Offshore Forecast
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000
FZNT31 KNHC 230901
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
401 AM EST Thu Nov 23 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 trough will linger in the west-central Caribbean
through Friday night. A cold front will enter the NW Caribbean
early on Friday, then slowly move across the NW Caribbean
through Saturday while it weakens.

NW Caribbean W of 85W

.TODAY...W winds 10 to 15 kt. Seas 2 ft or less, building to
3 ft in the afternoon.
.TONIGHT...W winds 10 to 20 kt. Seas 3 to 4 ft.
.FRI...NW winds 10 to 20 kt. Seas 3 to 5 ft.
.FRI NIGHT...NW winds 10 to 15 kt, diminishing to less than
10 kt after midnight. Seas 3 ft.
.SAT...NW winds less than 10 kt. Seas 2 ft or less.
.SAT NIGHT...N winds less than 10 kt. Seas 2 ft or less.
.SUN...NW winds 10 to 15 kt. Seas 3 ft.
.SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft.
.MON...NW winds 10 to 20 kt. Seas 3 to 5 ft.
.MON NIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 3 to 5 ft.

Caribbean N of 15N between 72W and 85W

.TODAY...S of 18N, E winds 10 to 15 kt. Elsewhere, NE winds less
than 10 kt, shifting to S in the afternoon. Seas 3 to 5 ft S of
18N, and 2 ft or less elsewhere.
.TONIGHT...NE winds 10 to 15 kt S of 18N, and NW less than 10 kt
elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere.
.FRI...NE winds 10 to 15 kt S of 18N, and W less than 10 kt
elsewhere. S of 18N, seas 3 to 5 ft. Elsewhere, seas 2 ft or
less, building to 3 ft in the afternoon.
.FRI NIGHT...NE winds 10 to 15 kt S of 18N, and N less than
10 kt elsewhere. Seas 3 ft.
.SAT...NE winds 10 to 15 kt. Seas 3 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 ft.
.SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.

Caribbean from 11N to 15N W of 72W

.TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 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.

SW Caribbean S of 11N

.TODAY...W winds less than 10 kt. Seas 3 ft.
.TONIGHT...NW winds less than 10 kt. Seas 2 ft or less.
.FRI...NW winds less than 10 kt. Seas 3 ft.
.FRI NIGHT...NW winds less than 10 kt. Seas 3 to 4 ft.
.SAT...NW winds less than 10 kt. Seas 3 to 4 ft.
.SAT NIGHT...N winds less than 10 kt. Seas 3 to 4 ft.
.SUN...NW winds less than 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...N winds less than 10 kt. Seas 3 to 4 ft.
.MON...N winds less than 10 kt, shifting to NW in the afternoon.
Seas 3 to 5 ft.
.MON NIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 4 to 6 ft.

Caribbean between 64W and 72W

.TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to
15 kt elsewhere. Seas 3 to 4 ft.
.FRI...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to
15 kt elsewhere. Seas 3 to 5 ft.
.SAT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 10 to 15 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 5 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 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, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft.
.SUN NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.
.MON...SE winds less than 10 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.

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

.TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft.
.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...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 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 5 to 7 ft.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A cold front extends from a 1008 mb low near 30N67W
to the SE Bahamas. Strong to gale force winds and combined seas
of near 15 ft are associated with the low. These marine
conditions will exit forecast zone AMZ115 late this morning as
the low pressure moves north of area. Another low pressure
system, currently in the eastern Gulf of Mexico, will move
across Florida into the SW N Atlantic by this evening. The
associated cold front will move across the forecast area through
Sunday night.

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

.TODAY...SE winds 10 to 15 kt. Seas 5 to 6 ft.
.TONIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft.
.FRI...NW winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT...NW winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...NW winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN...N winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.

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

.TODAY...W of 70W, E winds less than 10 kt. Elsewhere, NW winds
10 to 15 kt, shifting to N in the afternoon. Seas 5 to 7 ft W of
70W, and 7 to 10 ft elsewhere.
.TONIGHT...W of 70W, SE winds less than 10 kt, shifting to S
after midnight. Elsewhere, Variable winds less than 10 kt,
becoming S less than 10 kt after midnight. Seas 5 to 7 ft.
.FRI...W of 70W, SW winds 10 to 15 kt. Elsewhere, S 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 15 kt. Seas 4 to 6 ft.
.SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN...NW winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft.
.MON...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.

Bahamas N of 22N

.TODAY...S winds less than 10 kt. Seas 3 ft.
.TONIGHT...S winds less than 10 kt. Seas 2 ft or less.
.FRI...S winds less than 10 kt. Seas 2 ft or less, building to
3 ft in the afternoon.
.FRI NIGHT...SW winds less than 10 kt. Seas 2 ft or less.
.SAT...W winds less than 10 kt. Seas 2 ft or less.
.SAT NIGHT...NW winds less than 10 kt. Seas 2 ft or less.
.SUN...N winds less than 10 kt. Seas 2 ft or less.
.SUN NIGHT...N winds 10 to 15 kt. Seas 3 ft.
.MON...NE winds 10 to 15 kt. Seas 3 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.

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

.TODAY...Variable winds less than 10 kt. Seas 5 to 7 ft.
.TONIGHT...S winds less than 10 kt W of 70W, and Variable less
than 10 kt elsewhere. Seas 5 to 6 ft.
.FRI...SE winds less than 10 kt. Seas 4 to 5 ft.
.FRI NIGHT...SE winds 10 kt. Seas 4 to 5 ft.
.SAT...S winds less than 10 kt. Seas 4 to 5 ft.
.SAT NIGHT...S winds less than 10 kt. Seas 4 to 5 ft.
.SUN...W winds less than 10 kt. Seas 3 to 5 ft.
.SUN NIGHT...W winds less than 10 kt, shifting to NE after
midnight. Seas 4 to 5 ft.
.MON...NE winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 3 to 5 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.

ATLC waters S of 22N W of 65W

.TODAY...Variable winds less than 10 kt, becoming E less than
10 kt in the afternoon. Seas 3 to 5 ft.
.TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft.
.FRI...E winds less than 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft.
.SAT NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.
.SUN...SE winds less than 10 kt. Seas 3 to 5 ft.
.SUN NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft.
.MON...SE winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.

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

.TODAY...E winds 10 to 15 kt. Seas 6 to 7 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.FRI...E winds 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 5 to 6 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.MON...SE winds 10 kt. Seas 5 to 6 ft.
.MON NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.



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