000
FZNT32 KNHC 050934
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
534 AM EDT Tue Sep 5 2017

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 surface low has developed near 21.5N96W 1012 mb
and is along a low level NNW to SSE orientated trough across the
W-Central and SW Gulf waters. The low is expected to drift SE
along the trough through Thu and then meander, possibly
developing into a tropical cyclone. A weak cold front will sink
SE across the NW and N Gulf Thu through Fri then drift NW Sat.
Hurricane Irma is forecast to approach the Straits of Florida
Fri night, and reach near 24.0N 81.0W Sat night as a major
hurricane. 

Gulf of Mexico N of 26N W of 87W

.TODAY...E winds less than 10 kt. Seas 2 ft or less. 
.TONIGHT...E winds less than 10 kt. Seas 2 ft or less. 
.WED...NE winds less than 10 kt, increasing to 10 to 20 kt in
the afternoon. Seas 2 ft or less. 
.WED NIGHT...NE winds 15 to 25 kt. Seas 2 ft or less, building
to 3 to 4 ft after midnight. 
.THU...NE winds 15 to 25 kt. Seas 3 to 5 ft. 
.THU NIGHT...NE winds 15 to 25 kt. Seas 4 to 6 ft. 
.FRI...NE winds 15 to 25 kt. Seas 4 to 6 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT...NE winds 15 to 20 kt. Seas 4 to 6 ft. 

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

.TODAY...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.WED...E winds 15 to 25 kt. Seas 3 ft in the morning, subsiding
to 2 ft or less. 
.WED NIGHT...NE winds 15 to 25 kt. Seas 2 ft or less. 
.THU...E winds 15 to 25 kt. Seas 3 to 5 ft. 
.THU NIGHT...NE winds 15 to 25 kt. Seas 3 to 5 ft. 
.FRI...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT...NE winds 10 to 20 kt. Seas 3 to 5 ft. 

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

.TODAY...SE winds 10 to 20 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less. 
.TONIGHT...E winds 10 to 20 kt. Seas 2 ft or less. 
.WED...S winds 10 to 20 kt. Seas 2 ft or less. 
.WED NIGHT...NW winds 15 to 25 kt within 60 nm of coast of
Veracruz, and N 10 to 20 kt elsewhere. Seas 3 to 5 ft within
60 nm of coast of Veracruz, and 2 ft or less elsewhere. 
.THU...NW winds 15 to 25 kt within 60 nm of coast of Veracruz,
and SE 15 to 25 kt elsewhere. Within 60 nm of coast of Veracruz,
seas 3 to 5 ft. Elsewhere, seas 2 ft or less, building to 3 ft
in the afternoon. 
.THU NIGHT...NW winds 20 to 30 kt within 60 nm of coast of
Veracruz, and N 15 to 25 kt elsewhere. Seas 4 to 6 ft within
60 nm of coast of Veracruz, and 3 to 4 ft elsewhere. 
.FRI...NW winds 15 to 25 kt within 60 nm of coast of Veracruz,
and E 15 to 25 kt elsewhere. Seas 3 to 5 ft. 
.FRI NIGHT...NW winds 15 to 25 kt within 60 nm of coast of
Veracruz, and N 15 to 25 kt elsewhere. Seas 3 to 5 ft. 
.SAT...N winds 10 to 20 kt. Seas 3 to 5 ft. 

Gulf of Mexico E of 87W

.TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 2 ft or less. 
.TONIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less. 
.WED...E winds less than 10 kt. Seas 2 ft or less. 
.WED NIGHT...N winds less than 10 kt, becoming NE 10 to 20 kt
after midnight. Seas 2 ft or less. 
.THU...NE winds 10 to 20 kt. Seas 2 ft or less. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 2 ft or less, building
to 3 ft after midnight. 
.FRI...NE winds 10 to 20 kt. Seas 3 to 4 ft. 
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SAT...HURRICANE CONDITIONS POSSIBLE.