000
FZNT32 KNHC 231516
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1116 AM EDT Sun Aug 23 2020

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 Marco near 24.7N 87.3W 993 mb at
11 AM EDT moving NNW at 12 kt. Maximum sustained winds 60 kt
gusts 75 kt. Marco will strengthen to a hurricane near 26.4N
88.1W this evening, move to 28.2N 89.1W Mon morning, move inland
and weaken to a tropical storm near 29.5N 90.4W Mon evening.
Marco will continue inland and weaken to a tropical depression
near 31.2N 93.8W by Tue evening, and to 31.8N 95.4W Wed morning.
Marco will dissipate early Thu. Tropical Storm Laura is over
Haiti near 19.2N 73.2W 1004 mb at 11 AM EDT moving WNW at 18 kt.
Maximum sustained winds 45 kt gusts 55 kt. Laura will move over
Cuba to 20.3N 76.0W this evening, 21.6N 79.9W Mon morning, to
22.9N 83.2W Mon evening before emerging into the southeast Gulf.
Laura will move to 24.1N 86.2W Tue morning, strengthen to a
hurricane near 25.3N 88.9W Tue evening, then move to 26.8N 91.4W
Wed morning. Laura is expected to make landfall over southwest
Louisiana Wed night or early Thu morning. Atlantic high pressure
will build westward over the eastern Gulf in the wake of Laura. 

Gulf of Mexico N of 26N W of 87W

...HURRICANE WARNING...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS EXPECTED. E winds
10 to 20 kt, increasing to 20 to 30 kt in the afternoon. Seas
4 to 6 ft. 
.TONIGHT...HURRICANE CONDITIONS EXPECTED. NE winds 55 to 65 kt. 
Seas 8 to 13 ft. 
.MON...TROPICAL STORM CONDITIONS EXPECTED. NE winds 55 to
65 kt, diminishing to 25 to 35 kt in the afternoon. Seas 8 to
13 ft, subsiding to 6 to 9 ft in the afternoon. 
.MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to
20 kt. Seas 5 to 7 ft. 
.TUE...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 25 to
35 kt. Seas 4 to 6 ft, building to 6 to 9 ft in the afternoon. 
.TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.WED...HURRICANE CONDITIONS POSSIBLE. 
.WED NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.THU...TROPICAL STORM CONDITIONS POSSIBLE. 

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

...TROPICAL STORM WARNING...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS. N winds 45 to
60 kt. Seas 5 to 7 ft. 
.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. N winds 50 to
60 kt, becoming NE 20 to 30 kt after midnight. Seas 5 to 7 ft. 
.MON...E winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 4 to 6 ft. 
.MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 10 to
20 kt. Seas 3 to 5 ft. 
.TUE...HURRICANE CONDITIONS POSSIBLE. NE winds 30 to 40 kt,
becoming N 45 to 55 kt in the afternoon. Seas 4 to 5 ft,
building to 6 to 8 ft in the afternoon. 
.TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.WED...HURRICANE CONDITIONS POSSIBLE. 
.WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. 

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

.THIS AFTERNOON...NW winds less than 10 kt within 60 nm of coast
of Veracruz, and NE 10 to 15 kt elsewhere. Seas 2 ft or less. 
.TONIGHT...N winds less than 10 kt within 60 nm of coast of
Veracruz, and N 10 to 15 kt elsewhere. Seas 2 ft or less. 
.MON...NW winds less than 10 kt. Seas 2 ft or less.
.MON NIGHT...Within 60 nm of coast of Veracruz, N winds 10 to
15 kt, diminishing to less than 10 kt after midnight. Elsewhere,
N winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft
after midnight. 
.TUE...Within 60 nm of coast of Veracruz, NW winds less than
10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, E
winds 10 to 15 kt, shifting to N in the afternoon. Seas 3 to
4 ft. 
.TUE NIGHT...Within 60 nm of coast of Veracruz, N winds 10 to
15 kt, diminishing to less than 10 kt after midnight. Elsewhere,
NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED...Within 60 nm of coast of Veracruz, Variable winds less
than 10 kt, becoming N less than 10 kt in the afternoon.
Elsewhere, E winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED NIGHT...Within 60 nm of coast of Veracruz, NE winds less
than 10 kt, shifting to E after midnight. Elsewhere, E winds
10 to 15 kt. Seas 3 to 5 ft. 
.THU...E winds 10 to 15 kt. Seas 3 to 5 ft. 

Gulf of Mexico E of 87W

...TROPICAL STORM WARNING...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS. SE winds 40 to
50 kt. Seas 6 to 9 ft. 
.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 20 to
30 kt. Seas 5 to 7 ft. 
.MON...TROPICAL STORM CONDITIONS EXPECTED. E winds 25 to 35 kt.
Seas 4 to 6 ft. 
.MON NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 40 to
50 kt. Seas 5 to 7 ft, building to 8 to 13 ft after midnight. 
.TUE...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 40 to
50 kt. Seas 11 to 16 ft. 
.TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.WED...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU...SE winds 10 to 20 kt. Seas 4 to 5 ft.