000
FZNT31 KNHC 212047
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
447 PM EDT Thu Sep 21 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 20.8N 69.8W 960 mb at
5 PM EDT moving NW or 315 degrees at 8 kt. Maximum sustained
winds are 105 kt with gusts to 130 kt. Maria is forecast to
reach near 21.6N 70.4W at 2 AM EDT FRI, weaken to 100 kt gusts
to 120 kt near 23.0N 71.2W at 2 PM EDT Fri, near 24.5N 71.7W at
2 AM EDT Sat, weaken to 95 kt gusts 115 kt near 26.1N 72.1W at
2 PM EDT Sat, near 28.9N 72.1W at 2 PM Sun, then pass through
31.0N 71.0W at 2 PM EDT Mon. Moderate to locally fresh trades
will return across the area by Sun evening. Strong nocturnal
trades will resume along the NW coast of Venezuela, along the NE
coast of Colombia and across the Gulf of Honduras on Mon
evening. 

NW Caribbean W of 85W

.TONIGHT...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 less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less, building to 3 ft after
midnight. 
.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, building to
3 ft after midnight. 
.MON...SE winds 10 to 20 kt. Seas 3 to 4 ft. 
.MON NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. 
.TUE...E winds 15 to 25 kt. Seas 4 to 6 ft. 

Caribbean N of 15N between 72W and 85W

.TONIGHT...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 3 ft in the morning, subsiding to 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...SE winds less than 10 kt. Seas 2 ft or less. 
.SUN...S of 18N, SE winds 10 to 15 kt. Elsewhere, SE winds less
than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas
2 ft or less. 
.SUN NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 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. 
.MON NIGHT...E winds 10 to 20 kt. S of 18N, seas 4 to 6 ft.
Elsewhere, seas 2 ft or less, building to 3 ft after midnight. 
.TUE...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 ft
elsewhere. 

Caribbean from 11N to 15N W of 72W

.TONIGHT...N winds less than 10 kt. Seas 4 to 6 ft. 
.FRI...SW 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. Seas 2 ft or less. 
.SUN...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 to
4 ft in the afternoon. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...NE winds 10 to 20 kt within 90 nm of coast of
Colombia, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. 
.TUE...E winds 10 to 20 kt within 90 nm of coast of Colombia,
and SE 15 to 25 kt elsewhere. Seas 4 to 6 ft. 

SW Caribbean S of 11N

.TONIGHT...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...E winds less than 10 kt. Seas 3 to 4 ft.
.SAT...SE 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. Seas 2 ft or less.
.SUN NIGHT...S winds less than 10 kt. Seas 2 ft or less. 
.MON...S winds less than 10 kt. Seas 2 ft or less. 
.MON NIGHT...SW winds less than 10 kt. Seas 2 ft or less. 
.TUE...W winds less than 10 kt. Seas 2 ft or less. 

Caribbean between 64W and 72W

.TONIGHT...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...SE winds 10 to 20 kt. Seas 2 ft or less Gulf of
Venezuela, and 4 to 6 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
4 to 6 ft elsewhere. 
.SAT NIGHT...NE 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. 
.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 to 4 ft after midnight. Elsewhere, seas
5 to 7 ft. 
.MON...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela,
and 5 to 7 ft elsewhere. 
.MON NIGHT...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to
25 kt elsewhere. Seas 5 to 7 ft. 
.TUE...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt
elsewhere. Seas 5 to 7 ft. 

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

.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI...SE winds 10 to 20 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 6 to 8 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. 

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

.TONIGHT...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 20 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. 
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. 

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...Hurricane Maria is centered at 20.8N 69.8W 960 mb at
5 PM EDT moving NW or 315 degrees at 8 kt. Maximum sustained
winds are 105 kt with gusts to 130 kt. Maria is forecast to
reach
near 21.6N 70.4W at 2 AM EDT FRI, weaken to 100 kt gusts to
120 kt near 23.0N 71.2W at 2 PM EDT Fri, near 24.5N 71.7W at
2 AM
EDT Sat, weaken to 95 kt gusts 115 kt near 26.1N 72.1W at 2 PM
EDT Sat, near 28.9N 72.1W at 2 PM Sun, then pass through 31.0N
71.0W at 2 PM EDT Mon.

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

.TONIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. 
.FRI...NE winds 10 to 15 kt. Seas 8 to 11 ft. 
.FRI NIGHT...NE winds 10 to 20 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 12 to 16 ft. 
.SUN...N winds 10 to 20 kt. Seas 12 to 16 ft. 
.SUN NIGHT...N winds 10 to 20 kt. Seas 11 to 15 ft. 
.MON...N winds 10 to 20 kt. Seas 8 to 13 ft. 
.MON NIGHT...N winds 10 to 20 kt. Seas 8 to 11 ft. 
.TUE...NW winds 10 to 20 kt. Seas 7 to 10 ft. 

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

...TROPICAL STORM WARNING...

.TONIGHT...E winds 10 to 15 kt. Seas 8 to 12 ft. 
.FRI...E winds 10 to 15 kt. Seas 10 to 15 ft. 
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W of 70W, NE
winds 10 to 20 kt, increasing to 20 to 30 kt after midnight.
Elsewhere, E winds 15 to 25 kt. Seas 13 to 18 ft W of 70W, and
10 to 15 ft elsewhere. 
.SAT...TROPICAL STORM CONDITIONS EXPECTED. W of 70W, NE winds
35 to 45 kt, increasing to 50 to 60 kt in the afternoon,Seas
16 to 21 ft, building to 16 to 26 ft in the afternoon.
Elsewhere, SE winds 25 to 35 kt,Seas 12 to 17 ft. 
.SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. NE winds 75 to
85 kt W of 70W, and SE 30 to 40 kt elsewhere. W of 70W, seas
20 to 30 ft, building to 23 to 33 ft after midnight. Elsewhere,
seas 13 to 18 ft. 
.SUN...HURRICANE CONDITIONS POSSIBLE. 
.SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.MON...HURRICANE CONDITIONS POSSIBLE. 
.MON NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.TUE...W of 70W, W winds 30 to 40 kt, diminishing to 20 to 30 kt
in the afternoon. Elsewhere, S winds 25 to 35 kt. Seas 10 to
15 ft W of 70W, and 13 to 18 ft elsewhere. 

Bahamas N of 22N

...TROPICAL STORM WARNING...

.TONIGHT...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 35 to
45 kt. Seas 6 to 8 ft. 
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 30 to
40 kt, diminishing to 20 to 30 kt after midnight. Seas 7 to
10 ft. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. N winds 20 to 30 kt.
Seas 7 to 10 ft. 
.SAT NIGHT...N winds 20 to 30 kt. Seas 6 to 9 ft. 
.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 4 to 6 ft. 
.MON NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE...N winds 10 to 15 kt. Seas 3 to 4 ft. 

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

...HURRICANE WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS. W of 70W, NE winds 50 to
60 kt, becoming E 75 to 95 kt after midnight,Seas 13 to 18 ft,
building to 17 to 22 ft after midnight. Elsewhere, E winds 50 to
60 kt, increasing to 70 to 80 kt after midnight,Seas 14 to
19 ft. 
.FRI...HURRICANE CONDITIONS EXPECTED. W of 70W, NE winds 75 to
95 kt. Elsewhere, SE winds 70 to 80 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 EXPECTED. NE winds 80 to
90 kt W of 70W, and SE 40 to 50 kt elsewhere. Seas 23 to 33 ft W
of 70W, and 14 to 19 ft elsewhere. 
.SAT...HURRICANE CONDITIONS EXPECTED. NW winds 80 to 90 kt W of
70W, and SE 30 to 40 kt elsewhere. Seas 24 to 34 ft W of 70W,
and 13 to 18 ft elsewhere. 
.SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. SW winds 75 to
85 kt W of 70W, and SE 30 to 40 kt elsewhere. W of 70W, seas
21 to 31 ft, subsiding to 16 to 26 ft after midnight. Elsewhere,
seas 10 to 15 ft. 
.SUN...HURRICANE CONDITIONS POSSIBLE. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON NIGHT...SW winds 10 to 20 kt. Seas 7 to 10 ft. 
.TUE...S winds 10 to 20 kt. Seas 6 to 8 ft. 

ATLC waters S of 22N W of 65W

...HURRICANE WARNING...

.TONIGHT...HURRICANE CONDITIONS. E winds 85 to 95 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 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...SW winds 20 to 30 kt. Seas 7 to 10 ft. 
.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 6 to 8 ft. 
.MON...S winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE...SE winds 10 to 15 kt. Seas 4 to 6 ft. 

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

.TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.FRI...SE winds 10 to 20 kt. Seas 6 to 9 ft. 
.FRI NIGHT...SE winds 10 to 20 kt. Seas 7 to 9 ft. 
.SAT...SE winds 10 to 20 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 to 8 ft. 
.MON NIGHT...SE winds 10 to 15 kt. Seas 7 to 8 ft. 
.TUE...E winds 10 to 15 kt. Seas 6 to 8 ft.