530 
FZNT31 KNHC 172114
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
414 PM EST Sun Dec 17 2023

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 is moving across the western Caribbean
Sea followed by fresh to strong NW winds and seas up to 11 ft in
the Yucatan Channel. The front will reach from eastern Cuba to
10N80W Mon afternoon, and from Hispaniola near 20N70W to 10N79W
Tue afternoon. Fresh to strong northerly winds and seas of 8 to
9 ft are expected in the wake of the front. Strong high pressure
over the Atlantic will continue to produce fresh to locally
strong winds over the NE Caribbean through tonight. 

NW Caribbean W of 85W

.TONIGHT...NW winds 10 to 20 kt. Seas 6 to 8 ft. 
.MON...NW winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. 
.TUE...N winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 

Caribbean N of 15N between 72W and 85W

.TONIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 

Caribbean from 11N to 15N W of 72W

.TONIGHT...E winds 10 to 15 kt within 90 nm of coast of
Colombia, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft. 
.MON...E winds 10 to 15 kt within 90 nm of coast of Colombia,
and NE 15 to 25 kt elsewhere. Seas 3 to 5 ft within 90 nm of
coast of Colombia, and 5 to 7 ft elsewhere. 
.MON NIGHT...NE winds 10 to 15 kt within 90 nm of coast of
Colombia, and N 15 to 25 kt elsewhere. Seas 3 to 4 ft within
90 nm of coast of Colombia, and 5 to 7 ft elsewhere. 
.TUE...NE winds 10 to 15 kt within 90 nm of coast of Colombia,
and NE 15 to 25 kt elsewhere. Seas 4 to 5 ft within 90 nm of
coast of Colombia, and 6 to 9 ft elsewhere. 
.TUE NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. 
.WED...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 7 ft. 
.FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 

SW Caribbean S of 11N

.TONIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.TUE...N winds 15 to 25 kt. Seas 6 to 9 ft. 
.TUE NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. 
.WED...N winds 10 to 20 kt. Seas 6 to 9 ft. 
.WED NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft.
.THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI...NE winds 10 to 15 kt. Seas 6 to 8 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. 

Caribbean between 64W and 72W

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

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

.TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. 
.TUE...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 6 to 9 ft. 
.TUE NIGHT...E winds less than 10 kt. Seas 6 to 9 ft. 
.WED...Variable winds less than 10 kt. Seas 6 to 9 ft. 
.WED NIGHT...NE winds less than 10 kt. Seas 6 to 8 ft. 
.THU...E winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 5 to 7 ft. 
.THU NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft. 
.FRI...E winds less than 10 kt. Seas 5 to 7 ft. 
.FRI NIGHT...E winds less than 10 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 20 kt. Seas 5 to 7 ft. 
.MON...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 5 to 7 ft. 
.TUE NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. 
.WED...E winds less than 10 kt. Seas 5 to 7 ft. 
.WED NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. 
.THU...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 5 to 7 ft. 
.THU NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 5 to 7 ft. 
.FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A cold front extends from a 990 mb low pressure
located N of area near 32N80W to central Cuba near 23N80W. SE to
S minimal storm force winds are ahead of the front N of 30N to
about 77W, with a large area of gale force winds covering the
waters N of 26.5N and E of front to 72W. The storm force winds
are forecast to diminish to gale force by this evening. Behind
the front, NW gales will also develop N of 27N early this
evening. Scattered to numerous strong thunderstorms are ahead of
the low and the cold front forecast to reach from 31N69W to
eastern Cuba by Mon afternoon, and from 31N68W to the N coast of
Hispaniola near 20N70W by Tue afternoon. Then, the front will
then move slowly E into the middle of the week as high pressure
builds behind it. Gales ahead of the front will persist through
Mon night while gale behind the front are expected through late
tonight. 

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

...GALE WARNING...

.TONIGHT...W winds 25 to 35 kt. Seas 14 to 19 ft. 
.MON...W winds 15 to 25 kt. Seas 11 to 16 ft, subsiding to 8 to
13 ft in the afternoon. 
.MON NIGHT...NW winds 15 to 25 kt. Seas 8 to 11 ft. 
.TUE...N winds 10 to 20 kt. Seas 7 to 10 ft. 
.TUE NIGHT...NE winds 15 to 20 kt. Seas 7 to 9 ft. 
.WED...NE winds 15 to 20 kt. Seas 7 to 9 ft. 
.WED NIGHT...NE winds 15 to 20 kt. Seas 7 to 9 ft. 
.THU...NE winds 10 to 15 kt. Seas 7 to 9 ft. 
.THU NIGHT...NE winds 10 to 15 kt. Seas 7 to 9 ft. 
.FRI...NE winds 10 to 15 kt. Seas 6 to 8 ft. 
.FRI NIGHT...NE winds 10 kt. Seas 6 to 8 ft. 

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

...GALE WARNING...

.TONIGHT...SW winds 30 to 40 kt W of 70W, and SE 25 to 35 kt
elsewhere. Seas 15 to 20 ft W of 70W, and 11 to 16 ft elsewhere.
.MON...W winds 15 to 25 kt W of 70W, and S 25 to 35 kt
elsewhere. Seas 13 to 18 ft. 
.MON NIGHT...W winds 10 to 15 kt W of 70W, and S 20 to 30 kt
elsewhere. Seas 10 to 15 ft W of 70W, and 12 to 16 ft elsewhere.
.TUE...NW winds 10 to 20 kt. Seas 8 to 12 ft W of 70W, and 10 to
15 ft elsewhere. 
.TUE NIGHT...N winds 15 to 25 kt. Seas 9 to 12 ft. 
.WED...N winds 15 to 25 kt. Seas 9 to 14 ft. 
.WED NIGHT...N winds 15 to 25 kt. Seas 9 to 14 ft. 
.THU...N winds 15 to 25 kt. Seas 9 to 14 ft. 
.THU NIGHT...N winds 10 to 20 kt. Seas 9 to 14 ft.
.FRI...N winds 10 to 15 kt. Seas 8 to 12 ft. 
.FRI NIGHT...N winds 10 to 15 kt. Seas 8 to 11 ft. 

Bahamas N of 22N

.TONIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...NW winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. 
.WED...NE winds 15 to 25 kt. Seas 5 to 7 ft. 
.WED NIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft. 
.THU...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 

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

.TONIGHT...SE winds 20 to 30 kt. Seas 10 to 14 ft. 
.MON...W of 70W, W winds 15 to 25 kt, shifting to NW 10 to 15 kt
in the afternoon. Elsewhere, SE winds 15 to 25 kt. Seas 9 to
14 ft. 
.MON NIGHT...W of 70W, NW winds less than 10 kt, increasing to
10 to 15 kt after midnight. Elsewhere, SE winds 15 to 25 kt.
Seas 8 to 12 ft. 
.TUE...NE winds 10 to 20 kt. Seas 8 to 11 ft. 
.TUE NIGHT...N winds 10 to 20 kt. Seas 8 to 11 ft. 
.WED...N winds 15 to 25 kt. Seas 9 to 12 ft. 
.WED NIGHT...N winds 15 to 25 kt. Seas 10 to 13 ft. 
.THU...N winds 15 to 20 kt. Seas 10 to 13 ft. 
.THU NIGHT...N winds 10 to 15 kt. Seas 10 to 12 ft. 
.FRI...N winds 10 to 15 kt. Seas 9 to 11 ft. 
.FRI NIGHT...N winds 10 to 15 kt. Seas 9 to 10 ft. 

ATLC waters S of 22N W of 65W

.TONIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft. 
.MON...SE winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.TUE...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.WED...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.WED NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. 
.THU...NE winds 10 to 20 kt. Seas 8 to 11 ft. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.FRI...NE winds 10 to 15 kt. Seas 7 to 10 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. 

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

.TONIGHT...E winds 15 to 20 kt. Seas 9 to 10 ft. 
.MON...E winds 10 to 20 kt. Seas 8 to 11 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 8 to 12 ft. 
.TUE...NE winds 10 to 15 kt. Seas 8 to 12 ft. 
.TUE NIGHT...NE winds less than 10 kt. Seas 8 to 12 ft. 
.WED...NW winds less than 10 kt. Seas 9 to 11 ft. 
.WED NIGHT...NW winds less than 10 kt. Seas 8 to 10 ft. 
.THU...NW winds less than 10 kt. Seas 8 to 10 ft. 
.THU NIGHT...N winds 10 to 15 kt. Seas 8 to 11 ft.
.FRI...N winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 7 to 10 ft. 
.FRI NIGHT...NE winds less than 10 kt. Seas 8 to 9 ft.