000
FZNT31 KNHC 202055
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
455 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...Major Hurricane Maria is centered at 18.8N 67.3W
957 mb at 5 PM EDT moving NW, or 305 degrees at 10 kt. Maximum
sustained winds are 95 kt with gusts to 115 kt. Maria is
forecast to reach near 19.5N 68.2W at 2 AM Thu, intensify to
100 kt gusts to 120 kt near 20.5N 69.3W at 2 PM Thu, 105 kt
gusts to 130 kt near 21.6N 70.3W at 2 AM Fri, near 22.9N 71.1W
at 2 PM Fri, weaken to 100 kt gusts to 120 kt near 25.8N 72.2W
at 2 PM Sat, then continue to weaken reaching near 29.0N 72.5W
at 2 PM Sun and passing N of area to near 31.5N 72.0W at 2 PM
Mon. Elsewhere, moderate to locally fresh trades will return by
Sun evening. 

NW Caribbean W of 85W

.TONIGHT...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 less than 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

.TONIGHT...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...S of 18N, S winds less than 10 kt. Elsewhere, NE winds
less than 10 kt, shifting to E in the afternoon. Seas 2 ft or
less. 
.SAT NIGHT...SE winds less than 10 kt S of 18N, and E 10 to
15 kt elsewhere. Seas 2 ft or less. 
.SUN...SE winds 10 to 15 kt. 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

.TONIGHT...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...NE 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

.TONIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. 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. Seas 3 to 5 ft. 
.FRI...SW 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...E winds less than 10 kt. 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...

.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Gulf of
Venezuela, NE winds 10 kt. Elsewhere, NW winds 30 to 40 kt,
shifting to S 25 to 35 kt 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

.TONIGHT...E winds 15 to 25 kt. Seas 6 to 9 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

.TONIGHT...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. Major
Hurricane Maria is centered at 18.8N 67.3W 957 mb at 5 PM EDT
moving NW, or 305 degrees at 10 kt. Maximum sustained winds are
95 kt with gusts to 115 kt. Maria is forecast to reach near
19.5N
68.2W at 2 AM Thu, intensify to 100 kt gusts to 120 kt near
20.5N
69.3W at 2 PM Thu, 105 kt gusts to 130 kt near 21.6N 70.3W at
2 AM Fri, near 22.9N 71.1W at 2 PM Fri, weaken to 100 kt gusts
to
120 kt near 25.8N 72.2W at 2 PM Sat, then continue to weaken
reaching near 29.0N 72.5W at 2 PM Sun and passing N of area to
near 31.5N 72.0W at 2 PM Mon. 

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

.TONIGHT...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 13 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 10 to 15 ft. 
.SAT...NE winds 10 to 20 kt. Seas 13 to 18 ft. 
.SAT NIGHT...NE winds 10 to 20 kt. Seas 13 to 18 ft. 
.SUN...N winds 10 to 20 kt. Seas 11 to 16 ft. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON...N winds 10 to 20 kt. Seas 8 to 13 ft. 

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

.TONIGHT...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 10 to 15 ft W of 70W, and 9 to 12 ft
elsewhere. 
.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
12 to 16 ft W of 70W, and 10 to 13 ft elsewhere. 
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 15 to
25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 14 to 19 ft W
of 70W, and 10 to 15 ft elsewhere. 
.SAT...HURRICANE CONDITIONS POSSIBLE. 
.SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SUN...HURRICANE CONDITIONS POSSIBLE. 
.SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.MON...W winds 65 to 80 kt W of 70W, and S 20 to 30 kt
elsewhere. Seas 13 to 18 ft W of 70W, and 8 to 11 ft elsewhere. 

Bahamas N of 22N

...TROPICAL STORM WARNING...

.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.THU...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 5 to 7 ft.
.FRI...HURRICANE CONDITIONS POSSIBLE. NE winds 30 to 40 kt.
Seas 6 to 9 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 8 ft. 
.SUN NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 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...

.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W of 70W, E
winds 10 to 15 kt,Seas 6 to 7 ft, building to 8 to 11 ft after
midnight. Elsewhere, E winds 10 to 15 kt, increasing to 15 to
25 kt after midnight,Seas 9 to 14 ft. 
.THU...TROPICAL STORM CONDITIONS POSSIBLE. W of 70W, E winds
10 to 20 kt, becoming NE 25 to 35 kt in the afternoon,Seas 10 to
15 ft, building to 13 to 18 ft in the afternoon. Elsewhere, E
winds 20 to 30 kt, increasing to 30 to 40 kt in the
afternoon,Seas 13 to 18 ft. 
.THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. W of 70W, NE
winds 40 to 50 kt, becoming E 80 to 90 kt after midnight,Seas
16 to 21 ft, building to 18 to 28 ft after midnight. Elsewhere,
E winds 45 to 55 kt, increasing to 70 to 80 kt after
midnight,Seas 14 to 19 ft. 
.FRI...HURRICANE CONDITIONS EXPECTED. W of 70W, NE winds 85 to
95 kt. Elsewhere, SE winds 75 to 85 kt, diminishing to 50 to
60 kt in the afternoon. Seas 23 to 33 ft W of 70W, and 14 to
19 ft elsewhere. 
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. NE winds 75 to
95 kt W of 70W, and SE 40 to 50 kt elsewhere. Seas 25 to 35 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...SW winds 10 to 20 kt. Seas 6 to 9 ft. 

ATLC waters S of 22N W of 65W

...HURRICANE WARNING...

.TONIGHT...HURRICANE CONDITIONS. NE winds 70 to 85 kt. Seas
15 to 20 ft. 
.THU...HURRICANE CONDITIONS EXPECTED. E winds 80 to 90 kt. Seas
17 to 22 ft. 
.THU NIGHT...HURRICANE CONDITIONS EXPECTED. E winds 80 to
95 kt. Seas 17 to 22 ft, subsiding to 14 to 19 ft after
midnight. 
.FRI...HURRICANE CONDITIONS EXPECTED. S winds 80 to 90 kt,
diminishing to 55 to 65 kt in the afternoon. Seas 11 to 16 ft. 
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S winds 30 to
40 kt, becoming SW 20 to 30 kt after midnight. Seas 9 to 14 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 8 ft. 
.SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON...S winds 10 to 15 kt. Seas 4 to 6 ft. 

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

.TONIGHT...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.