000
FZNT32 KNHC 272117
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
517 PM EDT Sun Aug 27 2023

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 Idalia is near 20.1N 85.5W at 5 PM
EDT, moving northeast at 3 kt. Maximum sustained winds are 35 kt
with gusts to 45 kt. Minimum central pressure is 995 mb. Idalia
will move to near 20.5N 85.3W Mon morning, then strengthen
steadily and reach near 21.7N 85.0W Mon afternoon, strengthen to
a hurricane near 23.4N 84.9W Tue morning, reach near 25.6N 84.5W
Tue afternoon, to near 28.7N 83.7W Wed morning, and move inland
across northern Florida and weaken to a tropical storm near
31.3N 81.9W Wed afternoon. High pressure and improving
conditions will arrive in the wake of Idalia late in the week. 

Gulf of Mexico N of 26N W of 87W

.TONIGHT...N winds 10 to 15 kt, shifting to SW after midnight.
Seas 2 ft or less, building to 3 ft after midnight. 
.MON...N winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft
in the afternoon. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 ft. 
.TUE...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 10 to
15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N winds 10 to
20 kt. Seas 5 to 7 ft. 
.WED...N winds 10 to 20 kt. Seas 6 to 8 ft. 
.WED NIGHT...N winds less than 10 kt, shifting to SE after
midnight. Seas 4 to 6 ft. 
.THU...S winds less than 10 kt, shifting to E in the afternoon.
Seas 3 to 5 ft. 
.THU NIGHT...SE winds 10 kt. Seas 3 ft. 
.FRI...SE winds 10 to 15 kt. Seas 3 ft. 

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

.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...N winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N winds 10 to
20 kt. Seas 3 to 5 ft. 
.TUE...TROPICAL STORM CONDITIONS POSSIBLE. NW winds 10 to
20 kt. Seas 4 to 6 ft. 
.TUE NIGHT...NW winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED...NW winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED NIGHT...NW winds 10 to 15 kt, shifting to S after midnight.
Seas 3 to 5 ft. 
.THU...SW winds 10 to 15 kt. Seas 3 to 4 ft. 
.THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI...S winds 10 to 15 kt. Seas 3 to 4 ft. 

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

.TONIGHT...N winds 10 to 20 kt. Seas 3 to 4 ft. 
.MON...NW winds 10 to 15 kt. Seas 3 ft. 
.MON NIGHT...Within 60 nm of coast of Veracruz, N winds 10 to
15 kt, shifting to NW after midnight. Elsewhere, N winds 10 to
20 kt. Seas 3 to 4 ft. 
.TUE...W winds less than 10 kt within 60 nm of coast of
Veracruz, and W 10 to 20 kt elsewhere. Seas 3 ft. 
.TUE NIGHT...Within 60 nm of coast of Veracruz, NE winds less
than 10 kt, shifting to S after midnight. Elsewhere, NW winds
10 to 15 kt, shifting to W after midnight. Seas 3 ft. 
.WED...W winds less than 10 kt. Seas 3 ft. 
.WED NIGHT...NW winds less than 10 kt, shifting to SW after
midnight. Seas 3 ft. 
.THU...W winds less than 10 kt. Seas 2 ft or less. 
.THU NIGHT...SE winds less than 10 kt within 60 nm of coast of
Veracruz, and E 10 to 15 kt elsewhere. Seas 2 ft or less. 
.FRI...E winds less than 10 kt within 60 nm of coast of
Veracruz, and SE 10 to 15 kt elsewhere. Seas 3 ft. 

Gulf of Mexico E of 87W

...HURRICANE WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to
20 kt. Seas 3 ft. 
.MON...TROPICAL STORM CONDITIONS POSSIBLE. E winds 15 to 25 kt,
increasing to 30 to 40 kt in the afternoon. Seas 4 to 6 ft. 
.MON NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 50 to
65 kt. Seas 6 to 9 ft. 
.TUE...TROPICAL STORM CONDITIONS EXPECTED. SE winds 60 to
70 kt. Seas 8 to 11 ft, building to 9 to 14 ft in the afternoon.
.TUE NIGHT...HURRICANE CONDITIONS POSSIBLE. SW winds 65 to
80 kt. Seas 12 to 17 ft. 
.WED...TROPICAL STORM CONDITIONS POSSIBLE. 
.WED NIGHT...SW winds 15 to 25 kt. Seas 6 to 9 ft. 
.THU...SW winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft.