000
FZNT32 KNHC 100303
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1103 PM EDT Tue Oct 9 2018

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...Hurricane Michael near 27.1N 86.5W 947 mb at 11 PM
EDT moving N at 10 kt. Maximum sustained winds are 110 kt with
gusts to 135 kt. Michael is expected to intensify further, make
landfall along the coast of the central panhandle of Florida
late Wednesday afternoon, then move inland Wed night. Conditions
will gradually improve Thu through Fri as Michael accelerates to
the NE. A cold front will spill into the NW Gulf behind the
exiting Michael Wed night and Thu and reach from the Florida
Panhandle to SW Gulf Sat evening. 

Gulf of Mexico N of 26N W of 87W

...HURRICANE WARNING...

.OVERNIGHT...TROPICAL STORM CONDITIONS. NE winds 60 to 70 kt.
Seas 13 to 18 ft. 
.WED...TROPICAL STORM CONDITIONS EXPECTED. NW winds 45 to 55 kt,
diminishing to 35 to 45 kt in the afternoon. Seas 13 to 18 ft, 
subsiding to 9 to 14 ft in the afternoon. 
.WED NIGHT...NW winds 15 to 25 kt. Seas 8 to 11 ft, subsiding to
6 to 8 ft after midnight. 
.THU...N winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU NIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI...NE winds 10 to 20 kt. Seas 3 to 4 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 ft. 
.SAT...E winds 10 to 15 kt. Seas 3 ft. 
.SAT NIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. 
.SUN...SE winds 10 to 20 kt. Seas 3 to 4 ft. 

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

...TROPICAL STORM WARNING...

.OVERNIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SW winds 20 to
30 kt. Seas 6 to 9 ft. 
.WED...W winds 15 to 25 kt. Seas 6 to 9 ft. 
.WED NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU...N winds 10 to 15 kt. Seas 4 to 5 ft. 
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 ft. 
.SAT...E winds 10 to 15 kt. Seas 3 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.SUN...SE winds 10 to 20 kt. Seas 3 to 4 ft. 

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

.OVERNIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. 
.THU...NE winds less than 10 kt. Seas 3 to 5 ft. 
.THU NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. 
.FRI...NE winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. 
.SAT...E winds less than 10 kt. Seas 2 to 3 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. 
.SUN...SE winds 10 to 15 kt. Seas 2 ft or less. 

Gulf of Mexico E of 87W

...HURRICANE WARNING...

.OVERNIGHT...HURRICANE CONDITIONS. S winds 80 to 90 kt. Seas
15 to 20 ft. 
.WED...HURRICANE CONDITIONS EXPECTED. S winds 80 to 90 kt,
becoming SW 65 to 75 kt in the afternoon. Seas 14 to 19 ft,
subsiding to 10 to 15 ft in the afternoon.
.WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SW winds 20 to
30 kt. Seas 8 to 13 ft, subsiding to 6 to 9 ft after midnight. 
.THU...W winds 15 to 25 kt. Seas 5 to 7 ft. 
.THU NIGHT...W winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI...NW winds 10 to 20 kt. Seas 3 to 4 ft. 
.FRI NIGHT...N winds 10 to 15 kt. Seas 3 ft. 
.SAT...N winds 10 to 15 kt. Seas 3 ft. 
.SAT NIGHT...E winds less than 10 kt. Seas 2 to 3 ft. 
.SUN...E winds 10 kt. Seas 2 ft or less.