000
FZNT32 KNHC 182059
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
459 PM EDT Wed Aug 18 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 19.7N 83.7W 992 mb at 5 PM EDT
moving WNW at 14 kt. Maximum sustained winds 70 kt gusts 85 kt.
Grace will move to 20.2N 86.1W Thu morning, move inland and
weaken to a tropical storm near 20.7N 89.3W Thu afternoon, 20.9N
92.2W Fri morning, strengthen to a hurricane near 20.8N 94.6W
Fri afternoon, inland to 20.4N 97.3W Sat morning, and move
inland and weaken to a tropical depression near 20.0N 99.9W Sat
afternoon. Winds and seas will begin to increase across the
southeastern Gulf ahead of Grace tonight. These conditions will
shift to west of 90W Thu through late Fri night. 

Gulf of Mexico N of 26N W of 87W

.TONIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. 
.THU...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.THU NIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft. 
.FRI...SE winds 15 to 25 kt. Seas 6 to 9 ft. 
.FRI NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...NE winds less than 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less. 

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

...TROPICAL STORM WARNING...

.TONIGHT...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 EXPECTED. E winds 30 to
40 kt. Seas 8 to 11 ft. 
.FRI...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt.
Seas 8 to 11 ft. 
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 30 to
40 kt. Seas 8 to 13 ft. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.SUN...E winds 15 to 25 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft. 

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

...HURRICANE WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to
15 kt within 60 nm of coast of Veracruz, and NE 20 to 30 kt
elsewhere. 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 35 to 45 kt. Seas 3 to 4 ft
within 60 nm of coast of Veracruz, and 4 to 6 ft elsewhere. 
.THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. Within 60 nm
of coast of Veracruz, NE winds less than 10 kt, shifting to N
after midnight. Elsewhere, NE winds 45 to 60 kt. Seas 3 ft
within 60 nm of coast of Veracruz, and 7 to 10 ft elsewhere. 
.FRI...TROPICAL STORM CONDITIONS EXPECTED. NW winds 15 to 25 kt
within 60 nm of coast of Veracruz, and SE 55 to 70 kt elsewhere.
Within 60 nm of coast of Veracruz, seas 3 to 5 ft, building to
7 to 10 ft in the afternoon. Elsewhere, seas 10 to 15 ft. 
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. Within 60 nm of
coast of Veracruz, NW winds 60 to 70 kt, shifting to SE after
midnight. Elsewhere, SE winds 60 to 70 kt, diminishing to 35 to
45 kt after midnight. Seas 12 to 17 ft within 60 nm of coast of
Veracruz, and 9 to 14 ft elsewhere. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SAT NIGHT...SE winds 15 to 25 kt within 60 nm of coast of
Veracruz, and E 15 to 25 kt elsewhere. Within 60 nm of coast of
Veracruz, seas 7 to 10 ft, subsiding to 5 to 7 ft after
midnight. Elsewhere, seas 4 to 6 ft. 
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...NE winds 10 to 15 kt within 60 nm of coast of
Veracruz, and NE 15 to 25 kt elsewhere. Seas 3 to 5 ft. 
.MON...NE winds 10 to 20 kt. Seas 3 to 5 ft. 

Gulf of Mexico E of 87W

...TROPICAL STORM WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 20 to
30 kt. Seas 4 to 6 ft. 
.THU...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt,
diminishing to 20 to 30 kt in the afternoon. Seas 6 to 9 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...NE winds 10 to 15 kt. Seas 3 to 4 ft in the
evening, subsiding to 2 ft or less. 
.SAT...E winds 10 to 15 kt. Seas 2 ft or less. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 2 ft or less. 
.SUN...E winds 10 to 15 kt. Seas 2 ft or less. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. 
.MON...E winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 ft or less.