000
FZNT31 KNHC 280815
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
315 AM EST Thu Jan 28 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...Fresh to strong winds are expected to continue
across the south-central Caribbean through the end of the week.
Gale conditions are possible Fri night and Sat night north of
Colombia. A cold front will move across the NW Caribbean later
today through Fri night. Behind the front, fresh to strong NE
winds can be expected over the NW Caribbean waters through Sat
and over the Atlantic passages from Fri afternoon through Sun. 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. The next cold front may approach the
NW Caribbean on Mon into Mon night. 

NW Caribbean W of 85W

.TODAY...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...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 15 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, diminishing to less than 10 kt
after midnight. Seas 3 to 4 ft. 
.MON...NE winds less than 10 kt, shifting to N in the afternoon.
Seas 3 to 4 ft. 
.MON NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. 

Caribbean N of 15N between 72W and 85W

.TODAY...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.TONIGHT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt
elsewhere. Seas 4 to 6 ft. 
.FRI...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt
elsewhere. Seas 5 to 7 ft. 
.FRI NIGHT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt
elsewhere. 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. 
.MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 

Caribbean from 11N to 15N W of 72W

...GALE WARNING...

.TODAY...E winds 20 to 30 kt within 90 nm of coast of Colombia,
and NE 15 to 25 kt elsewhere. Seas 7 to 10 ft. 
.TONIGHT...NE winds 15 to 25 kt within 90 nm of coast of
Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. 
.FRI...E winds 15 to 25 kt within 90 nm of coast of Colombia,
and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. 
.FRI NIGHT...E winds 25 to 35 kt within 90 nm of coast of
Colombia, and NE 15 to 25 kt elsewhere. Seas 7 to 10 ft. 
.SAT...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.SAT NIGHT...E winds 15 to 25 kt, except 25 to 35 kt within
90 nm of coast of Colombia. Seas 8 to 11 ft. 
.SUN...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SUN NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.MON...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. 

SW Caribbean S of 11N

.TODAY...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.TONIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. 
.FRI...NE winds 10 to 20 kt. Seas 6 to 8 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 6 to 9 ft. 
.MON...NE winds 10 to 15 kt. Seas 6 to 8 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 

Caribbean between 64W and 72W

.TODAY...NE to E winds 15 to 20 kt Gulf of Venezuela, and E
15 to 20 kt elsewhere. Seas 4 to 6 ft. 
.TONIGHT...NE to E winds 20 to 25 kt Gulf of Venezuela, and NE
to E 10 to 15 kt elsewhere. Seas 2 to 4 ft. 
.FRI...NE to E winds 15 to 20 kt Gulf of Venezuela, and E 10 to
15 kt elsewhere. Seas 3 to 5 ft. 
.FRI NIGHT...NE to E winds 20 to 25 kt Gulf of Venezuela, and NE
to E 15 to 20 kt elsewhere. 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 4 to 6 ft. 
.SUN...E winds 15 to 20 kt. Seas 6 to 8 ft. 
.SUN NIGHT...E winds 20 kt. Seas 6 to 8 ft. 
.MON...E winds 15 to 20 kt. Seas 6 to 8 ft. 
.MON 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 15 kt. Seas 6 to 9 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI...E winds less than 10 kt. Seas 5 to 7 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 to 15 kt. Seas 7 to 10 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 8 to 11 ft. 
.SUN...E winds 10 to 15 kt. Seas 8 to 11 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 8 to 12 ft. 
.MON...E winds 10 to 20 kt. Seas 8 to 12 ft. 
.MON 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...E winds 10 to 15 kt. Seas 6 to 9 ft. 
.TONIGHT...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 6 to 9 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.SUN...E winds 10 to 20 kt. Seas 8 to 11 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. 
.MON...E winds 10 to 20 kt. Seas 8 to 11 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A ridge extending from near 25N65W to the upper
Florida Keys will weaken as a strong cold front extending from
31N79W to 29.5N81W moves east. The strong cold front will move
quickly while the associated low pressure rapidly intensifies 
north of the forecast area. The front will stretch from 31N69W
to western Cuba by this afternoon, and from 31N59W to eastern 
Cuba by tonight. Strong gale force winds and very large seas are 
expected with this system through tonight, mainly N of 27N. Winds
will diminish Fri and seas should subside by Sun. The next cold 
front may move off the SE U.S.coast early Mon with fresh to 
strong winds off the Florida coast.

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

...GALE WARNING...

.TODAY...NW winds 25 to 35 kt. Seas 9 to 14 ft. 
.TONIGHT...N winds 20 to 25 kt, diminishing to 10 to 20 kt after
midnight. Seas 9 to 14 ft, subsiding to 8 to 11 ft after
midnight. 
.FRI...N winds 10 to 20 kt. Seas 7 to 10 ft. 
.FRI NIGHT...NE winds 10 kt. Seas 6 to 8 ft. 
.SAT...E winds 10 kt. Seas 5 to 7 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN...S winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN NIGHT...SW winds 20 to 30 kt. Seas 7 to 10 ft. 
.MON...W winds 20 to 30 kt. Seas 8 to 11 ft. 
.MON NIGHT...W winds 20 to 25 kt. Seas 8 to 11 ft. 

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

...GALE WARNING...

.TODAY...W of 70W, NW winds 25 to 35 kt. Seas 8 to 13 ft,
building to 13 to 18 ft in the afternoon. Elsewhere, SW winds
20 to 30 kt, becoming W 30 to 40 kt in the afternoon.
Seas 7 to 10 ft, building to 12 to 17 ft in the afternoon. 
.TONIGHT...W of 70W, N winds 20 to 30 kt. Seas 15 to 20 ft.
Elsewhere, NW winds 30 to 40 kt, diminishing to 20 to 30 kt
after midnight,Seas 17 to 22 ft, building to 18 to 26 ft after
midnight. 
.FRI...N winds 15 to 20 kt W of 70W, and NW 15 to 25 kt
elsewhere. Seas 11 to 16 ft W of 70W, and 16 to 21 ft elsewhere.
.FRI NIGHT...N winds 10 to 20 kt W of 70W, and NW 15 to 25 kt
elsewhere. Seas 9 to 14 ft W of 70W, and 14 to 19 ft elsewhere. 
.SAT...N winds 10 to 20 kt. Seas 11 to 16 ft. 
.SAT NIGHT...NE winds less than 10 kt. Seas 9 to 14 ft. 
.SUN...SE winds less than 10 kt. Seas 8 to 11 ft.
.SUN NIGHT...S winds 10 to 20 kt. Seas 7 to 10 ft. 
.MON...S winds 15 to 25 kt. Seas 8 to 11 ft. 
.MON NIGHT...SW winds 15 to 25 kt. Seas 8 to 12 ft. 

Bahamas N of 22N

.TODAY...W winds 10 to 15 kt, becoming NW 15 to 25 kt in the 
afternoon. Seas 3 to 5 ft. 
.TONIGHT...N winds 15 to 25 kt. Seas 6 to 8 ft. 
.FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI NIGHT...NE winds 10 to 15 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 4 to 6 ft. 
.SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON...S winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON NIGHT...W winds 15 to 25 kt. Seas 4 to 6 ft. 

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

.TODAY...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. 
.TONIGHT...NW winds 20 to 30 kt. Seas 9 to 14 ft. 
.FRI...N winds 10 to 20 kt. Seas 10 to 15 ft W of 70W, and
11 to 16 ft elsewhere. 
.FRI NIGHT...N winds 10 to 15 kt. Seas 8 to 12 ft W of 70W, and
11 to 14 ft elsewhere. 
.SAT...NE winds 10 to 15 kt. Seas 9 to 13 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 9 to 13 ft. 
.SUN...E winds 10 to 15 kt. Seas 8 to 11 ft. 
.SUN NIGHT...SE winds 10 to 15 kt. Seas 8 to 10 ft. 
.MON...SE winds 10 to 20 kt. Seas 7 to 9 ft. 
.MON NIGHT...S winds 15 to 25 kt. Seas 8 to 9 ft. 

ATLC waters S of 22N W of 65W

.TODAY...S winds less than 10 kt. Seas 3 to 5 ft. 
.TONIGHT...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 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 7 to 10 ft. 
.MON...SE winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. 

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

.TODAY...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.TONIGHT...S 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 10 to 15 kt. Seas 8 to 13 ft. 
.SAT...E winds 10 to 15 kt. Seas 10 to 13 ft. 
.SAT NIGHT...NE winds 10 to 20 kt. Seas 11 to 12 ft. 
.SUN...E winds 10 to 20 kt. Seas 11 to 12 ft. 
.SUN NIGHT...E winds 15 to 20 kt. Seas 10 to 11 ft. 
.MON...E winds 15 kt. Seas 9 to 11 ft. 
.MON NIGHT...SE winds 15 to 20 kt. Seas 9 to 10 ft.