000
FZNT32 KNHC 121524
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1124 AM EDT Thu Oct 12 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...A 1002 mb low over the Florida Panhandle and
associated cold front extending to the central Gulf will move to
W Atlantic waters this afternoon and S to SW fresh to strong
winds over the E Gulf will diminish to gentle to moderate speeds
this afeternoon. Scattered to numerous strong thunderstorms will
also move E of the NE basin. High pressure across the Atlantic
will build modestly westward into the eastern Gulf Fri through
early Sat, before the next cold front moves into the NW Gulf Sat
morning and across the entire basin by Sun evening. 

Gulf of Mexico N of 26N W of 87W

.THIS AFTERNOON...N winds 10 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds less than 10 kt. Seas 4 to 6 ft. 
.FRI...E winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 3 to 4 ft. 
.FRI NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. 
.SAT...N winds less than 10 kt, increasing to 10 to 20 kt in the
afternoon. Seas 3 to 5 ft. 
.SAT NIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN...N winds 15 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...N winds 15 to 20 kt. Seas 5 to 7 ft. 
.MON...N winds 15 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. 

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

.THIS AFTERNOON...SW winds less than 10 kt. Seas 4 to 6 ft. 
.TONIGHT...SE winds less than 10 kt. Seas 3 to 5 ft.
.FRI...SE winds less than 10 kt. Seas 3 to 5 ft. 
.FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.SAT...NE winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 3 to 4 ft. 
.SAT NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN...N winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. 

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

.THIS AFTERNOON...SW winds less than 10 kt. Seas 2 ft or less,
building to 3 ft in the afternoon. 
.TONIGHT...NW winds less than 10 kt, shifting to SE after
midnight. Seas 3 to 4 ft. 
.FRI...S winds less than 10 kt. Seas 3 to 4 ft. 
.FRI NIGHT...NE winds less than 10 kt. Seas 3 ft in the evening,
subsiding to 2 ft or less. 
.SAT...N winds less than 10 kt. Seas 2 ft or less. 
.SAT NIGHT...N winds 10 to 15 kt. Seas 2 ft or less, building to
3 to 4 ft after midnight. 
.SUN...N winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. 

Gulf of Mexico E of 87W

.THIS AFTERNOON...SW winds 10 to 20 kt. Seas 6 to 9 ft. 
.TONIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI...SW winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. 
.SAT...W winds less than 10 kt. Seas 3 ft. 
.SAT NIGHT...W 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...NW winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...NW winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft.