas 3 to 4 ft. 
.TONIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft. 
.WED...SE winds 10 to 15 kt. Seas 3 ft. 
.WED NIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. 
.THU...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU NIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. 
.FRI...SE winds 10 to 20 kt. Seas 6 to 9 ft. 
.FRI NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT...SE winds 10 to 20 kt. Seas 5 to 7 ft. 

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

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 ft. 
.TONIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. 
.WED...SE winds 10 to 20 kt. Seas 3 to 4 ft. 
.WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to
20 kt, increasing to 20 to 30 kt after midnight. Seas 4 to 6 ft.
.THU...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt.
Seas 7 to 10 ft. 
.THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.FRI...TROPICAL STORM CONDITIONS POSSIBLE. 
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. 

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

...TROPICAL STORM WARNING...

.THIS AFTERNOON...Variable winds less than 10 kt within 60 nm of
coast of Veracruz, and SE 10 to 15 kt elsewhere. Seas 2 ft or
less. 
.TONIGHT...Within 60 nm of coast of Veracruz, E winds less than
10 kt, shifting to SE after midnight. Elsewhere, E winds 10 to
20 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. 
.WED...SE winds 10 to 20 kt. Seas 3 to 4 ft. 
.WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Within 60 nm
of coast of Veracruz, E winds 10 to 15 kt. Elsewhere, NE winds
10 to 20 kt, becoming E 20 to 30 kt after midnight. Seas 3 to
5 ft. 
.THU...HURRICANE CONDITIONS POSSIBLE. Within 60 nm of coast of
Veracruz, E winds 10 to 15 kt, shifting to NE in the afternoon.
Elsewhere, E winds 20 to 30 kt, becoming NE 35 to 45 kt in the
afternoon. Seas 3 to 4 ft within 60 nm of coast of Veracruz, and
5 to 7 ft elsewhere. 
.THU NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.FRI...HURRICANE CONDITIONS POSSIBLE. 
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. 

Gulf of Mexico E of 87W

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 20 to
30 kt. Seas 4 to 6 ft. 
.THU...TROPICAL STORM CONDITIONS POSSIBLE. E winds 20 to 30 kt.
Seas 5 to 7 ft. 
.THU NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. 
.FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT...E winds 10 to 15 kt. Seas 3 ft.