000
FZNT32 KNHC 201547
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1147 AM EDT Thu Aug 20 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 Depression Thirteen near 16.0N 52.0W
1008 mb at 11 AM EDT moving WNW at 18 kt. Maximum sustained
winds 30 kt gusts 40 kt. Thirteen will strengthen to a tropical
storm near 17.0N 54.7W this evening, move to 18.0N 58.3W Fri
morning, 18.9N 61.6W Fri evening, 19.6N 64.7W Sat morning, 20.4N
68.1W Sat evening, and 21.5N 71.8W Sun morning. Thirteen will
strengthen to a hurricane near 24.0N 78.6W by early Mon.

Tropical Depression Fourteen near 15.1N 79.7W 1007 mb at 11 AM
EDT moving W at 18 kt. Maximum sustained winds 30 kt gusts
40 kt. Fourteen will strengthen to a tropical storm near 15.5N
81.9W this evening, move to 16.3N 84.2W Fri morning, 17.1N 85.5W
Fri evening, 18.4N 86.4W Sat morning, 19.9N 87.4W Sat evening,
and 21.5N 88.9W Sun morning. Fourteen will change little in
intensity as it moves to near 25.0N 92.0W by early Mon. 

Gulf of Mexico N of 26N W of 87W

.THIS AFTERNOON...W winds less than 10 kt. Seas 2 ft or less. 
.TONIGHT...SW winds less than 10 kt, shifting to S after
midnight. Seas 2 ft or less. 
.FRI...SW winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 2 ft or less. 
.FRI NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less. 
.SAT...SE winds 10 to 15 kt. Seas 2 ft or less. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less, building
to 3 to 4 ft after midnight. 
.SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON...TROPICAL STORM CONDITIONS POSSIBLE. 

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

.THIS AFTERNOON...SW winds less than 10 kt. Seas 2 ft or less. 
.TONIGHT...E winds less than 10 kt, shifting to SE after
midnight. Seas 2 ft or less. 
.FRI...S winds less than 10 kt. Seas 2 ft or less. 
.FRI NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less, building
to 3 ft after midnight. 
.SAT...SE winds 10 to 20 kt. Seas 3 ft. 
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON...TROPICAL STORM CONDITIONS POSSIBLE. 

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

.THIS AFTERNOON...Variable winds less than 10 kt. Seas 2 ft or
less. 
.TONIGHT...E winds less than 10 kt. Seas 2 ft or less. 
.FRI...SE winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...Within 60 nm of coast of Veracruz, E winds less
than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere,
E winds 10 to 15 kt. Seas 2 ft or less. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. Within 60 nm of
coast of Veracruz, SE winds less than 10 kt in the morning,
becoming variable winds less than 10 kt. Elsewhere, E winds
10 to 20 kt. Seas 2 ft or less. 
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON...Within 60 nm of coast of Veracruz, NW winds less than
10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, SE
winds 10 to 15 kt, shifting to N in the afternoon. Seas 2 ft or
less. 

Gulf of Mexico E of 87W

.THIS AFTERNOON...S winds less than 10 kt. Seas 2 ft or less. 
.TONIGHT...S winds less than 10 kt, shifting to SE after
midnight. Seas 2 ft or less. 
.FRI...SE winds 10 to 15 kt. Seas 2 ft or less. 
.FRI NIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. 
.SAT...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON...HURRICANE CONDITIONS POSSIBLE.