000
FZNT31 KNHC 212115
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
415 PM EST Thu Nov 21 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...A cold front extending from 20N65W across southern
Hispaniola and Jamaica to 19N84W, will continue moving over the
northern Caribbean through tonight, then stall and weaken on
Fri. Fresh NE winds will prevail across much of the western
Caribbean through Fri, with the strongest winds expected through
the Windward and Mona passages as high pressure builds behind
the cold front. Easterly trades will freshen across the south-
central Caribbean early next week. 

NW Caribbean W of 85W

.TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT...E winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 3 to 4 ft. 
.SAT NIGHT...NE winds 10 to 15 kt, diminishing to less than
10 kt after midnight. Seas 3 ft. 
.SUN...N winds less than 10 kt. Seas 2 ft or less. 
.SUN NIGHT...NE 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. 
.MON...NE winds less than 10 kt. Seas 2 ft or less.
.MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. 
.TUE...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft
in the afternoon. 

Caribbean N of 15N between 72W and 85W

.TONIGHT...NE winds 15 to 25 kt. Seas 4 to 6 ft. 
.FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT NIGHT...E winds 10 to 20 kt. S of 18N, seas 3 to 5 ft.
Elsewhere, seas 3 ft in the evening, subsiding to 2 ft or less. 
.SUN...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to
15 kt, diminishing to less than 10 kt in the afternoon. Seas
3 to 5 ft S of 18N, and 2 ft or less elsewhere. 
.SUN NIGHT...NE winds 10 to 15 kt S of 18N, and NE less than
10 kt elsewhere. Seas 3 ft. 
.MON...E winds 10 to 15 kt S of 18N, and E less than 10 kt
elsewhere. Seas 3 ft. 
.MON NIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, NE winds
less than 10 kt, shifting to E after midnight. Seas 3 ft. 
.TUE...E 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 20 kt. Seas 3 to 4 ft. 
.FRI...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. 
.SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE...E winds 15 to 25 kt within 90 nm of coast of Colombia,
and NE 10 to 20 kt elsewhere. Seas 4 to 6 ft. 

SW Caribbean S of 11N

.TONIGHT...N winds 10 to 15 kt. Seas 3 ft. 
.FRI...N winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT...NE winds 10 to 15 kt, shifting to N in the afternoon.
Seas 3 to 4 ft. 
.SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN...N winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft. 
.SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. 
.TUE...N winds 10 to 20 kt. Seas 3 to 5 ft. 

Caribbean between 64W and 72W

.TONIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. 
.FRI...NE winds 10 to 15 kt Gulf of Venezuela, and NE 15 to
25 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to
5 ft elsewhere. 
.FRI NIGHT...NE winds 10 to 15 kt Gulf of Venezuela, and NE
15 to 25 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and
4 to 6 ft elsewhere. 
.SAT...NE winds 10 to 15 kt Gulf of Venezuela, and NE 15 to
25 kt elsewhere. Gulf of Venezuela, seas 2 ft or less, building
to 3 ft in the afternoon. Elsewhere, seas 4 to 6 ft. 
.SAT NIGHT...NE winds 10 to 20 kt. Gulf of Venezuela, seas 3 ft
in the evening, subsiding to 2 ft or less. Elsewhere, seas 3 to
5 ft. 
.SUN...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela,
and 3 to 5 ft elsewhere. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela,
and 3 to 5 ft elsewhere. 
.MON NIGHT...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela,
and 4 to 6 ft elsewhere. 
.TUE...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and
5 to 7 ft elsewhere. 

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

.TONIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI...W winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 20 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 4 to 6 ft. 
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.TUE...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, diminishing to less than 10 kt
after midnight. Seas 4 to 6 ft. 
.FRI...E winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 4 to 6 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 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 9 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Tropical Storm Sebastien near 23.8N 59.7W 998 mb at
4 PM EST moving NE at 8 kt. Maximum sustained winds 50 kt gusts
60 kt. Sebastien will strengthen to a hurricane while 
accelerating northeastward away from the forecast waters
tonight. A cold front extending from 31N56W to 25N60W to 19N68W 
will continue moving eastward and steer Sebastien into the 
central Atlantic. High pressure will build behind the cold front 
across the northern waters through Sat, then shift eastward Sat 
night. The next cold front will cross the region Sun through Mon.

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

.TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.FRI...SE winds 10 to 15 kt, shifting to S in the afternoon.
Seas 5 to 6 ft. 
.FRI NIGHT...S winds less than 10 kt. Seas 5 to 6 ft. 
.SAT...S winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 5 ft. 
.SAT NIGHT...SW winds 15 to 25 kt. Seas 7 to 10 ft. 
.SUN...SW winds 20 to 30 kt, shifting to W 15 to 20 kt in the
afternoon. Seas 6 to 9 ft. 
.SUN NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON...NE winds less than 10 kt, shifting to W in the afternoon.
Seas 3 to 4 ft. 
.MON NIGHT...N winds less than 10 kt. Seas 3 ft. 
.TUE...SE winds less than 10 kt. Seas 2 ft or less, building to
3 ft in the afternoon. 

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

.TONIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft W of 70W, and
9 to 11 ft elsewhere. 
.FRI...W of 70W, NE winds 10 to 15 kt, shifting to N in the
afternoon. Elsewhere, N winds 10 to 20 kt. Seas 6 to 9 ft W of
70W, and 8 to 11 ft elsewhere. 
.FRI NIGHT...NW winds less than 10 kt W of 70W, and N 10 to
15 kt elsewhere. Seas 6 to 9 ft. 
.SAT...W of 70W, E winds less than 10 kt, shifting to S in the
afternoon. Elsewhere, N winds less than 10 kt. Seas 5 to 7 ft. 
.SAT NIGHT...W of 70W, S winds 15 to 25 kt. Elsewhere, E winds
less than 10 kt, shifting to S after midnight. Seas 6 to 8 ft. 
.SUN...SW winds 20 to 30 kt W of 70W, and S 15 to 25 kt
elsewhere. Seas 7 to 10 ft W of 70W, and 5 to 7 ft elsewhere. 
.SUN NIGHT...W winds 15 to 25 kt W of 70W, and SW 15 to 25 kt
elsewhere. Seas 6 to 9 ft. 
.MON...W of 70W, N winds less than 10 kt, shifting to SE in the
afternoon. Elsewhere, SW winds 10 to 15 kt, diminishing to less
than 10 kt in the afternoon. Seas 5 to 7 ft. 
.MON NIGHT...W of 70W, N after midnight. S winds less than
10 kt. Elsewhere, 10 to 15 kt after midnight. Seas 4 to 6 ft. 
.TUE...E winds less than 10 kt. Seas 4 to 6 ft. 

Bahamas N of 22N

.TONIGHT...NE 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 15 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN...S winds 10 to 20 kt. Seas 3 to 4 ft. 
.SUN NIGHT...SW winds 10 to 15 kt, shifting to W after midnight.
Seas 2 ft or less. 
.MON...N winds 10 to 15 kt. Seas 2 ft or less. 
.MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. 
.TUE...E winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 ft or less. 

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

.TONIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft W of 70W, and
9 to 11 ft elsewhere. 
.FRI...NE winds 10 to 20 kt. Seas 7 to 9 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. 
.SAT...E winds 10 to 20 kt. Seas 6 to 7 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. 
.SUN...SE winds 10 to 20 kt. Seas 5 to 6 ft. 
.SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.MON...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.MON NIGHT...W of 70W, SE winds 10 to 15 kt, diminishing to less
than 10 kt after midnight. Elsewhere, SE winds 10 to 15 kt. Seas
4 to 5 ft. 
.TUE...SE winds 10 to 15 kt, shifting to E in the afternoon.
Seas 4 to 5 ft. 

ATLC waters S of 22N W of 65W

.TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. 

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

.TONIGHT...NW winds 15 to 25 kt. Seas 7 to 10 ft. 
.FRI...N winds 10 to 20 kt. Seas 7 to 9 ft. 
.FRI NIGHT...N winds 10 to 15 kt. Seas 7 to 8 ft. 
.SAT...NE winds 10 to 20 kt. Seas 7 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.SUN...E winds 10 to 15 kt. Seas 6 to 7 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 6 ft. 
.MON...E winds 10 kt. Seas 5 to 6 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.TUE...E winds 10 to 15 kt. Seas 4 to 6 ft.