000
FZNT32 KNHC 212001
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
401 PM EDT Sat Oct 21 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 cold front extends from northern Florida across
the N part of the Gulf to the upper Texas coast. The front will
move southward tonight while weakening. Another cold front will
move through the NE Gulf late Sun through Mon. High pressure
building in the wake of the front will support moderate to fresh
E to SE winds and building seas Sun night through the middle of
next week. Winds will further increase to fresh to strong speeds
across most of the Gulf waters by Tue night into Wed as high
pressure strengthens. 

Gulf of Mexico N of 26N W of 87W

.TONIGHT...Variable winds less than 10 kt, becoming S less than
10 kt after midnight. Seas 2 ft or less. 
.SUN...SE winds less than 10 kt. Seas 2 ft or less.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 3 ft. 
.MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE...SE winds 15 to 20 kt. Seas 4 to 6 ft. 
.TUE NIGHT...SE winds 15 to 20 kt. Seas 5 to 7 ft. 
.WED...SE winds 15 to 20 kt. Seas 6 to 8 ft. 
.WED NIGHT...SE winds 15 to 20 kt. Seas 6 to 8 ft. 
.THU...SE winds 10 to 20 kt. Seas 6 to 7 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. 

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

.TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less. 
.SUN...SE winds 10 to 15 kt. Seas 2 ft or less. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED...SE winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.THU...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 

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

.TONIGHT...Within 60 nm of coast of Veracruz, SE winds 10 to
15 kt. Elsewhere, E winds less than 10 kt, increasing to 10 to
15 kt after midnight. Seas 2 ft or less. 
.SUN...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft
in the afternoon. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 2 ft or less, building to
3 to 4 ft after midnight. 
.MON...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 

Gulf of Mexico E of 87W

.TONIGHT...N winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 3 ft. 
.SUN...NE winds less than 10 kt. Seas 2 ft or less.
.SUN NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less. 
.MON...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft
in the afternoon. 
.MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE...E winds 15 to 20 kt. Seas 4 to 6 ft. 
.TUE NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. 
.WED...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.