Offshore Forecast
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000
FZNT31 KNHC 230202
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1002 PM EDT Tue Aug 22 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...The remnant low of Harvey has emerged over water
along the coast of the NW Yucatan peninsula, with scattered
showers and thunderstorms N of 18N across the NW Caribbean
moving NW. A tropical wave along 71W-72W will move across the
central Caribbean through mid week, and the western Caribbean
later in the week. A trough extending from the N Windward
Islands to 22N56W to 27N58W will drift W and weaken through Fri.

NW Caribbean W of 85W

.OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 ft.
.THU...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft.
.SAT...SE winds 15 to 25 kt. Seas 5 to 7 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.

Caribbean N of 15N between 72W and 85W

.OVERNIGHT...E winds 10 to 15 kt S of 18N, and NE less than
10 kt elsewhere. Seas 3 to 5 ft.
.WED...E winds 10 to 20 kt S of 18N, and E less than 10 kt
elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere.
.WED NIGHT...E winds 10 to 15 kt S of 18N, and SE less than
10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less
elsewhere.
.THU...S of 18N, E winds 10 to 20 kt,Seas 3 to 5 ft. Elsewhere,
SE winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon,Seas 2 ft or less, building to 3 ft in the afternoon.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...SE winds 10 to 20 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 3 to 5 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

Caribbean from 11N to 15N W of 72W

.OVERNIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.WED...E winds 10 to 20 kt. Seas 4 to 6 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 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.
.FRI...E 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...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

SW Caribbean S of 11N

.OVERNIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft.
.WED...NE winds less than 10 kt, shifting to SW in the
afternoon. Seas 3 to 4 ft.
.WED NIGHT...W winds less than 10 kt. Seas 3 to 4 ft.
.THU...S winds less than 10 kt. Seas 3 ft.
.THU NIGHT...S winds less than 10 kt. Seas 3 ft.
.FRI...Variable winds less than 10 kt. Seas 3 ft.
.FRI NIGHT...N winds less than 10 kt. Seas 3 to 4 ft.
.SAT...N winds less than 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 5 ft.
.SUN...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft.
.SUN NIGHT...NE winds less than 10 kt, shifting to S after
midnight. Seas 3 to 5 ft.

Caribbean between 64W and 72W

.OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.WED...E winds 10 to 20 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.
.FRI...E winds 10 to 20 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 3 to 4 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.

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

.OVERNIGHT...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 less than 10 kt, increasing to 10 to 15 kt
after midnight. 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 3 to 5 ft.
.SUN 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

.OVERNIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.WED...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 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 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 3 to 5 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A surface trough from the NW Bahamas to NW Cuba will
move slowly W across Florida tonight and Wed, bringing showers
and thunderstorms through the Bahamas and into Florida through
late Thu. A trough across the central Atlc will move W and reach
 across the Leeward Islands late Wed, then continue W and
gradually merge with a weak trough forming off the east coast of
Florida by Sat.

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

.OVERNIGHT...SE winds 10 kt. Seas 4 to 5 ft.
.WED...S winds less than 10 kt. Seas 4 ft.
.WED NIGHT...S winds 10 to 15 kt. Seas 4 ft.
.THU...S winds 10 to 15 kt. Seas 4 ft.
.THU NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft.
.FRI...S winds less than 10 kt. Seas 4 to 5 ft.
.FRI NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.
.SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...S winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft.

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

.OVERNIGHT...E winds less than 10 kt. Seas 4 to 5 ft.
.WED...E 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.
.FRI...S winds 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...S winds less than 10 kt. Seas 3 to 4 ft.
.SAT...S winds less than 10 kt. Seas 3 ft.
.SAT NIGHT...SE winds less than 10 kt. Seas 3 ft.
.SUN...SE winds less than 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...SE winds less than 10 kt, shifting to S after
midnight. Seas 3 to 5 ft.

Bahamas N of 22N

.OVERNIGHT...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 less than 10 kt. Seas 3 ft.
.FRI...S winds less than 10 kt. Seas 3 ft.
.FRI NIGHT...SE winds less than 10 kt. Seas 2 ft or less.
.SAT...SE winds less than 10 kt. Seas 2 ft or less.
.SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less.
.SUN...SE winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 2 ft or less.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less.

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

.OVERNIGHT...E winds 10 to 15 kt W of 70W, and E less than 10 kt
elsewhere. Seas 4 to 5 ft.
.WED...E winds 10 kt W of 70W, and Variable less than 10 kt
elsewhere. 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 less than 10 kt. Seas 3 to 4 ft.
.FRI...SE winds 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.SAT...E winds 10 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds 10 kt. Seas 3 to 4 ft.
.SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft.

ATLC waters S of 22N W of 65W

.OVERNIGHT...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...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. 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 4 ft.
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

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

.OVERNIGHT...E winds less than 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 kt. Seas 4 to 5 ft.
.THU NIGHT...E winds 10 to 15 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.
.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 4 to 5 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.


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