Offshore Forecast
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000
FZNT31 KNHC 202114
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
514 PM EDT Fri Oct 20 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 83W will move across the rest
of the western Caribbean tonight and inland Central America on
Saturday. A second tropical wave along 75W/76W will move across
the western Caribbean Sea Saturday through Sunday night and
inland Central America on Monday. Scattered to numerous showers
and thunderstorms with gusty winds will accompany these waves.
Fresh to locally strong trades will spread westward to the
central Caribbean on Friday, and to the western Caribbean
Saturday through most of Sunday. A pre-frontal trough will enter
the NW late Monday night into Tuesday, and reach from central
Cuba to near 17N84W early on Wednesday. The trough will be
followed by a cold front that expected to move into the NW
Caribbean on Wednesday. Low pressure may form in the far SW
Caribbean on Monday and persist into Wednesday.

NW Caribbean W of 85W

.TONIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.SAT...E winds less than 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...E winds 10 to 15 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 4 to 6 ft.
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.
.TUE...NE winds less than 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...N winds less than 10 kt. Seas 3 to 5 ft.
.WED...N winds 10 to 15 kt. Seas 4 to 6 ft.
.WED NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft.

Caribbean N of 15N between 72W and 85W

.TONIGHT...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 S of 18N, and E 10 to 15 kt
elsewhere. Seas 7 to 10 ft S of 18N, and 4 to 6 ft elsewhere.
.SAT NIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 15 kt
elsewhere. Seas 7 to 10 ft S of 18N, and 4 to 6 ft elsewhere.
.SUN...E winds 15 to 25 kt S of 18N, and E 10 to 15 kt
elsewhere. Seas 7 to 10 ft S of 18N, and 5 to 7 ft elsewhere.
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.MON...E winds 10 to 20 kt. Seas 6 to 9 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft.

Caribbean from 11N to 15N W of 72W

.TONIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft.
.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 10 to 20 kt. Seas 7 to 10 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE...E winds 10 to 15 kt. Seas 6 to 8 ft.
.TUE NIGHT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft.
.WED...SE to S winds less than 10 kt. Seas 3 to 5 ft.
.WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.

SW Caribbean S of 11N

.TONIGHT...NW winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 3 to 5 ft.
.SAT...Variable winds less than 10 kt, becoming W less than
10 kt in the afternoon. Seas 5 to 7 ft.
.SAT NIGHT...Variable winds less than 10 kt. Seas 5 to 7 ft.
.SUN...Variable winds less than 10 kt. Seas 5 to 7 ft.
.SUN NIGHT...Variable winds less than 10 kt. Seas 5 to 7 ft.
.MON...Variable winds less than 10 kt. Seas 4 to 6 ft.
.MON NIGHT...Variable winds less than 10 kt. Seas 4 to 6 ft.
.TUE...SW winds less than 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...S winds less than 10 kt, shifting to SW after
midnight. Seas 3 to 5 ft.
.WED...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.

Caribbean between 64W and 72W

.TONIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft Gulf of
Venezuela, and 8 to 11 ft elsewhere.
.SAT...E winds 15 to 25 kt. Seas 5 to 7 ft Gulf of Venezuela,
and 7 to 10 ft elsewhere.
.SAT NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft Gulf of
Venezuela, and 7 to 10 ft elsewhere.
.SUN...E winds 15 to 25 kt. Seas 5 to 7 ft Gulf of Venezuela,
and 7 to 10 ft elsewhere.
.SUN NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft.
.MON...E winds 10 to 20 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 15 kt. Seas 4 to 6 ft.
.WED...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds less than 10 kt, shifting to SE after
midnight. Seas 3 to 5 ft.

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

.TONIGHT...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 15 kt. Seas 5 to 7 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.MON...E winds 10 to 15 kt. Seas 5 to 7 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.WED...SE winds 10 to 15 kt. Seas 5 to 7 ft.
.WED NIGHT...E winds 10 to 15 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.
.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 15 kt. Seas 5 to 7 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.MON...E winds 10 to 15 kt. Seas 5 to 7 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.WED...E winds 10 to 15 kt. Seas 5 to 7 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A Cold front extends from 31N63W to 26N68W to 26N71W
then becomes a dissipating stationary front to 22N78W. The cold
front will sweep E across the far northern portion into
Saturday. 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 night, and
reach from near 31N74W to the central Bahamas and to central Cuba
by Wednesday evening. The front is expected to be preceded by a
line of thunderstorms capable of producing strong gusty winds and
rough seas.

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

.TONIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft.
.SAT...E winds 15 to 20 kt. Seas 5 to 7 ft.
.SAT NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft.
.SUN...E winds 15 to 20 kt. Seas 6 to 7 ft.
.SUN NIGHT...SE winds 15 to 20 kt. Seas 5 to 7 ft.
.MON...SE winds 15 to 20 kt. Seas 5 to 6 ft.
.MON NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE...S winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE NIGHT...SW winds 10 to 20 kt. Seas 5 to 7 ft.
.WED...W winds 15 to 20 kt. Seas 5 to 7 ft.
.WED NIGHT...NW winds 15 to 20 kt. Seas 5 to 7 ft.

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

.TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 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 20 kt. Seas 5 to 7 ft.
.TUE...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft.
.WED...S winds 10 to 20 kt. Seas 6 to 8 ft.
.WED NIGHT...SW winds 10 to 20 kt. Seas 6 to 9 ft.

Bahamas N of 22N

.TONIGHT...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 4 to 6 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...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...SE winds 10 to 15 kt. Seas 3 ft.
.WED...S winds less than 10 kt, shifting to SW in the afternoon.
Seas 2 to 3 ft.
.WED NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft.

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

.TONIGHT...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 7 ft.
.SUN...E winds 10 to 15 kt. Seas 5 to 7 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 4 to 6 ft.
.TUE...E winds 10 to 15 kt. Seas 4 to 5 ft.
.TUE NIGHT...SE winds 10 kt. Seas 4 to 6 ft.
.WED...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.WED NIGHT...S winds 10 to 15 kt. Seas 5 to 6 ft.

ATLC waters S of 22N W of 65W

.TONIGHT...E winds 10 to 20 kt. 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 4 to 6 ft.
.MON NIGHT...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...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.

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

.TONIGHT...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...SE winds 10 to 15 kt. Seas 5 to 6 ft.
.WED...SE winds 10 to 15 kt. Seas 5 to 6 ft.
.WED NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft.



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