000
FZNT31 KNHC 171511
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1111 AM EDT Tue Sep 17 2019

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 Atlantic from
07N to 19N between 55W and 64W

.SYNOPSIS...Moderate to fresh trade winds will dominate much of
the basin. Long period northerly swell will push through the
Atlantic Ocean passages today. Tropical Depression Ten near
12.9N 44.9W 1007 mb at 11 AM EDT moving WNW at 10 kt. Maximum
sustained winds 30 kt gusts 40 kt. Ten will strengthen to a
tropical storm near 13.8N 46.1W this evening, move to 14.7N
47.9W Wed morning, 15.5N 50.2W Wed evening, 16.3N 52.9W Thu
morning, and strengthen to a hurricane near 18.2N 59.2W Fri
morning. Ten will change little in intensity as it moves to
20.2N 64.7W early Sat, and continue to 22.5N 69.0W Sun. 

NW Caribbean W of 85W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 3 ft. 
.WED...NE winds less than 10 kt. Seas 3 ft. 
.WED NIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. 
.THU...N winds 10 to 15 kt. Seas 3 ft. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft. 

Caribbean N of 15N between 72W and 85W

.THIS AFTERNOON...NE winds 10 to 15 kt S of 18N, and NE less
than 10 kt elsewhere. Seas 3 ft, subsiding to 2 ft or less. 
.TONIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. 
.WED...S of 18N, NE winds 10 to 15 kt. Elsewhere, N winds 10 to
15 kt, diminishing to less than 10 kt in the afternoon. Seas
2 ft or less. 
.WED NIGHT...S of 18N, N winds 10 to 15 kt, shifting to NE after
midnight. Elsewhere, N winds 10 to 20 kt. Seas 2 ft or less. 
.THU...NE winds 10 to 20 kt. Seas 3 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 3 ft. 
.FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. 
.SAT...E winds 10 to 15 kt. Seas 3 ft. 

Caribbean from 11N to 15N W of 72W

.THIS AFTERNOON...NE winds less than 10 kt. Seas 3 ft. 
.TONIGHT...NE winds less than 10 kt. Seas 3 ft. 
.WED...N winds less than 10 kt. Seas 3 ft. 
.WED NIGHT...Within 90 nm of coast of Colombia, NW winds 10 kt
in the evening, becoming variable winds less than 10 kt.
Elsewhere, N winds 10 to 15 kt. Seas 3 ft. 
.THU...N winds less than 10 kt, shifting to NW in the afternoon.
Seas 3 ft. 
.THU NIGHT...NW winds 10 to 15 kt, shifting to SW after
midnight. Seas 3 to 4 ft. 
.FRI...SW winds 10 to 15 kt within 90 nm of coast of Colombia,
and S less than 10 kt elsewhere. Seas 3 to 4 ft. 
.FRI NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. 
.SAT...E winds less than 10 kt. Seas 3 ft. 

SW Caribbean S of 11N

.THIS AFTERNOON...NW winds less than 10 kt. Seas 3 ft. 
.TONIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 3 ft in the evening, subsiding to 2 ft or
less. 
.WED...W winds less than 10 kt. Seas 2 ft or less. 
.WED NIGHT...W winds less than 10 kt. Seas 3 ft. 
.THU...W winds less than 10 kt, shifting to SW in the afternoon.
Seas 3 ft. 
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI...S winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI NIGHT...S winds less than 10 kt. Seas 3 ft. 
.SAT...SE winds less than 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less. 

Caribbean between 64W and 72W

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 2 ft or less Gulf of
Venezuela, and 4 to 6 ft elsewhere. 
.TONIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of
Venezuela, and 5 to 7 ft elsewhere. 
.WED...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
5 to 7 ft elsewhere. 
.WED NIGHT...NE winds less than 10 kt Gulf of Venezuela, and E
10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and
5 to 7 ft elsewhere. 
.THU...Variable winds less than 10 kt Gulf of Venezuela, and SE
10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and
4 to 6 ft elsewhere. 
.THU NIGHT...Variable winds less than 10 kt Gulf of Venezuela,
and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of
Venezuela, and 3 to 5 ft elsewhere. 
.FRI...SE winds 10 to 15 kt. Seas 2 ft or less Gulf of
Venezuela, and 3 to 5 ft elsewhere. 
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Variable winds
less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere.
Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. Variable winds less
than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas
2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. 

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

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.WED...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 15 kt,
increasing to 25 to 35 kt in the afternoon. Seas 6 to 8 ft. 
.THU NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.FRI...HURRICANE CONDITIONS POSSIBLE. 
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. 

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

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Hurricane Humberto near 30.7N 73.5W 961 mb at 11 AM 
EDT moving ENE at 7 kt. Maximum sustained winds 85 kt gusts 105 
kt. Humberto will move to 31.1N 72.0W this evening, 31.8N 69.4W 
Wed morning, 33.1N 66.1W Wed evening. Humberto will move north of
Bermuda Wed night and farther into the central north Atlantic 
waters through Sat, before weakening to an extratropical cyclone 
Sun. Northerly swell will follow across the open waters in the 
wake of Humberto. Tropical Depression Ten near 12.9N 44.9W 1007 
mb at 11 AM EDT moving WNW at 10 kt. Maximum sustained winds 30 
kt gusts 40 kt. Ten will strengthen to a tropical storm near 
13.8N 46.1W this evening, move to 14.7N 47.9W Wed morning, 15.5N 
50.2W Wed evening, 16.3N 52.9W Thu morning, and strengthen to a 
hurricane near 18.2N 59.2W Fri morning. Ten will change little in
intensity as it moves to 20.2N 64.7W early Sat, and continue to 
22.5N 69.0W Sun. 

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

.THIS AFTERNOON...N winds 15 to 25 kt. Seas 8 to 12 ft.
.TONIGHT...N winds 15 to 25 kt. Seas 8 to 11 ft. 
.WED...NE winds 10 to 20 kt. Seas 8 to 12 ft. 
.WED NIGHT...NE winds 15 to 25 kt. Seas 9 to 12 ft. 
.THU...NE winds 15 to 25 kt. Seas 11 to 13 ft. 
.THU NIGHT...NE winds 15 to 25 kt. Seas 11 to 13 ft. 
.FRI...E winds 15 to 25 kt. Seas 12 to 14 ft. 
.FRI NIGHT...E winds 15 to 25 kt. Seas 11 to 15 ft. 
.SAT...E winds 10 to 20 kt. Seas 11 to 14 ft. 

ATLC waters from 27N to 31N between 65W and 77W

...HURRICANE WARNING...

.THIS AFTERNOON...HURRICANE CONDITIONS. W winds 65 to 80 kt W
of 70W, and S 15 to 25 kt elsewhere. Seas 12 to 17 ft W of 70W,
and 8 to 11 ft elsewhere. 
.TONIGHT...HURRICANE CONDITIONS EXPECTED. W of 70W, W winds
70 to 80 kt. Elsewhere, SW winds 30 to 40 kt, becoming S 50 to
60 kt after midnight. Seas 12 to 17 ft W of 70W, and 9 to 14 ft
elsewhere. 
.WED...TROPICAL STORM CONDITIONS EXPECTED. W of 70W, NW winds
55 to 65 kt, becoming N 20 to 30 kt in the afternoon. Elsewhere,
SW winds 55 to 65 kt, diminishing to 35 to 45 kt in the
afternoon. Seas 12 to 17 ft. 
.WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N winds 20 to
30 kt W of 70W, and W 20 to 30 kt elsewhere. Seas 12 to 17 ft. 
.THU...NE winds 15 to 25 kt W of 70W, and N 15 to 25 kt
elsewhere. Seas 12 to 16 ft W of 70W, and 13 to 18 ft elsewhere.
.THU NIGHT...NE winds 15 to 25 kt W of 70W, and N 10 to 20 kt
elsewhere. Seas 12 to 16 ft W of 70W, and 14 to 19 ft elsewhere.
.FRI...NE winds 15 to 25 kt W of 70W, and N 10 to 15 kt
elsewhere. Seas 12 to 16 ft. 
.FRI NIGHT...NE winds 15 to 25 kt W of 70W, and NE 10 to 15 kt
elsewhere. Seas 11 to 15 ft. 
.SAT...NE winds 10 to 20 kt. Seas 10 to 14 ft. 

Bahamas N of 22N

.THIS AFTERNOON...W winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. 
.FRI...E winds 15 to 25 kt. Seas 6 to 8 ft. 
.FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. 
.SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. 

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

.THIS AFTERNOON...S winds 10 to 20 kt. Seas 6 to 9 ft. 
.TONIGHT...SW winds 10 to 20 kt. Seas 7 to 9 ft. 
.WED...W winds 10 to 20 kt W of 70W, and S 15 to 25 kt
elsewhere. Seas 7 to 9 ft. 
.WED NIGHT...N winds 10 to 20 kt W of 70W, and SW 15 to 25 kt
elsewhere. Seas 8 to 11 ft. 
.THU...SE winds 10 to 20 kt. Seas 8 to 12 ft. 
.THU NIGHT...SE winds 10 to 20 kt. Seas 8 to 13 ft. 
.FRI...E winds 15 to 25 kt W of 70W, and E 10 to 15 kt
elsewhere. Seas 11 to 13 ft. 
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SAT...HURRICANE CONDITIONS POSSIBLE. 

ATLC waters S of 22N W of 65W

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.TONIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI...TROPICAL STORM CONDITIONS POSSIBLE. 
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SAT...HURRICANE CONDITIONS POSSIBLE. 

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

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 8 to 9 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. 
.WED...E winds 10 to 15 kt. Seas 7 to 8 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. 
.THU...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 20 kt.
Seas 6 to 7 ft. 
.THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.FRI...HURRICANE CONDITIONS POSSIBLE. 
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SAT...HURRICANE CONDITIONS POSSIBLE.