Gulf of Mexico Weather

National Hurricane Center Miami

        
000
FZNT31 KNHC 210242
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1042 PM EDT Wed Sep 20 2017

Marine Weather HF Voice Broadcast for the Tropical N Atlantic
from 07N to 22N between 55W and 64W, the SW N Atlantic S of
31N W of 65W including Bahamas, and the Caribbean Sea.

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 Caribbean Sea and Tropical N ATLC from 07N to 19N
between 55W and 64W

.SYNOPSIS...Hurricane Maria is centered at 19.2N 67.9W 959 mb at
11 PM EDT moving NW, or 310 degrees at 8 kt. Maximum sustained
winds are 95 kt with gusts to 115 kt. Maria is forecast to reach
near 19.9N 68.8W at 8 AM Thu, intensify to 100 kt gusts to
120 kt near 21.0N 70.0W at 8 PM Thu, near 22.3N 70.8W at 8 AM
Fri, near 23.7N 71.5W at 8 PM Fri, near 26.8N 72.2W at 8 PM Sat,
then weaken to 90 kt gusts to 110 kt near 29.5N 72.0W at 8 PM
Sun and continue to weaken passing N of area near 32.0N 71.0W at
8 PM Mon. Elsewhere, moderate to locally fresh trades will
return by Sun evening. 

NW Caribbean W of 85W

.OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.THU...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 3 ft. 
.FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or
less. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. 
.SAT...E winds less than 10 kt. Seas 2 ft or less. 
.SAT NIGHT...E winds 10 kt. Seas 2 ft or less. 
.SUN...E winds less than 10 kt. Seas 2 ft or less. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 2 ft or less. 
.MON...SE winds 10 to 20 kt. Seas 3 to 4 ft. 

Caribbean N of 15N between 72W and 85W

.OVERNIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and
2 ft or less elsewhere. 
.THU...NE winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 2 ft
or less elsewhere. 
.THU NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft S of 18N, and
2 ft or less elsewhere. 
.FRI...S of 18N, NW winds less than 10 kt. Elsewhere, NE winds
10 to 15 kt, diminishing to less than 10 kt in the afternoon.
Seas 2 ft or less. 
.FRI NIGHT...NE winds less than 10 kt. Seas 2 ft or less. 
.SAT...SE winds less than 10 kt. Seas 2 ft or less. 
.SAT NIGHT...S of 18N, SE winds less than 10 kt. Elsewhere, NE
winds less than 10 kt, shifting to SE after midnight. Seas 2 ft
or less. 
.SUN...S of 18N, SE winds 10 to 15 kt. Elsewhere, SE winds 10 to
15 kt, diminishing to less than 10 kt in the afternoon. Seas
2 ft or less. 
.SUN NIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft S of 18N, and
2 ft or less elsewhere. 
.MON...SE winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft
or less elsewhere. 

Caribbean from 11N to 15N W of 72W

.OVERNIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...NE winds less than 10 kt. Seas 4 to 6 ft. 
.THU NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. 
.FRI...W winds less than 10 kt. Seas 3 to 4 ft. 
.FRI NIGHT...NW winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 3 ft. 
.SAT...Variable winds less than 10 kt, becoming SE less than
10 kt in the afternoon. Seas 2 ft or less. 
.SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less. 
.SUN...E winds 10 to 15 kt. Seas 2 ft or less. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...SE winds 10 to 20 kt. Seas 3 to 5 ft. 

SW Caribbean S of 11N

.OVERNIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. 
.THU...E winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 3 to 5 ft. 
.THU NIGHT...N winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 3 to 5 ft. 
.FRI...W winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 3 to 5 ft. 
.FRI NIGHT...Variable winds less than 10 kt. Seas 3 ft. 
.SAT...S winds less than 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less. 
.SAT NIGHT...Variable winds less than 10 kt, becoming E less
than 10 kt after midnight. Seas 2 ft or less. 
.SUN...SE winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 2 ft or less. 
.SUN NIGHT...S winds 10 to 15 kt. Seas 2 ft or less. 
.MON...SW winds 10 to 15 kt. Seas 2 ft or less. 

Caribbean between 64W and 72W

...TROPICAL STORM WARNING...

.OVERNIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Gulf of
Venezuela, NE winds 10 kt. Elsewhere, W winds 30 to 40 kt,
shifting to S after midnight. Seas 3 to 4 ft Gulf of Venezuela,
and 7 to 10 ft elsewhere. 
.THU...TROPICAL STORM CONDITIONS POSSIBLE. Variable winds less
than 10 kt Gulf of Venezuela, and S 20 to 30 kt elsewhere. Seas
3 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. 
.THU NIGHT...N winds 10 kt Gulf of Venezuela, and SE 15 to 25 kt
elsewhere. Gulf of Venezuela, seas 3 ft in the evening,
subsiding to 2 ft or less. Elsewhere, seas 5 to 7 ft. 
.FRI...Variable winds less than 10 kt Gulf of Venezuela, and SE
10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and
4 to 6 ft elsewhere. 
.FRI NIGHT...Gulf of Venezuela, Variable winds less than 10 kt,
becoming NE 10 kt after midnight. Elsewhere, SE winds 10 to
20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft
elsewhere. 
.SAT...Variable winds less than 10 kt Gulf of Venezuela, and SE
10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and
3 to 5 ft elsewhere. 
.SAT NIGHT...SE winds 10 to 20 kt. Seas 2 ft or less Gulf of
Venezuela, and 4 to 6 ft elsewhere. 
.SUN...SE winds 10 to 20 kt. Seas 2 ft or less Gulf of
Venezuela, and 4 to 6 ft elsewhere. 
.SUN NIGHT...E winds 10 to 20 kt. Gulf of Venezuela, seas 2 ft
or less, building to 3 ft after midnight. Elsewhere, seas 4 to
6 ft. 
.MON...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and
4 to 6 ft elsewhere. 

Offshore Leeward Islands and adjacent ATLC waters from 15N to
19N W of 55W

.OVERNIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.THU...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT...SE winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON...E winds 10 to 20 kt. Seas 5 to 7 ft. 

Offshore Windward Islands and adjacent ATLC waters from 07N to
15N W of 55W

.OVERNIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...E winds 10 to 20 kt. Seas 5 to 7 ft. 

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...Residual N swells across the waters N of 28N from 
Tropical Storm Jose will mix with swells from Hurricane Maria 
across the waters between 65W and 75W tonight and Thu. Hurricane 
Maria is centered at 19.2N 67.9W 959 mb at 11 PM EDT moving NW, 
or 310 degrees at 8 kt. Maximum sustained winds are 95 kt with 
gusts to 115 kt. Maria is forecast to reach near 19.9N 68.8W at 8
AM Thu, intensify to 100 kt gusts to 120 kt near 21.0N 70.0W at 
8 PM Thu, near 22.3N 70.8W at 8 AM Fri, near 23.7N 71.5W at 8 PM 
Fri, near 26.8N 72.2W at 8 PM Sat, then weaken to 90 kt gusts to 
110 kt near 29.5N 72.0W at 8 PM Sun and continue to weaken 
passing N of area near 32.0N 71.0W at 8 PM Mon. 

ATLC waters from 27N to 31N W of 77W

.OVERNIGHT...E winds less than 10 kt. Seas 4 to 6 ft. 
.THU...NE winds less than 10 kt. Seas 4 to 6 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. 
.FRI...NE winds 10 to 15 kt. Seas 8 to 12 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 9 to 14 ft. 
.SAT...NE winds 10 to 20 kt. Seas 11 to 16 ft. 
.SAT NIGHT...NE winds 10 to 20 kt. Seas 11 to 16 ft. 
.SUN...N winds 10 to 20 kt. Seas 12 to 17 ft. 
.SUN NIGHT...N winds 10 to 20 kt. Seas 10 to 14 ft, subsiding to
9 to 11 ft after midnight. 
.MON...N winds 10 to 20 kt. Seas 7 to 10 ft. 

ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W

.OVERNIGHT...SE winds less than 10 kt. Seas 7 to 9 ft. 
.THU...E winds less than 10 kt. Seas 8 to 11 ft. 
.THU NIGHT...E winds less than 10 kt W of 70W, and SE 10 to
15 kt elsewhere. Seas 8 to 13 ft. 
.FRI...W of 70W, NE winds less than 10 kt, increasing to 10 to
15 kt in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas
10 to 15 ft. 
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. E winds 15 to
25 kt. Seas 13 to 18 ft W of 70W, and 10 to 14 ft elsewhere. 
.SAT...HURRICANE CONDITIONS POSSIBLE. 
.SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SUN...HURRICANE CONDITIONS POSSIBLE. 
.SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.MON...HURRICANE CONDITIONS POSSIBLE. 

Bahamas N of 22N

...TROPICAL STORM WARNING...

.OVERNIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.THU...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 10 to
15 kt. Seas 3 to 5 ft. 
.THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 10 to
20 kt, increasing to 20 to 30 kt after midnight. Seas 4 to 6 ft.
.FRI...TROPICAL STORM CONDITIONS EXPECTED. NE winds 30 to
40 kt. Seas 6 to 8 ft. 
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. NE winds 25 to
35 kt. Seas 7 to 10 ft. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN...NW winds 10 to 20 kt. Seas 6 to 9 ft. 
.SUN NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...W winds 10 to 20 kt. Seas 3 to 5 ft. 

ATLC waters from 22N to 27N between 65W and the Bahamas

...HURRICANE WARNING...

.OVERNIGHT...E winds 10 to 15 kt W of 70W, and E 15 to 25 kt
elsewhere. Seas 7 to 10 ft W of 70W, and 9 to 14 ft elsewhere. 
.THU...TROPICAL STORM CONDITIONS POSSIBLE. W of 70W, E winds
15 to 25 kt, becoming NE 25 to 35 kt in the afternoon.
Elsewhere, E winds 20 to 30 kt, increasing to 30 to 40 kt in the
afternoon. Seas 9 to 14 ft, building to 12 to 17 ft in the
afternoon. 
.THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. W of 70W, NE
winds 40 to 50 kt, becoming E 75 to 85 kt after midnight,Seas
13 to 18 ft, building to 17 to 22 ft after midnight. Elsewhere,
E winds 40 to 50 kt, increasing to 65 to 75 kt after
midnight,Seas 14 to 19 ft. 
.FRI...HURRICANE CONDITIONS EXPECTED. W of 70W, NE winds 80 to
90 kt. Elsewhere, SE winds 60 to 70 kt, diminishing to 45 to
55 kt in the afternoon. Seas 20 to 30 ft W of 70W, and 14 to
19 ft elsewhere. 
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. NE winds 80 to
90 kt W of 70W, and SE 35 to 45 kt elsewhere. Seas 23 to 33 ft W
of 70W, and 13 to 18 ft elsewhere. 
.SAT...HURRICANE CONDITIONS POSSIBLE. 
.SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SUN...HURRICANE CONDITIONS POSSIBLE. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON...TROPICAL STORM CONDITIONS POSSIBLE. 

ATLC waters S of 22N W of 65W

...HURRICANE WARNING...

.OVERNIGHT...HURRICANE CONDITIONS. NE winds 75 to 85 kt. Seas
15 to 20 ft. 
.THU...HURRICANE CONDITIONS EXPECTED. E winds 75 to 85 kt. Seas
16 to 21 ft. 
.THU NIGHT...HURRICANE CONDITIONS EXPECTED. E winds 80 to
90 kt. Seas 16 to 21 ft. 
.FRI...HURRICANE CONDITIONS EXPECTED. S winds 80 to 90 kt,
diminishing to 50 to 60 kt in the afternoon. Seas 10 to 15 ft. 
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S winds 25 to
35 kt. Seas 8 to 13 ft. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SAT NIGHT...S winds 10 to 20 kt. Seas 6 to 9 ft. 
.SUN...S winds 10 to 20 kt. Seas 6 to 9 ft. 
.SUN NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON...S winds 10 to 15 kt. Seas 4 to 6 ft. 

ATLC waters from 19N to 22N between 55W and 65W

.OVERNIGHT...E winds 20 to 30 kt. Seas 7 to 10 ft. 
.THU...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.FRI...SE winds 10 to 20 kt. Seas 7 to 9 ft. 
.FRI NIGHT...SE winds 10 to 20 kt. Seas 7 to 8 ft. 
.SAT...SE winds 10 to 15 kt. Seas 7 to 8 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 7 to 8 ft. 
.SUN...SE winds 10 to 15 kt. Seas 7 to 8 ft. 
.SUN NIGHT...SE winds 10 to 15 kt. Seas 7 to 8 ft. 
.MON...SE winds 10 to 15 kt. Seas 7 ft.