Offshore Forecast
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000
FZNT31 KNHC 140229
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
929 PM EST Wed Dec 13 2017

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...A weakening stationary front extending from the
Windward Passage to just S of Jamaica to central Panama will
dissipate to a remnant trough tonight. Strong north winds W of
the front will gradually diminish from the NW through Thu
evening. Strong nocturnal trades will resume along the coast of
Colombia starting Thu night, with near gale force winds possible
Sat night and Sun night.

NW Caribbean W of 85W

.TONIGHT...N winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 3 to 4 ft.
.THU...Variable winds less than 10 kt, becoming NE less than
10 kt in the afternoon. Seas 2 ft or less.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 ft.
.FRI...E winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 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 4 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.

Caribbean N of 15N between 72W and 85W

.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...E winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds 10 to 20 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 5 to 7 ft.
.SUN...E winds 15 to 25 kt. Seas 6 to 9 ft.
.SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft.
.MON...E winds 15 to 25 kt. Seas 6 to 9 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.

Caribbean from 11N to 15N W of 72W

...GALE CONDITIONS POSSIBLE SAT NIGHT AND SUN NIGHT...

.TONIGHT...E winds 10 to 20 kt within 90 nm of coast of
Colombia, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft.
.THU...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.THU NIGHT...E winds 20 to 25 kt within 90 nm of coast of
Colombia, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft.
.FRI...E winds 20 to 25 kt within 90 nm of coast of Colombia,
and E 15 to 25 kt elsewhere. Seas 6 to 8 ft.
.FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft.
.SAT...E winds 15 to 25 kt. Seas 7 to 10 ft.
.SAT NIGHT...Within 90 nm of coast of Colombia between 73W and
76W NE winds 25 to 35 kt. Seas 10 to 14 ft. Elsewhere...E winds
15 to 25 kt. Seas 8 to 11 ft.
.SUN...E winds 20 to 30 kt. Seas 8 to 13 ft.
.SUN NIGHT...Within 90 nm of coast of Colombia between 73W and
76W NE winds 25 to 35 kt. Elsewhere...E winds 15 to 25 kt. Seas
9 to 14 ft.
.MON...E winds 20 to 30 kt. Seas 9 to 14 ft.
.MON NIGHT...E winds 20 to 30 kt. Seas 8 to 12 ft.

SW Caribbean S of 11N

.TONIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft.
.THU...NE winds 10 to 15 kt. Seas 6 to 8 ft.
.THU NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.SAT NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft.
.SUN...NE winds 15 to 25 kt. Seas 8 to 11 ft.
.SUN NIGHT...NE winds 15 to 25 kt. Seas 8 to 13 ft.
.MON...E winds 10 to 20 kt. Seas 8 to 13 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft.

Caribbean between 64W and 72W

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

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

.TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 4 to 6 ft.
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...E 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 6 to 8 ft.
.SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN...E winds 10 to 20 kt. Seas 6 to 8 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.MON...E winds 10 to 20 kt. Seas 5 to 7 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft.

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

.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.THU...E 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 5 to 7 ft.
.FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 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.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A cold front reaching from 31N62W to 25N70W to
central Cuba near 22N78W will move SE and reach from 31N59W to
26N68W by Thu afternoon, then stall and eventually dissipate
along 22N on Fri. A ridge will build along 25N through Thu in the
wake of the front. Another cold front will move off the NE
Florida coast early Fri, reach from Bermuda to South Florida Sat,
then reach from 24N65W to eastern Cuba early Sun.

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

.TONIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft.
.THU...W winds 10 to 20 kt. Seas 4 to 6 ft.
.THU NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...N winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...NE winds 10 kt. Seas 3 to 4 ft.
.SUN...SE winds 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.MON...S winds 10 kt. Seas 3 to 4 ft.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.

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

.TONIGHT...W winds 10 to 15 kt. W of 70W, seas 8 to 13 ft,
subsiding to 7 to 10 ft after midnight. Elsewhere, seas 10 to
15 ft.
.THU...W winds 10 to 20 kt. Seas 7 to 10 ft.
.THU NIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft.
.FRI...SW winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 5 to 7 ft.
.FRI NIGHT...SW winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT...NW winds 10 to 20 kt. Seas 6 to 9 ft.
.SAT NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft.
.SUN...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.MON...SE winds 10 kt. Seas 4 to 6 ft.
.MON NIGHT...S winds less than 10 kt. Seas 4 to 6 ft.

Bahamas N of 22N

.TONIGHT...N winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 3 to 5 ft.
.THU...Variable winds less than 10 kt. Seas 2 to 3 ft.
.THU NIGHT...E winds less than 10 kt. Seas 2 ft or less.
.FRI...E winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...NE winds less than 10 kt. Seas 2 to 3 ft.
.SAT...NE winds 10 to 15 kt. Seas 2 ft or less.
.SAT NIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft.
.SUN...E winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

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

.TONIGHT...NW winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 7 to 10 ft W of 70W, and
6 to 8 ft elsewhere.
.THU...Variable winds less than 10 kt. Seas 6 to 9 ft.
.THU NIGHT...E winds less than 10 kt. Seas 5 to 7 ft.
.FRI...SE winds less than 10 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.
.SAT...N winds less than 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.MON...E winds 10 to 15 kt. Seas 6 to 8 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.

ATLC waters S of 22N W of 65W

.TONIGHT...NE winds 10 to 15 kt, shifting to E after midnight.
Seas 3 to 5 ft.
.THU...E winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...E winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.MON...E winds 10 to 20 kt. Seas 6 to 8 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

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

.TONIGHT...Variable winds less than 10 kt, becoming E less than
10 kt after midnight. Seas 4 to 6 ft.
.THU...E winds 10 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI...E winds 10 to 15 kt. Seas 6 to 8 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft.
.SAT...NE winds 10 to 15 kt. Seas 6 to 8 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft.
.SUN...NE winds 10 to 20 kt. Seas 6 to 7 ft.
.SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 7 ft.
.MON...E winds 15 to 20 kt. Seas 6 to 8 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 7 to 8 ft.


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