000
FZNT32 KNHC 202145
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
545 PM EDT Sun Aug 20 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...Moderate to fresh winds prevail over the eastern
Gulf associated with a surface trough off the west coast of
Florida. Showers and thunderstorms have increased this afternoon
in association with with this trough. Additional development of
this system is possible as it moves westward at about 15 to
20 kt, and a tropical depression could form as it approaches the
western Gulf of Mexico coastline by Tuesday. This system has a
medium chance of development in 48 hours and 7 days. Regardless
of development, rough seas can be expected in the central and
western Gulf on Mon through Tue. 

Gulf of Mexico N of 26N W of 87W

.TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...E winds 15 to 25 kt. Seas 5 to 7 ft. 
.MON NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.TUE...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED...E winds less than 10 kt, shifting to NE in the afternoon.
Seas 3 to 5 ft. 
.WED NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 3 to 4 ft. 
.THU...E winds less than 10 kt. Seas 3 to 4 ft. 
.THU NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. 
.FRI...NE winds less than 10 kt. Seas 3 to 4 ft. 
.FRI NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. 

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

.TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 to 4 ft after midnight. 
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 

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

.TONIGHT...NE winds less than 10 kt. Seas 2 ft or less. 
.MON...NW winds 10 to 15 kt within 60 nm of coast of Veracruz,
and N less than 10 kt elsewhere. Seas 2 ft or less. 
.MON NIGHT...Within 60 nm of coast of Veracruz, N winds 10 to
15 kt, shifting to NW after midnight. Elsewhere, N winds less
than 10 kt, shifting to NE after midnight. Seas 2 ft or less. 
.TUE...NE winds less than 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI...NE winds 10 to 15 kt, shifting to N in the afternoon.
Seas 3 to 4 ft. 
.FRI NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. 

Gulf of Mexico E of 87W

.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.