000
FZNT32 KNHC 090903
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
503 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...Tropical Storm Katia centered near 20.3N 97.5W
1001 mb at 5 AM EDT moving W at 2 kt. Maximum winds 35 kt with
gusts to 45 kt. Katia will dissipate inland through this
afternoon. Major Hurricane Irma is forecast to enter the eastern
Straits of Florida today, then turn northward across the Florida
peninsula tonight and Sunday, bringing tropical storm force and
hurricane force winds to eastern portions of the Straits of
Florida and Florida Bay and far SE Gulf late today into Sun.
Tropical storm and possible hurricane conditions will spread
north along the far eastern Gulf through Mon, improving rapidly
through Mon night. 

Gulf of Mexico N of 26N W of 87W

.TODAY...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

.TODAY...NE winds 10 to 20 kt. Seas 5 to 7 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

...TROPICAL STORM WARNING...

.TODAY...TROPICAL STORM CONDITIONS POSSIBLE. Within 60 nm of
coast of Veracruz, NE winds 30 to 40 kt, becoming N less than
10 kt in the afternoon. Elsewhere, NE winds 10 to 15 kt,
shifting to N in the afternoon. 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 20 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...

.TODAY...HURRICANE CONDITIONS. NE winds 35 to 45 kt, increasing
to 75 to 85 kt in the afternoon. Seas 6 to 9 ft.
.TONIGHT...HURRICANE CONDITIONS EXPECTED. N winds 90 to 110 kt.
Seas 8 to 11 ft, building to 10 to 15 ft after midnight. 
.SUN...HURRICANE CONDITIONS EXPECTED. N winds 65 to 80 kt. Seas
13 to 18 ft. 
.SUN NIGHT...HURRICANE CONDITIONS EXPECTED. NW winds 50 to
65 kt. Seas 13 to 18 ft. 
.MON...HURRICANE CONDITIONS POSSIBLE. NW winds 45 to 55 kt,
diminishing to 35 to 45 kt in the afternoon. 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.