000
FZNT31 KNHC 270828
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
328 AM EST Wed Jan 27 2021

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...High pressure N of the Caribbean Sea combined with
the Colombian low will support minimal gale force winds near the
northern Colombian coast through early this morning. Gale
conditions are possible again Fri night and Sat night. Fresh to
locally strong winds are expected over the Gulf of Honduras
through this morning. A strong cold front will enter the NW
Caribbean on Thu. Behind the front, fresh to strong NE winds can
be expected over the NW Caribbean waters Fri and through the
Atlantic passages Fri afternoon through Sat. N swell will
propagate into the NE Caribbean passages and Tropical N Atlantic
waters through the weekend, with the largest swell expected Sun
and Sun night. 

NW Caribbean W of 85W

.TODAY...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU...NE winds 10 to 15 kt. Seas 3 to 5 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. 
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN NIGHT...E winds 10 to 15 kt, shifting to NE after midnight.
Seas 3 to 5 ft. 

Caribbean N of 15N between 72W and 85W

.TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft S of 18N, and 3 to
5 ft elsewhere. 
.TONIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, NE winds
less than 10 kt, increasing to 10 to 15 kt after midnight. Seas
6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. 
.THU...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU NIGHT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt
elsewhere. Seas 4 to 6 ft. 
.FRI...NE winds 15 to 25 kt. Seas 5 to 7 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. 
.SAT...E winds 15 to 25 kt. Seas 6 to 8 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.SUN...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 

Caribbean from 11N to 15N W of 72W

...GALE WARNING...
...GALE CONDITIONS POSSIBLE FRI NIGHT...
...GALE CONDITIONS POSSIBLE SAT NIGHT...

.TODAY...E winds 20 to 30 kt, except 25 to 35 kt within 90 nm of
coast of Colombia early. Seas 8 to 13 ft.
.TONIGHT...NE to E winds 20 to 25 kt. Seas 7 to 11 ft. 
.THU...NE to E winds 20 to 25 kt. Seas 7 to 11 ft. 
.THU NIGHT...NE to E winds 20 to 30 kt within 90 nm of coast of
Colombia, and NE 20 to 25 kt elsewhere. Seas 6 to 9 ft. 
.FRI...NE to E winds 20 to 25 kt. Seas 6 to 8 ft.
.FRI NIGHT...NE to E winds 25 to 35 kt within 90 nm of coast of
Colombia, and NE 20 to 25 kt elsewhere. Seas 6 to 10 ft.
.SAT...NE to E winds 20 to 25 kt. Seas 7 to 10 ft. 
.SAT NIGHT...NE to E winds 25 to 35 kt within 90 nm of coast of 
Colombia, and NE 20 to 25 kt elsewhere. Seas 7 to 10 ft.
.SUN...E winds 20 to 30 kt. Seas 7 to 11 ft. 
.SUN NIGHT...NE to E winds 20 to 25 kt. Seas 7 to 11 ft.

SW Caribbean S of 11N

.TODAY...NE winds 10 to 15 kt. Seas 7 to 10 ft. 
.TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.THU...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.THU NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. 
.FRI...NE winds 15 to 25 kt. Seas 6 to 9 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. 
.SAT...NE winds 15 to 25 kt. Seas 6 to 9 ft. 
.SAT NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. 
.SUN...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.SUN NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. 

Caribbean between 64W and 72W

.TODAY...E winds 20 to 25 kt. Seas 6 to 9 ft in N to NE swell. 
.TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 15 to
20 kt elsewhere. Seas 6 to 8 ft. 
.THU...NE to E winds 15 to 20 kt Gulf of Venezuela, and E 15 to
20 kt elsewhere. Seas 5 to 7 ft. 
.THU NIGHT...NE to E winds 20 to 25 kt Gulf of Venezuela, and NE
to E 10 to 15 kt elsewhere. Seas 3 to 5 ft. 
.FRI...E winds 10 to 15 kt. Seas 2 to 4 ft. 
.FRI NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. 
.SAT...E winds 15 to 20 kt. Seas 3 to 5 ft. 
.SAT NIGHT...NE to E winds 20 to 25 kt. Seas 5 to 7 ft. 
.SUN...E winds 15 to 20 kt. Seas 6 to 8 ft. 
.SUN NIGHT...E winds 20 kt. Seas 6 to 8 ft. 

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

.TODAY...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.THU...E winds 10 to 15 kt. Seas 6 to 9 ft. 
.THU NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 5 to 7 ft. 
.FRI...E winds less than 10 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 6 to 9 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 7 to 10 ft. 
.SUN...E winds 10 to 15 kt. Seas 8 to 11 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. 

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

.TODAY...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.THU...E winds 10 to 15 kt. Seas 6 to 9 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 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 7 to 10 ft. 
.SUN...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...High pressure near 25N62W extends a ridge to South 
Florida. A strong cold front will move off the SE U.S. coast 
tonight while the associated low pressure rapidly intensifies 
north of the forecast area. Gale force winds and very large seas
are expected with this system tonight through Thu night, mainly
N of 27N. Winds should diminish by Fri and seas should subside 
by Sun. The next cold front may move off the SE U.S. coast Sun 
night.

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

...GALE WARNING...

.TODAY...SW winds 10 to 15 kt. Seas 2 to 4 ft. 
.TONIGHT...SW winds 10 to 15 kt, becoming SW to W 25 to 35 kt
late. Seas 3 to 5 ft, building to 7 to 11 ft. 
.THU...NW to N winds 25 to 35 kt. Seas 10 to 15 ft. 
.THU NIGHT...N winds 20 to 25 kt. Seas 9 to 13 ft. 
.FRI...N to NE winds 15 to 20 kt. Seas 6 to 9 ft. 
.FRI NIGHT...N to NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 kt. Seas 4 to 6 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...S winds 20 to 25 kt. Seas 4 to 6 ft. 
.SUN NIGHT...SW winds 20 to 30 kt. Seas 6 to 9 ft. 

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

...GALE WARNING...

.TODAY...SW winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...SW to W winds 15 to 20 kt. Seas 3 to 5 ft, building to
6 to 8 ft. 
.THU...N of 29N, W winds 25 to 35 kt, becoming NW 30 to 40 kt in 
the afternoon. Elsewhere, SW to W winds 20 to 25 kt, becoming W 
to NW 25 to 35 kt in the afternoon. Seas 12 to 18 ft. 
.THU NIGHT...W to NW winds 30 to 40 kt, becoming NW 25 to 35 kt 
late. Seas 16 to 24 ft. 
.FRI...NW winds 20 to 25 kt. Seas 12 to 18 ft. 
.FRI NIGHT...NW winds 20 to 25 kt. Seas 10 to 15 ft.
.SAT...NW to N winds 15 to 20 kt. Seas 9 to 14 ft. 
.SAT NIGHT...NW to N winds 10 to 15 kt. Seas 8 to 12 ft. 
.SUN...N to NE winds 10 kt in the morning, becoming variable less
than 5 kt. Seas 7 to 10 ft.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft.

Bahamas N of 22N

.TODAY...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. 
.TONIGHT...SE winds 10 kt. Seas 2 to 4 ft Atlc Exposures, and
3 ft or less elsewhere. 
.THU...W to NW winds 10 to 15 kt, becoming NW 20 to 25 kt in the
afternoon. Atlc Exposures, seas 2 to 4 ft, building to 4 to 6 ft
in the afternoon. Elsewhere, seas 2 to 4 ft. 
.THU NIGHT...N to NE winds 20 to 25 kt. Seas 6 to 9 ft Atlc
Exposures, and 3 to 5 ft elsewhere. 
.FRI...NE winds 15 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft. 
.SAT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. 
.SAT NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. 
.SUN...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 

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

.TODAY...S winds 10 to 15 kt W of 70W, and S less than 10 kt
elsewhere. Seas 5 to 7 ft. 
.TONIGHT...S winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 4 to 6 ft. 
.THU...W of 70W, SW winds 10 to 20 kt, becoming W 20 to 30 kt in
the afternoon. Elsewhere, SW winds 15 to 25 kt. Seas 4 to 6 ft,
building to 6 to 9 ft in the afternoon. 
.THU NIGHT...NW winds 15 to 25 kt. Seas 8 to 13 ft. 
.FRI...N winds 10 to 20 kt. Seas 10 to 15 ft. 
.FRI NIGHT...N winds 10 to 15 kt. Seas 9 to 13 ft. 
.SAT...NE winds 10 to 15 kt. Seas 8 to 12 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 8 to 11 ft. 
.SUN...E winds 10 to 15 kt. Seas 8 to 11 ft. 
.SUN NIGHT...SE winds 10 to 15 kt. Seas 7 to 10 ft. 

ATLC waters S of 22N W of 65W

.TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft. 
.THU NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.SAT...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.SUN...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. 

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

.TODAY...E winds 10 to 15 kt. Seas 7 to 10 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.THU...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.THU NIGHT...SW winds less than 10 kt. Seas 5 to 7 ft. 
.FRI...W winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 6 to 8 ft. 
.FRI NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 8 to 12 ft. 
.SAT...E winds 10 to 15 kt. Seas 10 to 12 ft. 
.SAT NIGHT...NE winds 10 to 20 kt. Seas 10 to 11 ft. 
.SUN...E winds 10 to 20 kt. Seas 10 to 11 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 10 to 11 ft.