Offshore Forecast
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000
FZNT31 KNHC 171443
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
943 AM EST Wed Jan 17 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...A weakening stationary front from central Cuba to
17N80W will dissipate later today. A cold front in the Gulf of
Mexico will reach the NW Caribbean tonight, then extend from
central Cuba to Honduras Thu. Fresh to strong winds and
widespread showers are expected behind the front through Thu
night. Strong trade winds will pulse near the NW Colombia coast
Fri night and then expand across much of the central Caribbean
over the weekend.

NW Caribbean W of 85W

.TODAY...N winds 10 to 20 kt. Seas 6 to 8 ft.
.TONIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft.
.THU...NE winds 15 to 25 kt. Seas 8 to 11 ft.
.THU NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft.
.FRI...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...NE 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 15 kt. Seas 3 to 5 ft.

Caribbean N of 15N between 72W and 85W

.TODAY...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.TONIGHT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt
elsewhere. Seas 5 to 7 ft.
.THU...NE winds 15 to 25 kt. Seas 6 to 9 ft.
.THU NIGHT...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 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 20 kt. Seas 6 to 8 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.

Caribbean from 11N to 15N W of 72W

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

SW Caribbean S of 11N

.TODAY...NE winds 10 to 15 kt. Seas 6 to 8 ft.
.TONIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft.
.THU...N winds 10 to 15 kt. Seas 5 to 7 ft.
.THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.SUN...NE winds 10 to 20 kt. Seas 7 to 10 ft.
.SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft.

Caribbean between 64W and 72W

.TODAY...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 4 to 6 ft.
.TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to
15 kt elsewhere. Seas 4 to 6 ft.
.THU...NE winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt
elsewhere. Seas 4 to 6 ft.
.THU NIGHT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to
15 kt elsewhere. Seas 4 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.
.SAT...E winds 10 to 20 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 6 to 9 ft.

Offshore Leeward Islands and adjacent ATLC waters from 15N to
19N 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.
.THU...E winds 10 to 15 kt. Seas 5 to 7 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 20 kt. Seas 5 to 7 ft.
.SAT NIGHT...E 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 20 kt. Seas 6 to 8 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 8 ft.
.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...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 20 kt. Seas 5 to 7 ft.
.SAT NIGHT...E 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 6 to 8 ft.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A weak stationary front from 31N66W to central Cuba
will dissipate later today. A strong cold front will move off
Florida this afternoon, extend from 31N69W to eastern Cuba Thu,
then weaken SE of the Bahamas from 24N65W to the Windward
Passage on Fri. Strong high pressure behind the front will bring
strong winds and high seas NE of the Bahamas Wed through Thu
night. Developing low pres just N of the area along the front
will support gales N of 30N just W of the front Thu.

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

.TODAY...NW winds 10 to 20 kt. Seas 6 to 7 ft.
.TONIGHT...NW winds 15 to 25 kt. Seas 8 to 11 ft.
.THU...N winds 20 to 25 kt, diminishing to 10 to 20 kt in the
afternoon. Seas 8 to 11 ft.
.THU NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft.
.FRI...N winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 5 to 7 ft.
.FRI NIGHT...Variable winds less than 10 kt, becoming E less
than 10 kt after midnight. Seas 3 to 5 ft.
.SAT...E winds less than 10 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.SUN...E winds 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...E winds 10 kt. Seas 3 to 5 ft.

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

...GALE WARNING...

.TODAY...W of 70W, E winds less than 10 kt, shifting to S in the
afternoon. Elsewhere, NE winds less than 10 kt. Seas 7 to 9 ft.
.TONIGHT...W of 70W, SW winds 10 to 20 kt, becoming W 20 to
30 kt after midnight, Seas 7 to 8 ft, building to 8 to 11 ft
after midnight. Elsewhere, Variable winds less than 10 kt,
becoming SW 10 to 15 kt after midnight,Seas 6 to 8 ft.
.THU...NW winds 25 to 35 kt W of 70W, and W 20 to 30 kt
elsewhere. Seas 8 to 13 ft.
.THU NIGHT...W of 70W, N winds 10 to 20 kt. Elsewhere, NW winds
15 to 25 kt, shifting to N 10 to 15 kt after midnight. Seas 8 to
13 ft.
.FRI...N winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 8 to 11 ft.
.FRI NIGHT...NE winds less than 10 kt. Seas 6 to 9 ft.
.SAT...E winds less than 10 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 4 to 6 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.

Bahamas N of 22N

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

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

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

ATLC waters S of 22N W of 65W

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



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