Offshore Forecast
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000
FZNT31 KNHC 280218
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1018 PM EDT Thu Jul 27 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 south-
central Caribbean through the next several days. Mainly moderate
to locally fresh trades will prevail elsewhere, except gentle to
moderate winds in the NW Caribbean through the weekend. Moderate
to fresh trades are forecast across the waters E of the Lesser
Antilles Sun through through Tue night with building seas of
8 to 9 ft.

NW Caribbean W of 85W

.OVERNIGHT...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 3 ft in the evening,
subsiding to 2 ft or less.
.SAT...SE winds less than 10 kt. Seas 2 ft or less.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft.
.SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft.
.MON...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.

Caribbean N of 15N between 72W and 85W

.OVERNIGHT...S of 18N, E winds 10 to 15 kt,Seas 4 to 6 ft.
Elsewhere, E winds less than 10 kt, becoming variable winds less
than 10 kt,Seas 3 to 4 ft, subsiding to 2 ft or less.
.FRI...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 2 ft or less elsewhere.
.FRI NIGHT...E winds 10 to 15 kt S of 18N, and Variable less
than 10 kt elsewhere. Seas 4 to 6 ft S of 18N, and 2 ft or less
elsewhere.
.SAT...E winds 10 to 20 kt S of 18N, and SE less than 10 kt
elsewhere. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...E winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.MON...E winds 10 to 20 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds 10 to 15 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.

Caribbean from 11N to 15N W of 72W

.OVERNIGHT...E winds 15 to 25 kt within 90 nm of coast of
Colombia, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft.
.FRI...E winds 15 to 25 kt within 90 nm of coast of Colombia,
and E 10 to 20 kt elsewhere. Seas 6 to 8 ft.
.FRI NIGHT...NE winds 15 to 20 kt within 90 nm of coast of
Colombia, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft.
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...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 20 kt. Seas 5 to 7 ft.
.TUE...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

SW Caribbean S of 11N

.OVERNIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI NIGHT...N winds less than 10 kt. Seas 4 to 6 ft.
.SAT...N winds less than 10 kt, shifting to SW in the afternoon.
Seas 3 to 5 ft.
.SAT NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft.
.SUN...W winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft.
.MON...Variable winds less than 10 kt. Seas 3 to 4 ft.
.MON NIGHT...Variable winds less than 10 kt, becoming SW less
than 10 kt after midnight. Seas 3 to 4 ft.
.TUE...Variable winds less than 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft.

Caribbean between 64W and 72W

.OVERNIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 4 to 6 ft.
.FRI...E winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI NIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 4 to 6 ft.
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...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 20 kt. Seas 5 to 7 ft.
.TUE...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE 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

.OVERNIGHT...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.
.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 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 20 kt. Seas 6 to 9 ft.
.TUE...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.

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

.OVERNIGHT...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.
.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.
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A ridge will dominate the basin through the next
several days. A weak cold front reach the far NW waters on Sun,
and stall from 31N76W to 29N81W on Mon, then drift NW late Tue,
and move north of area on Wed. Expect moderate to fresh winds
and
building seas across the south waters Sun through Tue as the
Atlantic ridge strengthens.

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

.OVERNIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI...S winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT NIGHT...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...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...SW winds 10 to 15 kt, shifting to S after midnight.
Seas 3 to 5 ft.
.TUE...S winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 3 to 5 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.

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

.OVERNIGHT...Variable winds less than 10 kt, becoming SW less
than 10 kt after midnight. Seas 3 to 4 ft.
.FRI...SW winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...SW winds less than 10 kt, shifting to S after
midnight. Seas 3 to 4 ft.
.SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN...S winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft.
.MON...S winds 10 to 20 kt. Seas 5 to 7 ft.
.MON NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE...S winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE NIGHT...S winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 5 to 7 ft.

Bahamas N of 22N

.OVERNIGHT...E winds less than 10 kt. Seas 2 ft or less.
.FRI...SE winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...SE winds less than 10 kt. Seas 2 ft or less.
.SAT...S winds less than 10 kt. Seas 2 ft or less.
.SAT NIGHT...S winds less than 10 kt. Seas 2 ft or less.
.SUN...SW winds less than 10 kt. Seas 2 ft or less.
.SUN NIGHT...S winds less than 10 kt. Seas 2 ft or less.
.MON...S winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 ft or less.
.MON NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less, building to 3 to 4 ft after
midnight.
.TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft.

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

.OVERNIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.FRI...SE winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...SE winds less than 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...S winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.
.MON...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft.

ATLC waters S of 22N W of 65W

.OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI...SE winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft.
.SAT...SE winds less than 10 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds less than 10 kt, shifting to SE after
midnight. Seas 3 to 4 ft.
.SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.MON...SE winds 10 to 20 kt. Seas 3 to 5 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.

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

.OVERNIGHT...SE winds 10 kt. Seas 4 to 5 ft.
.FRI...SE winds 10 to 15 kt. Seas 4 to 5 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.SAT...E winds 10 to 15 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 5 to 6 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.MON...E winds 15 to 20 kt. Seas 6 to 8 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TUE...E winds 15 to 20 kt. Seas 7 to 9 ft.
.TUE NIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft.



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