Offshore Forecast
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000
FZNT31 KNHC 192142
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
542 PM EDT Thu Oct 19 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...A tropical wave along 77W will move across the rest
of the central Caribbean through early on Friday, and across the
western Caribbean later on Friday through Saturday night. A
second tropical wave along 67W/68W will move across the
remainder of the eastern Caribbean through early Friday, then
across the central Caribbean later on Friday through Saturday
night and the western Caribbean Sunday through Monday night.
Scattered showers and thunderstorms with gusty winds will
accompany these wave. In the wake of the wave, fresh to locally
strong trades will spread westward to across the central
Caribbean on Friday and Friday, and to the western Caribbean
Saturday through most of Sunday. Low pressure may form in the
far SW Caribbean on Monday and persist into Tuesday.

NW Caribbean W of 85W

.TONIGHT...NE winds less than 10 kt. Seas 3 to 4 ft.
.FRI...NE winds less than 10 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 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 5 ft.
.MON...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft.
.MON NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft.

Caribbean N of 15N between 72W and 85W

.TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft S of 18N, and
3 to 4 ft elsewhere.
.FRI...E winds 15 to 25 kt S of 18N, and E 10 to 15 kt
elsewhere. Seas 6 to 9 ft S of 18N, and 3 to 5 ft elsewhere.
.FRI NIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 15 kt
elsewhere. Seas 6 to 9 ft S of 18N, and 3 to 5 ft elsewhere.
.SAT...E winds 15 to 25 kt. Seas 6 to 9 ft.
.SAT NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft.
.SUN...E winds 15 to 25 kt. Seas 6 to 9 ft.
.SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft.
.MON...E winds 15 to 25 kt. Seas 6 to 9 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TUE...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.

Caribbean from 11N to 15N W of 72W

.TONIGHT...E winds 15 to 25 kt within 90 nm of coast of
Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft.
.FRI...E winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft.
.SAT...E winds 15 to 25 kt. Seas 6 to 9 ft.
.SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft.
.SUN...E winds 15 to 25 kt. Seas 7 to 10 ft.
.SUN NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft.
.MON...E winds 15 to 25 kt. Seas 7 to 10 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE...E winds 15 to 25 kt. Seas 7 to 10 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.

SW Caribbean S of 11N

.TONIGHT...N winds less than 10 kt. Seas 3 to 5 ft.
.FRI...N winds less than 10 kt, shifting to W in the afternoon.
Seas 3 to 5 ft.
.FRI NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft.
.SAT...W winds less than 10 kt. Seas 4 to 6 ft.
.SAT NIGHT...Variable winds less than 10 kt. Seas 4 to 6 ft.
.SUN...Variable winds less than 10 kt, becoming SW less than
10 kt in the afternoon. Seas 4 to 6 ft.
.SUN NIGHT...W winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 4 to 6 ft.
.MON...Variable winds less than 10 kt, becoming SW less than
10 kt in the afternoon. Seas 4 to 6 ft.
.MON NIGHT...SW winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 4 to 6 ft.
.TUE...Variable winds less than 10 kt, becoming SW less than 10
kt in the afternoon. Seas 4 to 6 ft.
.TUE NIGHT...SW winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 4 to 6 ft.

Caribbean between 64W and 72W

.TONIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft Gulf of
Venezuela, and 7 to 10 ft elsewhere.
.FRI...E winds 15 to 25 kt. Seas 4 to 6 ft Gulf of Venezuela,
and 7 to 10 ft elsewhere.
.FRI NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft Gulf of
Venezuela, and 7 to 10 ft elsewhere.
.SAT...E winds 15 to 25 kt. Seas 7 to 10 ft.
.SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft.
.SUN...E winds 15 to 25 kt. Seas 7 to 10 ft.
.SUN NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft.
.MON...E winds 15 to 25 kt. Seas 6 to 9 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.

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

.TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 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.
.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 4 to 6 ft.
.MON...E winds 10 to 15 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.

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

.TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI...E winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT...E winds 10 to 20 kt. Seas 6 to 8 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.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A stationary front extends from a 1013 mb low that
is just N of the area near 32N67W SW to 28N74W and to the
central Bahamas. The low will move northeastward through Friday
night pushing the stationary front eastward as a cold front to
along a position from near 30N65W to 24N75W on Friday. The front
will dissipate during Saturday and Saturday night. Fresh SE
return flow will set up across the waters N of 23N W of 74W
Sunday through Monday night, and increase to strong southerly
winds late Monday night into Tuesday ahead of a cold front that
will move across the SE United States. The front is expected to
move across the far NW waters Tuesday and Tuesday night.

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

.TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI...NE winds 10 to 20 kt. Seas 6 to 7 ft.
.FRI NIGHT...E winds 15 to 20 kt. 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...SE winds 10 to 20 kt. Seas 5 to 6 ft.
.MON...SE winds 10 to 15 kt. Seas 5 to 6 ft.
.MON NIGHT...SE winds 10 to 20 kt. Seas 5 to 6 ft.
.TUE...SE winds 10 to 20 kt, except 15 to 25 kt N of 29N. Seas
6 to 8 ft.
.TUE NIGHT...SW to W winds winds 10 to 20 kt. Seas 5 to 7 ft,
except 6 to 8 ft N of 29N ahead of front.

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

.TONIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI...W of 70W, NE winds 10 to 20 kt. Elsewhere, W winds 10 to
15 kt, shifting to NW in the afternoon. Seas 5 to 6 ft.
.FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT...E winds 10 to 20 kt. Seas 5 to 6 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SUN...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...SE 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 10 to 15 kt. Seas 4 to 6 ft.

Bahamas N of 22N

.THIS AFTERNOON...E winds less than 10 kt. Seas 3 to 4 ft.
.TONIGHT...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 20 kt. Seas 3 to 5 ft.
.SAT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN...E winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.MON...E winds 10 to 20 kt. Seas 3 to 5 ft.
.MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE...E winds 10 to 20 kt. Seas 3 to 5 ft.
.TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.

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

.TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI...W of 70W, SE winds 10 to 15 kt. Elsewhere, S winds 10 to
15 kt, diminishing to less than 10 kt in the afternoon. Seas
5 to 7 ft.
.FRI NIGHT...W of 70W, E winds 10 to 15 kt. Elsewhere, E winds
less than 10 kt, increasing to 10 to 15 kt after midnight. Seas
5 to 6 ft.
.SAT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SUN...E winds 10 to 20 kt. Seas 5 to 6 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.MON...E winds 10 to 15 kt. Seas 5 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.TUE...E winds 10 to 15 kt. Seas 5 to 6 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.

ATLC waters S of 22N W of 65W

.TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...SE 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...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 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.

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

.TONIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft.
.FRI...E winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SAT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SUN...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.MON...E winds 10 to 15 kt. Seas 5 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.TUE...E winds 10 to 15 kt. Seas 5 to 6 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.


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