Offshore Forecast
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000
FZNT31 KNHC 162110
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
410 PM EST Sat Dec 16 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 intensify to gale force beginning tonight, then diminish
slightly each day through Tuesday. Fresh to strong NE to E winds
will develop to the lee of Cuba and across the Windward Passage
Saturday night through Tuesday. On Wednesday, these winds will
be confined from the Windward Passage to Jamaica.

NW Caribbean W of 85W

.TONIGHT...E 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 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 15 kt. Seas 4 to 6 ft.
.WED...E winds 10 to 15 kt. Seas 4 to 6 ft.
.WED NIGHT...E winds 10 kt. Seas 3 to 5 ft.
.THU...E winds 10 kt. Seas 3 to 4 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

Caribbean N of 15N between 72W and 85W

.TONIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt
elsewhere. Seas 6 to 9 ft S of 18N, and 5 to 7 ft elsewhere.
.SUN...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt
elsewhere. Seas 7 to 10 ft S of 18N, and 5 to 7 ft elsewhere.
.SUN NIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt
elsewhere. Seas 8 to 11 ft S of 18N, and 6 to 8 ft elsewhere.
.MON...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt
elsewhere. Seas 8 to 11 ft S of 18N, and 6 to 8 ft elsewhere.
.MON NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft.
.TUE...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.WED...E winds 10 to 20 kt. Seas 6 to 8 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.THU...E winds 10 to 20 kt. Seas 5 to 7 ft.
.THU 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 25 to 35 kt within 90 nm of coast of
Colombia, and E 15 to 25 kt elsewhere. Seas 8 to 13 ft.
.SUN...E winds 20 to 30 kt within 90 nm of coast of Colombia,
and E 15 to 25 kt elsewhere. Seas 8 to 13 ft.
.SUN NIGHT...E winds 25 to 35 kt within 90 nm of coast of
Colombia, and E 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 13 ft.
.TUE...E winds 15 to 25 kt. Seas 8 to 13 ft.
.TUE NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft.
.WED...E winds 15 to 25 kt. Seas 8 to 11 ft.
.WED NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft.
.THU...E winds 15 to 25 kt. Seas 8 to 11 ft.
.THU NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft.

SW Caribbean S of 11N

.TONIGHT...NE winds 15 to 25 kt. Seas 8 to 13 ft.
.SUN...NE winds 15 to 25 kt. Seas 8 to 13 ft.
.SUN NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft, building to
9 to 14 ft after midnight.
.MON...NE winds 15 to 25 kt. Seas 9 to 14 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 8 to 12 ft.
.TUE...NE winds 10 to 20 kt. Seas 8 to 12 ft.
.TUE NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft.
.WED...E winds 10 to 20 kt. Seas 8 to 11 ft.
.WED NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft.
.THU...NE winds 10 to 20 kt. Seas 7 to 10 ft.
.THU NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft.

Caribbean between 64W and 72W

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

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

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

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A cold front extends from 31N65W to inland central
Florida just S of Cape Canaveral. A second cold front is along
30N between 70W and 80W. This second front will merge with the
first later today with the merged front quickly moving across
the northern and central waters through through early on Sunday.
High pres will build eastward across the area in the wake of the
front. Winds will become fresh between the Bahamas and Cuba,
including the Straits of Florida, tonight through early Tuesday.
These winds will be confined to over the waters between the SE
Bahamas and northern Hispaniola through Wednesday including the
Windward Passage.

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

.TONIGHT...NE winds 10 kt. Seas 3 ft.
.SUN...E winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 3 ft.
.SUN NIGHT...Variable winds less than 10 kt. Seas 3 ft.
.MON...Variable winds less than 10 kt. Seas 3 ft.
.MON NIGHT...S winds less than 10 kt. Seas 3 ft.
.TUE...SW winds less than 10 kt. Seas 3 ft.
.TUE NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft.
.WED...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...W winds less than 10 kt. Seas 3 to 5 ft.
.THU NIGHT...NW winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 3 to 5 ft.

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

.TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft W of 70W, and
6 to 9 ft elsewhere.
.SUN...E winds less than 10 kt W of 70W, and NE 10 to 15 kt
elsewhere. Seas 3 to 5 ft W of 70W, and 6 to 8 ft elsewhere.
.SUN NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.
.MON...N winds less than 10 kt. Seas 3 to 4 ft W of 70W, and
5 to 7 ft elsewhere.
.MON NIGHT...N winds less than 10 kt, shifting to W after
midnight. Seas 3 to 5 ft.
.TUE...W winds less than 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...W winds less than 10 kt, shifting to SW after
midnight. Seas 3 to 5 ft.
.WED...SW winds 10 to 15 kt. Seas 4 to 6 ft.
.WED NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft.
.THU...SW winds 10 to 15 kt. Seas 5 to 7 ft.
.THU NIGHT...W winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 5 to 7 ft.

Bahamas N of 22N

.TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN...E winds 10 to 20 kt. Seas 3 to 4 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. Seas 3 to 4 ft.
.WED...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...SE winds less than 10 kt. Seas 3 ft.
.THU...SE winds 10 kt. Seas 3 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 ft.

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

.TONIGHT...W of 70W, NE winds 10 to 15 kt. Elsewhere, NE winds
less than 10 kt, increasing to 10 to 15 kt after midnight. Seas
3 to 5 ft.
.SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.MON...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.WED...E winds 10 to 15 kt, shifting to SE in the afternoon.
Seas 4 to 6 ft.
.WED NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft.
.THU...SE winds less than 10 kt. Seas 3 to 5 ft.
.THU NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 5 ft.

ATLC waters S of 22N W of 65W

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

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

.TONIGHT...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 15 kt. Seas 6 to 7 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft.
.TUE...NE winds 10 to 15 kt. Seas 6 to 7 ft.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft.
.WED...NE winds 10 to 15 kt. Seas 6 to 7 ft.
.WED NIGHT...NE winds 10 to 15 kt. Seas 6 ft.
.THU...E winds 10 to 15 kt. Seas 5 to 6 ft.
.THU NIGHT...E winds 15 kt. Seas 5 to 6 ft.


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