000
FZNT32 KNHC 091509
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1109 AM EDT Sat Sep 9 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...The remnant low of former Tropical Storm Katia is
centered just inland Mexico near 20.0N 97.9W 1004 mb at 11 AM
EDT moving WSW at 2 kt. Maximum winds 30 kt with gusts to 40 kt.
The low will dissipate by early this evening. Major Hurricane
Irma currently along the N central coast of Cuba is forecast to
enter the eastern Straits of Florida this afternoon, reach near
23.4N 80.7W early tonight, then turn NW into the Gulf of Mexico
to near 24.5N 81.6W by early Sunday, and track northward over
the Florida peninsula during the rest of Sunday and Sunday
night. Irma will bring tropical storm force and hurricane force
winds to the eastern portions of the Straits of Florida and
Florida Bay and far SE Gulf late this afternoon and through late
today into Sunday. Tropical storm and hurricane conditions will
spread northward along the far eastern Gulf through early Monday
afternoon, before lifting N of the Gulf Monday night. 

Gulf of Mexico N of 26N W of 87W

.THIS AFTERNOON...NE winds 15 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. 
.SUN...NE winds 15 to 25 kt. Seas 7 to 10 ft. 
.SUN NIGHT...NE winds 20 to 30 kt. Seas 8 to 11 ft. 
.MON...N winds 15 to 25 kt. Seas 8 to 11 ft. 
.MON NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. 
.TUE...NW winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED...SW winds 10 to 15 kt. Seas 2 ft or less. 

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

.THIS AFTERNOON...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.TONIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. 
.SUN...N winds 15 to 25 kt. Seas 7 to 10 ft. 
.SUN NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. 
.MON...N winds 10 to 20 kt. Seas 7 to 10 ft. 
.MON NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft. 
.TUE...NW winds less than 10 kt. Seas 5 to 7 ft.
.TUE NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft. 
.WED...SW winds less than 10 kt. Seas 3 to 4 ft. 

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

.THIS AFTERNOON...NE winds less than 10 kt. Seas 3 to 5 ft. 
.TONIGHT...N winds 10 to 15 kt. Seas 3 ft. 
.SUN...N winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...N winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE...NW winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft. 
.WED...SW winds less than 10 kt. Seas 3 to 4 ft. 

Gulf of Mexico E of 87W

...HURRICANE WARNING...
...HURRICANE CONDITIONS POSSIBLE MON AND MON NIGHT...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS. NE winds 50 to
60 kt. S of 25N, seas 10 to 13 ft, building to 12 to 19 ft in 
the afternoon. N of 25N, seas 7 to 9 ft.
.TONIGHT...HURRICANE CONDITIONS EXPECTED. N winds 80 to 100 kt.
Seas 8 to 11 ft, building to 10 to 15 ft after midnight. 
.SUN...TROPICAL STORM CONDITIONS EXPECTED. N winds 75 to 85 kt,
diminishing to 60 to 70 kt in the afternoon. Seas 13 to 18 ft. 
.SUN NIGHT...TROPICAL STORM CONDITIONS EXPECTED. N winds 60 to
70 kt, becoming NW 50 to 60 kt after midnight. Seas 13 to 18 ft.
.MON...HURRICANE CONDITIONS POSSIBLE. NW winds 45 to 55 kt.
Seas 11 to 16 ft. 
.MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.TUE...W winds 10 to 20 kt. Seas 5 to 7 ft. 
.TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED...SW winds 10 to 15 kt. Seas 3 to 4 ft.