Offshore Forecast
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000
FZNT31 KNHC 170816
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
416 AM EDT Tue Oct 17 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 tropical wave currently along 78W will move
through the W Caribbean today and Wed, and through the NW
Caribbean on Thu. A second tropical wave will enter the SE
Caribbean today accompanied by SCT TS. A third wave wave will
enter the tropical waters by this evening, and will reinforce
the existing E flow resulting in strong E trades spreading W
across the Caribbean E of 73W by sunrise on Thu, and extending
across the Central Caribbean beginning on Fri, and then
persisting through the upcoming weekend.

NW Caribbean W of 85W

.TODAY...NE winds less than 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less.
.TONIGHT...NE winds less than 10 kt. Seas 2 ft or less.
.WED...NE winds less than 10 kt. Seas 2 ft or less.
.WED NIGHT...NE winds less than 10 kt. Seas 2 ft or less.
.THU...E winds less than 10 kt. Seas 2 ft or less.
.THU NIGHT...E winds less than 10 kt. Seas 2 ft or less,
building to 3 to 4 ft after midnight.
.FRI...NE winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 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.

Caribbean N of 15N between 72W and 85W

.TODAY...E winds 10 to 20 kt S of 18N, and E less than 10 kt
elsewhere. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere.
.TONIGHT...E winds 10 to 20 kt S of 18N, and E less than 10 kt
elsewhere. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere.
.WED...E winds 10 to 20 kt S of 18N, and E less than 10 kt
elsewhere. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere.
.WED NIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt
elsewhere. Seas 4 to 6 ft S of 18N, and 3 to 4 ft elsewhere.
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI...E winds 10 to 20 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 6 to 9 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.

Caribbean from 11N to 15N W of 72W

.TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TONIGHT...NE 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 6 to 8 ft.
.THU...E winds 10 to 20 kt. Seas 6 to 8 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI...E winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI NIGHT...E 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 25 kt. Seas 7 to 10 ft.

SW Caribbean S of 11N

.TODAY...NW winds less than 10 kt. Seas 3 to 4 ft.
.TONIGHT...N winds less than 10 kt. Seas 3 to 5 ft.
.WED...N winds less than 10 kt, shifting to W in the afternoon.
Seas 4 to 6 ft.
.WED NIGHT...NW winds less than 10 kt. Seas 4 to 6 ft.
.THU...Variable winds less than 10 kt, becoming SW less than
10 kt in the afternoon. Seas 3 to 5 ft.
.THU NIGHT...Variable winds less than 10 kt, becoming NW less
than 10 kt after midnight. Seas 3 to 5 ft.
.FRI...Variable winds less than 10 kt, becoming W less than
10 kt in the afternoon. Seas 3 to 4 ft.
.FRI NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft.
.SAT...Variable winds less than 10 kt, becoming W less than
10 kt in the afternoon. Seas 3 to 5 ft.
.SAT NIGHT...NW winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 4 to 6 ft.

Caribbean between 64W and 72W

.TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 6 to 8 ft.
.WED...E winds 10 to 20 kt. Seas 6 to 8 ft.
.WED NIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 6 to 8 ft.
.THU...E winds 15 to 25 kt. Seas 6 to 9 ft.
.THU NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft.
.FRI...E winds 15 to 25 kt. Seas 8 to 11 ft.
.FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 11 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.

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

.TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.WED...E winds 10 to 20 kt. Seas 6 to 9 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.THU...E winds 10 to 20 kt. Seas 6 to 9 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI...E winds 10 to 20 kt. Seas 6 to 8 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 8 ft.

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

.TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.WED...E winds 10 to 20 kt. Seas 6 to 9 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.THU...E winds 10 to 20 kt. Seas 6 to 9 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI...E winds 10 to 20 kt. Seas 6 to 9 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.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...Strong to near gale force southerly flow and
scattered thunderstorms will continue E of a trough along 73W
today. A cold front, accompanied by strong NE winds, along the
SE Georgia coast will race E to a position from 31N66W to
Florida Straits early Wed, then merge with the trough from 31N67W
to the NW Bahamas to the Florida Straits on Wed night. The
merged front will move E on Thu, then stall from 30N65W to NW
Cuba late Fri night, and gradually dissipate through Sat night.

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

.TODAY...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.TONIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft.
.WED...NE winds 15 to 25 kt. Seas 8 to 11 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.THU...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI...NE winds 10 to 20 kt. Seas 6 to 7 ft.
.FRI NIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft.
.SAT...E winds 15 to 20 kt. Seas 6 to 8 ft.
.SAT NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft.

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

.TODAY...NE winds less than 10 kt W of 70W, and SW 15 to 25 kt
elsewhere. Seas 6 to 8 ft W of 70W, and 8 to 12 ft elsewhere.
.TONIGHT...E winds 10 to 15 kt. Seas 7 to 10 ft.
.WED...E winds 10 to 15 kt W of 70W, and SE less than 10 kt
elsewhere. Seas 6 to 9 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft.
.THU...SE winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 6 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...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.

Bahamas N of 22N

.TODAY...Variable winds less than 10 kt, becoming NE less than
10 kt in the afternoon. Seas 3 to 4 ft.
.TONIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.WED...E winds less than 10 kt. Seas 3 to 4 ft.
.WED NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.
.THU...E winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...E 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 20 kt. Seas 3 to 5 ft.

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

.TODAY...W of 70W, SW winds less than 10 kt in the morning,
becoming variable winds less than 10 kt. Elsewhere, S winds
10 to 20 kt. Seas 6 to 7 ft W of 70W, and 7 to 10 ft elsewhere.
.TONIGHT...E winds less than 10 kt W of 70W, and S 10 to 15 kt
elsewhere. Seas 6 to 8 ft.
.WED...SE winds less than 10 kt. Seas 5 to 6 ft.
.WED NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft.
.THU...SE winds 10 to 15 kt. Seas 5 to 7 ft.
.THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI...SE winds 10 to 15 kt. Seas 5 to 7 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 5 to 6 ft.

ATLC waters S of 22N W of 65W

.TODAY...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.WED...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.THU...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.THU NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...SE 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.

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

.TODAY...SE winds 15 to 20 kt. Seas 7 to 8 ft.
.TONIGHT...SE winds 10 to 20 kt. Seas 7 to 8 ft.
.WED...SE winds 10 to 20 kt. Seas 7 to 8 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.THU...E winds 10 to 20 kt. Seas 6 to 7 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft.
.FRI...E winds 10 to 15 kt. Seas 5 to 7 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 5 to 7 ft.



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