000
FZNT32 KNHC 180336
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1136 PM 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 over the Caribbean Sea near
18.4N 79.2W 1000 mb at 11 PM EDT moving W at 12 kt. Maximum
sustained winds 50 kt gusts 60 kt. Grace will move to near 18.9N
81.5W early Wed morning, then strengthen to a hurricane near
19.5N 84.7W Wed evening with maximum sustained winds 75 kt gusts
90 kt. Grace will move inland the Yucatan Peninsula near 20.0N
87.8W early Thu, and weaken to a tropical storm near 20.4N 90.7W
Thu evening with maximum sustained winds 50 kt gusts 60 kt, re-
strengthen to a hurricane near 20.7N 93.2W early Fri with
maximum sustained winds 65 kt gusts 80 kt, reach to near 20.8N
95.6W Fri evening and weaken to a tropical storm while moving
inland near 20.7N 100.1W late Sat. Winds and seas will begin to
increase across the southeastern Gulf ahead of Grace on Wed.
These conditions will shift to west of 90W Thu through late Fri
night. 

Gulf of Mexico N of 26N W of 87W

.OVERNIGHT...SE winds 10 to 15 kt. 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 5 to 7 ft. 
.FRI...SE winds 10 to 20 kt. Seas 6 to 9 ft. 
.FRI NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT...SE winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. 

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

...TROPICAL STORM WARNING...

.OVERNIGHT...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 late. Seas 6 to 8 ft, building
to 8 to 12 ft late.
.THU...TROPICAL STORM CONDITIONS POSSIBLE. E winds 20 to 30 kt.
Seas 9 to 14 ft. 
.THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 30 to
40 kt. Seas 10 to 15 ft between 87W and 94W, and 6 to 8 ft W of
94W.
.FRI...HURRICANE CONDITIONS POSSIBLE. 
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. 

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

...TROPICAL STORM WARNING...

.OVERNIGHT...E 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. 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...TROPICAL STORM CONDITIONS EXPECTED. Within 60 nm of
coast of Veracruz, E winds 10 to 15 kt, shifting to NE in the
afternoon. Elsewhere, NE winds 30 to 40 kt. Seas 6 to 9 ft. 
.THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N winds less
than 10 kt within 60 nm of coast of Veracruz, and N 45 to 55 kt
elsewhere. Seas 5 to 7 ft within 60 nm of coast of Veracruz, and
9 to 14ft elsewhere. 
.FRI...HURRICANE CONDITIONS POSSIBLE. 
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SAT...HURRICANE CONDITIONS POSSIBLE. 
.SAT NIGHT...SE winds 15 to 25 kt within 60 nm of coast of
Veracruz, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. 
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. 

Gulf of Mexico E of 87W

.OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.WED...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE S OF 24N. E 
winds 20 to 30 kt. Seas 9 to 13 ft. FROM 24N TO 27N E to SE 
winds 10 to 20 kt. Seas 5 to 7 ft. N of 27N, SE winds 10 to
15 kt. Seas 4 to 6 ft.
.THU...TROPICAL STORM CONDITIONS POSSIBLE S OF 24N W OF 
86W. SE winds 20 to 30 kt. Seas 8 to 12 ft. Elsewhere,
S of 26N E to SE winds 15 to 20 kt. Seas 5 to 8 ft. N of
26N E to SE winds10 to 15 kt. Seas 5 to 7 ft.
.THU NIGHT...S of 25N W of 85W E to SE winds 15 to 25 kt.
Seas 8 to 11 ft. Elsewhere, E to SE winds 10 to 15 kt. Seas 
3 to 5 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 to 5 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.