Offshore Forecast
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037
FZNT31 KNHC 150312
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1012 PM EST Thu Dec 14 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...Strong nocturnal trades along the coast of Colombia
will intenisfy to gale force beginning Friday night then
diminish to just below gale force early on Saturday afternoon
before pulsing back up to gale force at night on Saturday and
Sunday.

NW Caribbean W of 85W

.TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 ft after midnight.
.FRI...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...E winds 10 to 20 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 4 to 6 ft.
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.MON...E winds 10 to 20 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.

Caribbean N of 15N between 72W and 85W

.TONIGHT...E winds 10 to 20 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 5 to 7 ft S of 18N, and
3 to 4 ft elsewhere.
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT NIGHT...E 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 7 to 10 ft.
.MON...E winds 15 to 25 kt. Seas 7 to 10 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE 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...

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

SW Caribbean S of 11N

.TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.SAT...NE winds 10 to 20 kt. Seas 7 to 10 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...NE winds 15 to 25 kt. Seas 9 to 14 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft.
.TUE...E winds 10 to 20 kt. Seas 8 to 11 ft.
.TUE NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft.

Caribbean between 64W and 72W

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

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...High pressure of 1019 mb located over the NW Bahamas
extends a ridge across much of the region. A frontal trough
extends from 23N65W to the SE Bahamas into eastern Cuba. The
trough is forecast to dissipate on Fri while a weak ridge will
persist along 25N. A weak cold front will move off the NE
Florida coast early on Friday, reach from Bermuda to S Florida
Saturday, then will stall and gradually dissipate along 25N
through early next week as high pres from the SE United States
builds eastward across the area.

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

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

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

.TONIGHT...SW winds 10 to 15 kt. Seas 6 to 9 ft.
.FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI NIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT...NW winds 10 to 20 kt. Seas 5 to 7 ft W of 70W, and 6 to
9 ft elsewhere.
.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, diminishing to less than 10 kt
after midnight. Seas 4 to 6 ft.
.MON...E winds less than 10 kt. Seas 4 to 6 ft.
.MON NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft.
.TUE...S winds less than 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...S winds less than 10 kt, shifting to SW after
midnight. Seas 4 to 6 ft.

Bahamas N of 22N

.TONIGHT...E winds less than 10 kt. Seas 2 ft or less, building
to 3 ft after midnight.
.FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 2 ft or less.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building
to 3 ft after midnight.
.SAT...NE winds 10 to 15 kt. Seas 3 ft.
.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 4 ft.
.MON...E winds 10 to 20 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.TUE...E winds 10 to 20 kt. Seas 3 to 5 ft.
.TUE NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 3 to 4 ft.

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

.TONIGHT...E winds less than 10 kt. Seas 5 to 7 ft.
.FRI...E winds 10 to 15 kt, shifting to SE in the afternoon.
Seas 4 to 6 ft.
.FRI NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.
.SAT...NE winds less than 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN NIGHT...NE 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 5 to 7 ft.
.TUE...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.

ATLC waters S of 22N W of 65W

.TONIGHT...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...NE 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 20 kt. Seas 5 to 7 ft.
.TUE...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

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

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



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