Offshore Forecast
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000
FZNT31 KNHC 241447
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1047 AM EDT Mon Jul 24 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...Fresh to strong winds will prevail across the
Central Caribbean through Tue night, except near gale force
winds expected along the NW coast of Colombia late tonight. The
pressure gradient will then relax during mid week with strong
nocturnal trades forecast mainly along the coast of Colombia.
Moderate to locally fresh trades will prevail elsewhere.

NW Caribbean W of 85W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.TUE...E winds 10 to 15 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...NE winds less than 10 kt. Seas 3 to 4 ft.
.THU...E winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...E winds less than 10 kt. Seas 3 ft.
.FRI...E winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 3 ft.
.FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less,
building to 3 ft after midnight.

Caribbean N of 15N between 72W and 85W

.THIS AFTERNOON...E winds 10 to 20 kt S of 18N, and E less than
10 kt elsewhere. Seas 5 to 7 ft S of 18N, and 3 to 4 ft
elsewhere.
.TONIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds
less than 10 kt, increasing to 10 to 15 kt after midnight. Seas
5 to 7 ft S of 18N, and 3 to 4 ft elsewhere.
.TUE...S of 18N, E winds 15 to 25 kt. Elsewhere, E winds 10 to
15 kt, diminishing to less than 10 kt in the afternoon. Seas
6 to 9 ft S of 18N, and 3 to 5 ft elsewhere.
.TUE NIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds
less than 10 kt, shifting to NE after midnight. Seas 6 to 9 ft S
of 18N, and 3 to 5 ft elsewhere.
.WED...E winds 10 to 20 kt. Seas 5 to 7 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 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.
.FRI...E winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.

Caribbean from 11N to 15N W of 72W

.THIS AFTERNOON...E winds 15 to 25 kt. Seas 7 to 10 ft.
.TONIGHT...E winds 20 to 30 kt within 90 nm of coast of
Colombia, and E 15 to 25 kt elsewhere. Seas 7 to 10 ft.
.TUE...Within 90 nm of coast of Colombia, E winds 25 to 30 kt,
diminishing to 15 to 25 kt in the afternoon. Elsewhere, E winds
15 to 25 kt. Seas 8 to 11 ft.
.TUE NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft.
.WED...E winds 15 to 25 kt. Seas 7 to 10 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.THU...E winds 10 to 20 kt. Seas 6 to 8 ft.
.THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI...E winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

SW Caribbean S of 11N

.THIS AFTERNOON...NE winds less than 10 kt. Seas 5 to 7 ft.
.TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE...SE winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE NIGHT...N winds less than 10 kt, shifting to NE after
midnight. Seas 6 to 9 ft.
.WED...E winds 10 to 15 kt, shifting to SE in the afternoon.
Seas 6 to 8 ft.
.WED NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft.
.THU...N winds less than 10 kt. Seas 4 to 6 ft.
.THU NIGHT...N winds less than 10 kt. Seas 4 to 6 ft.
.FRI...NW winds less than 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft.

Caribbean between 64W and 72W

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 6 to 8 ft.
.TUE...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt
elsewhere. Seas 5 to 7 ft.
.TUE NIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 5 to 7 ft.
.WED...E winds 10 to 20 kt. Seas 4 to 6 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 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.

Offshore Leeward Islands and adjacent ATLC waters from 15N to
19N 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 5 ft.
.TUE...E winds 10 to 15 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...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...E winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 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 5 ft.
.TUE...SE winds 10 to 15 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...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...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 3 to 5 ft.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...An E to W ridge will meander along 29N through Tue
night, then shift S to a position from 27N65W to Palm Beach, FL
by mid week. Fresh to locally strong E winds will develop along
the N coast of Hispaniola and the Atlc approach to the Windward
Passage through the middle of the week. Fresh SW flow forecast N
of the ridge across the waters N of 29N W of 77W by the end of
the week.

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

.THIS AFTERNOON...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE...S winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.WED...S winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.THU...S winds 10 to 15 kt. Seas 3 to 4 ft.
.THU NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft.

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

.THIS AFTERNOON...S winds 10 kt. Seas 3 to 4 ft.
.TONIGHT...S winds 10 kt. Seas 3 to 4 ft.
.TUE...S winds 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.
.WED...SE winds less than 10 kt. Seas 3 to 4 ft.
.WED NIGHT...Variable winds less than 10 kt, becoming SE less
than 10 kt after midnight. Seas 3 to 4 ft.
.THU...S winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...Variable winds less than 10 kt, becoming S less
than 10 kt after midnight. Seas 3 to 4 ft.
.FRI...SW winds 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.

Bahamas N of 22N

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 ft.
.TONIGHT...SE winds 10 to 15 kt. Seas 3 ft.
.TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft.
.WED...E winds 10 to 15 kt. Seas 3 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 ft.
.THU...E winds 10 to 15 kt. Seas 3 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 2 ft or less.
.FRI...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 2 ft or less.
.FRI NIGHT...SE winds less than 10 kt. Seas 2 ft or less.

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

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 4 to 5 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.TUE...E winds 10 to 15 kt. Seas 4 to 5 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.WED...E winds 10 to 15 kt. Seas 4 to 5 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.THU...E winds 10 kt. Seas 3 to 4 ft.
.THU NIGHT...E winds 10 kt. Seas 3 to 4 ft.
.FRI...SE winds 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...SE winds 10 kt. Seas 3 to 4 ft.

ATLC waters S of 22N W of 65W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 5 ft.
.TONIGHT...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 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.
.FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft.

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 5 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.TUE...E winds 10 to 15 kt. Seas 4 to 5 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.WED...E winds 10 to 15 kt. Seas 4 to 5 ft.
.WED NIGHT...E winds 10 kt. Seas 4 to 5 ft.
.THU...E winds 10 kt. Seas 4 to 5 ft.
.THU NIGHT...E winds 10 kt. Seas 4 to 5 ft.
.FRI...E winds 10 to 15 kt. Seas 4 to 5 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.


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