000
FZNT32 KNHC 190320
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1120 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 19.8N 85.6W 988 mb at 11 PM EDT
moving W at 16 kt. Maximum sustained winds 70 kt gusts 85 kt.
Grace will move inland to 20.3N 88.1W Thu morning, weaken to a
tropical storm near 20.6N 91.4W Thu evening, strengthen to a
hurricane near 20.7N 94.0W Fri morning, 20.5N 96.1W Fri evening,
move inland and weaken to a tropical storm near 20.0N 98.8W Sat
morning, and move inland and weaken to a tropical depression
near 19.7N 101.6W Sat evening. Grace will dissipate late Sun.
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

.OVERNIGHT...SE winds 10 to 20 kt. Seas 3 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 6 to 8 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 4 ft. 
.MON...NE winds less than 10 kt. Seas 3 to 4 ft. 

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

...TROPICAL STORM WARNING...

.OVERNIGHT...E winds 20 to 30 kt. 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. E winds 25 to
35 kt. Seas 7 to 10 ft. 
.FRI...TROPICAL STORM CONDITIONS EXPECTED. E winds 25 to 35 kt.
Seas 8 to 11 ft. 
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to
35 kt. Seas 8 to 11 ft. 
.SAT...E winds 20 to 30 kt. Seas 7 to 10 ft. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. 
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 4 ft. 

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

...HURRICANE WARNING...

.OVERNIGHT...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 30 to 40 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. N winds less
than 10 kt within 60 nm of coast of Veracruz, and NE 55 to 65 kt
elsewhere. Seas 3 ft within 60 nm of coast of Veracruz, and 7 to
10 ft elsewhere. 
.FRI...HURRICANE CONDITIONS EXPECTED. Within 60 nm of coast of
Veracruz, NW winds 10 to 20 kt, increasing to 35 to 45 kt in the
afternoon,Seas 3 to 4 ft, building to 6 to 8 ft in the
afternoon. Elsewhere, SE winds 55 to 70 kt,Seas 9 to 14 ft. 
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. Within 60 nm of
coast of Veracruz, NW winds 60 to 70 kt, shifting to SE 55 to
65 kt after midnight,Seas 12 to 17 ft. Elsewhere, SE winds 60 to
70 kt, diminishing to 25 to 35 kt after midnight,Seas 9 to
14 ft, subsiding to 8 to 11 ft after midnight. 
.SAT...SE winds 20 to 30 kt. Within 60 nm of coast of Veracruz,
seas 10 to 15 ft, subsiding to 7 to 10 ft in the afternoon.
Elsewhere, 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 5 to 7 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 4 ft. 
.MON...NE winds 10 to 20 kt. Seas 3 to 4 ft. 

Gulf of Mexico E of 87W

.OVERNIGHT...SE winds 20 to 30 kt. Seas 4 to 6 ft. 
.THU...E winds 20 to 30 kt. Seas 6 to 9 ft. 
.THU NIGHT...E winds 15 to 25 kt. Seas 5 to 7 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. 
.SAT...E winds 10 to 15 kt. Seas 3 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft. 
.SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...E winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 3 to 4 ft.