Offshore Forecast
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000
FZNT31 KNHC 201503
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1103 AM EDT Sun Aug 20 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...Scattered thunderstorms and strong winds will
accompany the remnant low of Harvey, currently in the central
Caribbean near 14N75W, as it moves through the W Caribbean into
Belize and the Yucatan peninsula Tue. A tropical wave moving from
the western Caribbean into Central America will shift W of the
area tonight. Another tropical wave extending from Puerto Rico to
northern Venezuela will move across the central Caribbean
through Tue, and across the western Caribbean though mid week.
Yet another tropical wave will pass 55W Tue, and enter the
eastern Caribbean early Wed.

NW Caribbean W of 85W

.THIS AFTERNOON...NE to E winds 10 to 15 kt. Seas 2 ft or less,
building to 3 ft in the afternoon.
.TONIGHT...E winds 10 to 15 kt. Seas 3 ft.
.MON...NE to E winds 10 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft, building to
5 to 7 ft late.
.TUE...E to SE winds 15 to 20 kt. Seas 5 to 7 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.WED...E to SE winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 4 ft.
.THU...E to SE winds 10 to 15 kt. Seas 3 to 4 ft.
.THU NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft.

Caribbean N of 15N between 72W and 85W

.THIS AFTERNOON...E winds 15 to 25 kt S of 18N, and E 10 to
15 kt elsewhere. Seas 5 to 7 ft.
.TONIGHT...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 15 kt. Seas 4 to 6 ft.
.TUE...E winds 10 to 20 kt. Seas 3 to 5 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.

Caribbean from 11N to 15N W of 72W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TONIGHT...Within 90 nm of coast of Colombia, SE winds less
than 10 kt, shifting to E after midnight. Elsewhere, E winds
10 to 15 kt. Seas 5 to 7 ft.
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE...E winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.THU...E winds 10 to 20 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.

SW Caribbean S of 11N

.THIS AFTERNOON...W winds less than 10 kt. Seas 3 to 4 ft.
.TONIGHT...SW winds less than 10 kt. Seas 3 to 4 ft.
.MON...Variable winds less than 10 kt. Seas 3 to 5 ft.
.MON NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft.
.TUE...N winds less than 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...NW winds less than 10 kt. Seas 3 to 4 ft.
.WED...Variable winds less than 10 kt, becoming SW less than
10 kt in the afternoon. Seas 3 to 4 ft.
.WED NIGHT...W winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 3 to 4 ft.
.THU...Variable winds less than 10 kt, becoming S less than
10 kt in the afternoon. Seas 3 ft.
.THU NIGHT...S winds less than 10 kt. Seas 3 ft.

Caribbean between 64W and 72W

.THIS AFTERNOON...Gulf of Venezuela, E winds 10 to 15 kt,
shifting to NE in the afternoon. Elsewhere, E winds 10 to 20 kt.
Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere.
.TONIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of
Venezuela, and 4 to 6 ft elsewhere.
.MON...E winds 10 to 20 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE...E winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.THU...E winds 10 to 20 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.

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

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TONIGHT...E winds 10 to 20 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 4 to 6 ft.
.TUE...E winds less than 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.
.WED...E winds less than 10 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TONIGHT...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 3 to 5 ft.
.TUE...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A trough S of 27N along 66W will move WNW and reach
the southern Bahamas by early Mon, bringing strong winds and
building seas to the waters S of 25N, along with active
convection. A ridge along 30N will move N of the area with the
progression of the trough.

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

.THIS AFTERNOON...SE winds 5 to 10 kt N of 29N W of 79W, and
SE to S 10 to 15 kt elsewhere. Seas 3 to 4 ft.
.TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.MON...E to SE winds 10 to 15 kt. Seas 3 to 5 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...SE winds 5 to 10 kt. Seas 4 to 5 ft.
.WED...S winds 5 to 10 kt. Seas 4 ft.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.THU...S to SW winds 10 to 15 kt. Seas 4 ft.
.THU NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft.

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

.THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 5 ft.
.TONIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.MON...E winds 10 to 15 kt W of 70W, and E less than 10 kt
elsewhere. Seas 4 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt W of 70W, and NE less than
10 kt elsewhere. Seas 4 to 6 ft.
.TUE...E winds 10 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds less than 10 kt. Seas 4 to 5 ft.
.WED...SE winds less than 10 kt. Seas 4 ft.
.WED NIGHT...SE winds less than 10 kt. Seas 4 ft.
.THU...S winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...S winds less than 10 kt. Seas 3 to 4 ft.

Bahamas N of 22N

.THIS AFTERNOON...E to SE winds 15 to 20 kt. Seas 4 to 6 ft
ATLC Exposures, and 3 to 4 ft elsewhere.
.TONIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft ATLC Exposures,
and 3 to 4 ft elsewhere.
.MON...E winds 15 to 20 kt. Seas 4 to 6 ft ATLC Exposures, and
3 to 4 ft elsewhere.
.MON NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft ATLC
Exposures, and 3 ft elsewhere.
.TUE...E to SE winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...E to SE 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 10 to 15 kt. Seas 3 ft.
.THU...SE winds 10 to 15 kt. Seas 3 ft.
.THU NIGHT...SE winds 10 to 15 kt. Seas 3 ft.

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

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft W of 70W,
and 7 to 10 ft elsewhere.
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.MON...E winds 10 to 20 kt. Seas 6 to 7 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 4 to 5 ft.
.WED...E winds less than 10 kt. Seas 4 to 5 ft.
.WED NIGHT...SE winds less than 10 kt. Seas 4 ft.
.THU...SE winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...SE winds 10 kt. Seas 3 to 4 ft.

ATLC waters S of 22N W of 65W

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.MON...E winds 15 to 25 kt. Seas 5 to 8 ft.
.MON NIGHT...E winds 10 to 20 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 3 to 5 ft.
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.THU...E winds 10 to 15 kt. Seas 3 to 4 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

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

.THIS AFTERNOON...E winds 15 to 20 kt. Seas 6 to 9 ft.
.TONIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft.
.MON...NE winds 10 to 20 kt. Seas 6 to 7 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 6 ft.
.TUE...E winds 10 kt. Seas 5 to 6 ft.
.TUE NIGHT...E winds 10 kt. Seas 4 to 5 ft.
.WED...E winds 10 kt. Seas 4 to 5 ft.
.WED NIGHT...E winds 10 kt. Seas 4 to 5 ft.
.THU...E winds 10 to 15 kt. Seas 4 to 5 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.


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