000
FZNT32 KNHC 310306
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1106 PM EDT Wed Aug 30 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 33.0N 80.0W at 11 PM
EDT, and is moving northeast at 18 kt. Maximum sustained winds
are 50 kt with gusts to 60 kt, and the minimum central pressure
is 987 mb. Conditions across the eastern Gulf continue to
improve as Idalia moves farther away from the basin, with
moderate to locally fresh winds and slight to moderate seas.
High pressure and the improved conditions will persist through
the upcoming weekend. 

Gulf of Mexico N of 26N W of 87W

.OVERNIGHT...E winds less than 10 kt. Seas 4 to 6 ft. 
.THU...N winds less than 10 kt. Seas 3 to 4 ft. 
.THU NIGHT...SE winds less than 10 kt. Seas 3 ft in the evening,
subsiding to 2 ft or less. 
.FRI...S winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 2 ft or less, building to 3 ft in the
afternoon. 
.FRI NIGHT...SE winds less than 10 kt, shifting to S after
midnight. Seas 3 ft in the evening, subsiding to 2 ft or less. 
.SAT...S winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 2 ft or less. 
.SAT NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less, building to 3 ft after
midnight. 
.SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft. 
.SUN NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft in the evening, subsiding to 2 ft or
less. 
.MON...SE winds 10 to 15 kt. Seas 2 ft or less. 
.MON NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 to 4 ft after midnight. 

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

.OVERNIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. 
.THU...W winds less than 10 kt. Seas 3 to 4 ft. 
.THU NIGHT...E winds less than 10 kt, shifting to SE after
midnight. Seas 3 to 4 ft. 
.FRI...S winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI NIGHT...E winds less than 10 kt, shifting to SE after
midnight. Seas 2 ft or less, building to 3 to 4 ft after
midnight. 
.SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. 
.SUN...SE winds 10 to 15 kt, shifting to E in the afternoon.
Seas 3 to 4 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 

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

.OVERNIGHT...Variable winds less than 10 kt. Seas 2 ft or less. 
.THU...W winds less than 10 kt. Seas 2 ft or less. 
.THU NIGHT...Variable winds less than 10 kt. Seas 2 ft or less,
building to 3 ft after midnight. 
.FRI...S winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 2 ft or less. 
.FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. 
.SAT...E winds less than 10 kt. Seas 3 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 ft after midnight. 
.SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 to 4 ft after midnight. 

Gulf of Mexico E of 87W

.OVERNIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...SW winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. 
.FRI...S winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft. 
.FRI NIGHT...NW winds less than 10 kt, shifting to E 10 kt after
midnight. Seas 3 ft in the evening, subsiding to 2 ft or less. 
.SAT...E winds less than 10 kt. Seas 3 ft. 
.SAT NIGHT...NE winds less than 10 kt. Seas 3 ft. 
.SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.