000
FZNT31 KNHC 230824
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
324 AM EST Tue Jan 23 2018

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

.SYNOPSIS...Nocturnal near gale force to minimal gale force
trades are forecast along the the NW coast of Colombia through
Sat night. A cold front will move SE across the Yucatan Basin
tonight, and stall and gradually dissipate from Central Cuba to
Northern Belize on Wed through Fri. Strengthening post-frontal
high pressure will produce fresh to strong NE winds across the
Caribbean W of 70W during mid week, with these conditions
spreading E across the NE Caribbean late in the week. Moderate
to fresh trades will continue across the tropical Atlc waters E
of the Windwards through Fri, with fresh to strong NE flow
forecast on Fri night through Sat night. 

NW Caribbean W of 85W

.TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED...NE winds 10 to 15 kt. Seas 4 to 6 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...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.FRI...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. 

Caribbean N of 15N between 72W and 85W

.TODAY...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
6 to 9 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. 
.WED...NE winds 10 to 20 kt. Seas 6 to 8 ft S of 18N, and 3 to
5 ft elsewhere. 
.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 15 to 25 kt. Seas 6 to 9 ft. 
.FRI...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.FRI NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.SAT...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. 

Caribbean from 11N to 15N W of 72W

...GALE WARNING...
...GALE CONDITIONS POSSIBLE...

.TODAY...NE to E winds 20 to 25 kt. Seas 8 to 12 ft in NE to E
swell. 
.TUE NIGHT...NE to E winds 25 to 35 kt Within 90 nm of coast of
Colombia, and NE to E 20 to 25 kt elsewhere. Seas 9 to 13 ft in
NE to E swell.
.WED...NE to E winds 20 to 25 kt. Seas 8 to 12 ft in NE to E
swell. 
.WED NIGHT...NE to E winds 25 to 35 kt Within 90 nm of coast of
Colombia, and NE to E 20 to 25 kt elsewhere. Seas 9 to 13 ft in
NE to E swell.
.THU...NE to E winds 20 to 25 kt. Seas 8 to 11 ft in NE to E
swell. 
.THU NIGHT...NE to E winds 25 to 35 kt Within 90 nm of coast of
Colombia, and NE to E 20 to 25 kt elsewhere. Seas 9 to 13 ft in
NE to E swell.
.FRI...NE to E winds 20 to 25 kt. Seas 9 to 12 ft in NE to E
swell. 
.FRI NIGHT...NE to E winds 25 to 35 kt Within 90 nm of coast of
Colombia, and NE to E 20 to 25 kt elsewhere. Seas 9 to 13 ft in
NE to E swell.
.SAT...E winds 20 to 30 kt. Seas 9 to 13 ft in NE to E swell. 
.SAT NIGHT...NE to E winds 25 to 35 kt Within 90 nm of coast of
Colombia, and NE to E 20 to 25 kt elsewhere. Seas 9 to 13 ft in
NE to E swell.
SW Caribbean S of 11N

.TODAY...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.WED...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.THU...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.THU NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. 
.FRI...NE winds 10 to 20 kt. Seas 8 to 11 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 8 to 12 ft. 
.SAT...NE winds 10 to 20 kt. Seas 8 to 12 ft. 
.SAT NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. 

Caribbean between 64W and 72W

.TODAY...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 6 to 8 ft. 
.TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 5 to 7 ft. 
.WED...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt
elsewhere. Seas 5 to 7 ft. 
.WED NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 5 to 7 ft. 
.THU...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.FRI NIGHT...E winds 15 to 25 kt. 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. Seas 8 to 11 ft. 

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

.TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.WED...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. 
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT...E winds 10 to 20 kt. Seas 7 to 9 ft. 
.SAT NIGHT...NE winds 15 to 25 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 5 to 7 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI...E winds 10 to 15 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 6 to 8 ft. 
.SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A cold front will move off the NE Florida coast this
afternoon, reach a position from 31N69W to the Straits of
Florida late Wed, reach a position from Bermuda to Central Cuba 
late Thu, extend from 24N65W to the N-Central Cuba late Fri, then
stall E to W along 21N on Fri night through Sat night. 
Strengthening high pressure in the wake of this front will 
produce strong NE winds W of the front on Thu evening into Fri, 
with strong to near gale force NE to E winds expected across the 
entire forecast waters S of 29N on Fri, and to the S of 27N on 
Sat.

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

.TODAY...S winds 10 to 15 kt. Seas 4 to 5 ft. 
.TONIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED NIGHT...NW winds 10 to 15 kt, shifting to N 20 kt after
midnight. Seas 4 to 6 ft. 
.THU...N winds 15 to 20 kt. Seas 5 to 7 ft. 
.THU NIGHT...NE winds 15 to 20 kt. Seas 6 to 8 ft. 
.FRI...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.FRI NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. 

ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W

.TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED...W winds less than 10 kt W of 70W, and S 10 to 15 kt
elsewhere. Seas 4 to 5 ft. 
.WED NIGHT...W of 70W, NW winds less than 10 kt, increasing to
10 to 20 kt after midnight. Elsewhere, SW winds less than 10 kt.
Seas 4 to 5 ft. 
.THU...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. 
.FRI...NE winds 15 to 25 kt. Seas 7 to 10 ft. 
.FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SAT...E winds 15 to 20 kt. Seas 7 to 10 ft. 
.SAT NIGHT...E winds 15 to 20 kt. Seas 7 to 10 ft. 

Bahamas N of 22N

.TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 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...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.THU NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. 
.FRI...NE winds 20 to 30 kt. Seas 6 to 9 ft. 
.FRI NIGHT...E winds 20 to 30 kt. Seas 7 to 10 ft. 
.SAT...E winds 20 to 30 kt. Seas 6 to 9 ft. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. 

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

.TODAY...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.TONIGHT...E winds less than 10 kt W of 70W, and E 10 to 15 kt
elsewhere. Seas 5 to 7 ft. 
.WED...E winds less than 10 kt W of 70W, and E 10 to 15 kt
elsewhere. Seas 4 to 6 ft. 
.WED NIGHT...NE winds less than 10 kt W of 70W, and E 10 to
15 kt elsewhere. Seas 4 to 6 ft. 
.THU...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. 
.FRI...NE winds 20 to 30 kt. Seas 8 to 11 ft. 
.FRI NIGHT...NE winds 25 to 30 kt. Seas 11 to 14 ft. 
.SAT...E winds 20 to 30 kt. Seas 10 to 14 ft. 
.SAT NIGHT...E winds 20 to 25 kt. Seas 10 to 13 ft. 

ATLC waters S of 22N W of 65W

.TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 13 ft. 
.SAT...E winds 20 to 30 kt. Seas 10 to 14 ft. 
.SAT NIGHT...E winds 20 to 30 kt. Seas 10 to 14 ft. 

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

.TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. 
.WED...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.WED NIGHT...E winds 15 kt. Seas 5 to 6 ft. 
.THU...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.FRI...NE winds 10 to 15 kt. Seas 5 to 6 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. 
.SAT...NE winds 15 to 25 kt. Seas 8 to 13 ft. 
.SAT NIGHT...NE winds 20 to 25 kt. Seas 9 to 14 ft.