Offshore Forecast
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000
FZNT31 KNHC 260852
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
452 AM EDT Wed Jul 26 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 S
central Caribbean through the next several days. Mainly moderate
to locally fresh trades will prevail elsewhere, except gentle in
the NW Caribbean by the end of the week through the weekend. A
surge of fresh winds and building seas will move into the
tropical N Atlantic Sun night.

NW Caribbean W of 85W

.TODAY...E winds 15 to 20 kt S of 17N W of 87W, and
NE to E 10 to 15 kt elsewhere. Seas 3 to 4 ft.
.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.THU...N to NE winds less than 5 kt S of 17N W of 87W, and
NE to E 5 to 10 kt elsewhere. Seas 3 to 4 ft.
.THU NIGHT...NE to E winds 10 to 15 kt S of 17N W of 87W, and
NE to E 5 to 10 kt elsewhere. Seas 3 ft.
.FRI...E winds less than 5 kt. Seas 3 ft in NE to E swell in the
morning, subsiding to 2 ft or less.
.FRI NIGHT...E winds 10 to 15 kt. Seas 2 ft or less.
.SAT...E winds 5 to 10 kt. Seas 2 ft or less.
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building
to 3 ft late.
.SUN...E winds 10 to 15 kt. Seas 3 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

Caribbean N of 15N between 72W and 85W

.TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TONIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, E winds
10 to 15 kt, diminishing to less than 10 kt after midnight.
Seas 4 to 6 ft.
.THU...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.
.THU NIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds
less than 10 kt in the evening, becoming variable.
Seas 4 to 6 ft S of 18N, and 3 to 4 ft elsewhere.
.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 20 kt. Seas 4 to 6 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.

Caribbean from 11N to 15N W of 72W

.TODAY...NE to E winds 20 to 25 kt. Seas 7 to 10 ft.
.TONIGHT...NE to E winds 20 to 25 kt Within 90 nm of coast of
Colombia, and NE to E 15 to 20 kt elsewhere. Seas 7 to 9 ft.
.THU...NE to E winds 20 to 25 kt Within 90 nm of coast of
Colombia, and NE to E 15 to 20 kt elsewhere. Seas 6 to 8 ft.
.THU NIGHT...NE to E winds 20 to 25 kt Within 90 nm of coast of
Colombia, and NE to E 15 to 20 kt elsewhere. Seas 6 to 8 ft.
.FRI...E winds 20 to 25 kt. Seas 6 to 8 ft.
.FRI NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft.
.SAT...E winds 15 to 20 kt. Seas 6 to 8 ft.
.SAT NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft.
.SUN...E winds 20 to 25 kt. Seas 6 to 9 ft.
.SUN NIGHT...E winds 20 to 25 kt. Seas 6 to 9 ft.

SW Caribbean S of 11N

.TODAY...NE to E winds 20 to 25 kt Gulf of Venezuela, and
E 15 to 20 kt elsewhere. Seas 4 to 6 ft.
.TONIGHT...NE to E winds 20 to 25 kt Gulf of Venezuela, and
E 15 to 20 kt elsewhere. Seas 4 to 6 ft.
.THU...NE to E winds 15 to 20 kt Gulf of Venezuela, and
E to SE 15 to 20 kt elsewhere. Seas 4 to 6 ft.
.THU NIGHT...NE to E winds 20 to 30 kt Gulf of Venezuela, and
E 20 to 25 kt elsewhere. Seas 5 to 7 ft.
.FRI...E to SE winds 20 to 25 kt. Seas 5 to 7 ft.
.FRI NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft.
.SAT...E to SE winds 20 to 25 kt. Seas 5 to 7 ft.
.SAT NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft.
.SUN...E winds 20 to 25 kt. Seas 5 to 7 ft.
.SUN NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft.

Caribbean between 64W and 72W

.TODAY...E winds 15 to 25 kt Gulf of Venezuela, and
E 10 to 20 kt elsewhere. Seas 4 to 6 ft.
.TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and
E 10 to 20 kt elsewhere. Seas 4 to 6 ft.
.THU...E winds 10 to 20 kt. Seas 4 to 6 ft.
.THU NIGHT...NE to E winds 20 to 30 kt Gulf of Venezuela, and
E 20 to 25 kt elsewhere. Seas 5 to 7 ft.
.FRI...E to SE winds 20 to 25 kt. Seas 5 to 7 ft.
.FRI NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft.
.SAT...E to SE winds 20 to 25 kt. Seas 5 to 7 ft.
.SAT NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft.
.SUN...E winds 20 to 25 kt. Seas 5 to 7 ft.
.SUN NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft.

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

.TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...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 3 to 5 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.
.SAT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN 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

.TODAY...E winds less than 10 kt. Seas 3 to 5 ft.
.TONIGHT...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 3 to 5 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.
.SAT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 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.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A ridge will dominate the basin through the next
several days, weakening later today as a trough moves in from E
of 65W. The ridge will rebuild Thu night into Fri while a trough
deepens over the Carolinas, increasing SW flow to fresh over NW
portions for the end of the week into the weekend. Winds will
pulse to fresh and occasionally strong from N of Hispaniola to
the approach to the Windward Passage.

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

.TODAY...S to SW winds 5 to 10 kt. Seas 2 ft or less,
building to 3 ft in the afternoon.
.TONIGHT...SE to S winds 5 to 10 kt. Seas 2 ft or less.
.THU...SE to S winds 5 to 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less.
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 3 ft.
.FRI...S winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...S to SW winds 15 to 20 kt. Seas 3 to 5 ft.
.SAT...SW winds 15 to 20 kt. Seas 4 to 6 ft.
.SAT NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...S to SW winds 5 to 10 kt. Seas 3 to 5 ft.

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

.TODAY...S winds less than 10 kt. Seas 3 to 4 ft.
.TONIGHT...Variable winds less than 10 kt, becoming SE after
midnight. Seas 3 to 4 ft.
.THU...Variable winds less than 10 kt, becoming S in the
afternoon. Seas 3 to 4 ft.
.THU NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft.
.FRI...SW winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...S winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.

Bahamas N of 22N

.TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft ATLC Exposures,
and 2 ft or less elsewhere. Isolated thunderstorms.
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft ATLC Exposures,
and 2 ft or less elsewhere.
.THU...E winds 10 to 15 kt. Seas 3 to 4 ft ATLC Exposures, and
2 ft or less elsewhere.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft ATLC Exposures,
and 2 ft or less elsewhere.
.FRI...E to SE winds 10 to 15 kt. Seas 2 ft or less.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less.
.SAT...S winds 10 to 15 kt. Seas 2 ft or less.
.SAT NIGHT...SE to S winds 10 to 15 kt. Seas 2 ft or less.
.SUN...S to SW winds 10 to 15 kt. Seas 3 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 2 ft or less.

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

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

ATLC waters S of 22N W of 65W

.TODAY...E winds 10 to 15 kt, except 20 to 25 kt near
Windward Passage before sunrise. Seas 3 to 5 ft, except up
to 7 ft before sunrise.
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 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...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.

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

.TODAY...E winds 10 to 15 kt. Seas 5 to 6 ft.
.TONIGHT...E winds 10 kt. Seas 4 to 6 ft.
.THU...SE winds 10 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 kt. Seas 4 to 5 ft.
.FRI...SE winds 10 kt. Seas 4 to 5 ft.
.FRI NIGHT...E winds 10 kt. Seas 4 to 5 ft.
.SAT...E winds 10 kt. Seas 4 to 5 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft.


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