Offshore Forecast
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000
FZNT31 KNHC 230921
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
521 AM EDT Sat Mar 23 2024

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 Atlantic from
07N to 19N between 55W and 64W

.SYNOPSIS...Atlantic high pressure centered just NE of Bermuda
will shift E-NE through Mon. Fresh to locally strong SE to S
winds occurring across the northwest Caribbean and Yucatan
Channel will gradually diminish today as a Gulf of Mexico cold
front reaches the Yucatan Channel this afternoon. The front will
reach from eastern Cuba to near the Honduras-Nicaragua border
Sun morning, then stall and dissipate from Hispaniola to NE
Nicaragua on Mon. Fresh to strong SE winds will develop again
over the western Caribbean late Mon through Tue, ahead of the
next frontal system entering the Gulf of Mexico. Large N swell
will reach the Atlantic Passages of the NE and E Caribbean late
Tue and persist through Wed night.

NW Caribbean W of 85W

.TODAY...W winds 10 to 15 kt. Seas 5 to 7 ft.
.TONIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN...N winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 4 to 6 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.MON...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft.
.TUE...SE winds 15 to 25 kt. Seas 6 to 8 ft.
.TUE NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.WED...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.WED NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft.

Caribbean N of 15N between 72W and 85W

.TODAY...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.TONIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN...S of 18N, S winds 10 to 15 kt, shifting to SW in the
afternoon. Elsewhere, NW winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...S of 18N, N winds less than 10 kt. Elsewhere, N
winds less than 10 kt, shifting to NE after midnight. Seas 3 to
5 ft.
.MON...E winds 10 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...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 5 ft.

Caribbean from 11N to 15N W of 72W

.TODAY...E winds 15 to 25 kt within 90 nm of coast of Colombia,
and E 10 to 20 kt elsewhere. Seas 5 to 7 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN...Within 90 nm of coast of Colombia, E winds 10 to 15 kt,
diminishing to less than 10 kt in the afternoon. Elsewhere, SE
winds less than 10 kt. Seas 4 to 6 ft.
.SUN NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft.
.MON...Variable winds less than 10 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.TUE...E winds less than 10 kt. Seas 3 ft.
.TUE NIGHT...E winds less than 10 kt. Seas 3 ft.
.WED...E winds 10 kt. Seas 3 ft.
.WED NIGHT...NE winds 10 kt. Seas 3 ft.

SW Caribbean S of 11N

.TODAY...NE winds less than 10 kt. Seas 5 to 7 ft.
.TONIGHT...N winds less than 10 kt. Seas 4 to 6 ft.
.SUN...NW winds less than 10 kt. Seas 3 to 5 ft.
.SUN NIGHT...N winds less than 10 kt. Seas 3 to 4 ft.
.MON...NE winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 3 ft.
.MON NIGHT...NE winds less than 10 kt. Seas 3 ft.
.TUE...E winds less than 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less.
.TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less,
building to 3 ft after midnight.
.WED...E winds less than 10 kt. Seas 3 ft.
.WED NIGHT...E winds less than 10 kt. Seas 3 ft in the evening,
subsiding to 2 ft or less.

Caribbean between 64W and 72W

.TODAY...E winds 10 to 20 kt. Seas 5 to 6 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft.
.SUN...Gulf of Venezuela, E winds 10 to 15 kt, shifting to NE in
the afternoon. Elsewhere, SE winds 10 to 15 kt. Seas 3 to 4 ft
Gulf of Venezuela, and 5 to 6 ft elsewhere.
.SUN NIGHT...E winds 10 to 15 kt. Gulf of Venezuela, seas 3 ft
in the evening, subsiding to 2 ft or less. Elsewhere, seas 4 to
6 ft.
.MON...SE 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.
.TUE...NE winds less than 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft.
.WED...N winds less than 10 kt. Seas 3 to 5 ft.
.WED NIGHT...N winds less than 10 kt. Seas 3 to 5 ft.

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

.TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN...E winds 10 to 15 kt. Seas 6 to 8 ft.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft.
.MON...SE winds 10 to 15 kt. Seas 5 to 7 ft.
.MON NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE...S winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...SW winds less than 10 kt. Seas 5 to 7 ft.
.WED...SW winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 5 to 7 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft.

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

.TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TONIGHT...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 7 ft.
.MON...E winds 10 to 15 kt. Seas 5 to 7 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE...E winds 10 to 15 kt, shifting to SE in the afternoon.
Seas 4 to 6 ft.
.TUE NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.
.WED...SE winds less than 10 kt. Seas 4 to 6 ft.
.WED NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Atlantic high pressure centered NE of Bermuda will
shift E-NE and strengthen through Mon. Strong to gale-force SE
to S winds occurring N of the Bahamas and W of 72W will shift
slowly eastward through Sun, ahead of a cold front. Strong
thunderstorms with frequent gusts to gale-force and frequent
lightning are expected across the Straits of Florida, and the
Bahamas today and will shift eastward through Sat night. The
cold front will exit NE Florida this afternoon, reach from near
31N70W to central Cuba on Sun morning, reach from 31N65W to the
Windward Passage by Mon morning, then weaken considerably as it
moves SE across the Atlantic and adjacent NE Caribbean waters
through Tue night. Strong to near gale-force NE winds and large
NE to N swell will follow the front early Sun through Mon. Low
pressure will develop NW of Bermuda Tue and drift SE and weaken
across the area waters through Wed. Large N to NW swell will
spread across the waters E of 70W early Tue through Wed.

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

.TODAY...SW winds 20 to 30 kt. Seas 8 to 13 ft.
.TONIGHT...NW winds 10 to 20 kt. Seas 8 to 11 ft.
.SUN...N winds 20 to 30 kt. Seas 8 to 13 ft.
.SUN NIGHT...NE winds 20 to 25 kt. Seas 9 to 14 ft.
.MON...NE winds 15 to 20 kt. Seas 10 to 13 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 10 to 12 ft.
.TUE...E winds 10 to 15 kt. Seas 10 to 13 ft.
.TUE NIGHT...E winds 10 kt. Seas 9 to 13 ft.
.WED...SE winds 10 kt. Seas 7 to 10 ft.
.WED NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft.

ATLC waters from 27N to 31N between 65W and 77W

...GALE WARNING...

.TODAY...SE winds 25 to 35 kt. Seas 10 to 14 ft W of 70W, and
8 to 11 ft elsewhere.
.TONIGHT...S winds 20 to 30 kt. Seas 10 to 14 ft.
.SUN...NW winds 15 to 25 kt W of 70W, and S 20 to 30 kt
elsewhere. Seas 9 to 14 ft W of 70W, and 11 to 15 ft elsewhere.
.SUN NIGHT...N winds 15 to 25 kt W of 70W, and W 15 to 25 kt
elsewhere. Seas 11 to 16 ft.
.MON...NW winds 15 to 25 kt. Seas 12 to 17 ft.
.MON NIGHT...NW winds 15 to 25 kt. Seas 14 to 19 ft.
.TUE...NW winds 15 to 25 kt. Seas 14 to 19 ft.
.TUE NIGHT...N winds 10 to 20 kt. Seas 10 to 15 ft.
.WED...N winds 10 to 20 kt. Seas 8 to 12 ft.
.WED NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft.

Bahamas N of 22N

.TODAY...S winds 15 to 25 kt. Seas 5 to 7 ft.
.TONIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN...NW winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft.
.MON...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE...E winds 10 to 15 kt. Seas 6 to 8 ft.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.WED...E winds less than 10 kt. Seas 5 to 7 ft.
.WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.

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

.TODAY...SE winds 15 to 25 kt. Seas 8 to 11 ft.
.TONIGHT...S winds 15 to 25 kt. Seas 8 to 11 ft.
.SUN...W winds 10 to 20 kt W of 70W, and S 15 to 25 kt
elsewhere. Seas 8 to 12 ft.
.SUN NIGHT...W winds 10 to 20 kt. Seas 8 to 11 ft.
.MON...NW winds 10 to 20 kt. Seas 8 to 11 ft.
.MON NIGHT...N winds 10 to 15 kt. Seas 8 to 13 ft.
.TUE...NW winds 10 to 20 kt. Seas 10 to 15 ft.
.TUE NIGHT...NW winds 10 to 20 kt. Seas 10 to 15 ft.
.WED...N winds 10 to 20 kt. Seas 9 to 12 ft.
.WED NIGHT...N winds 10 to 20 kt. Seas 8 to 11 ft.

ATLC waters S of 22N W of 65W

.TODAY...SE winds 10 to 20 kt. Seas 6 to 9 ft.
.TONIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN...S winds 10 to 20 kt. Seas 6 to 8 ft.
.SUN NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft.
.MON...NW winds less than 10 kt. Seas 4 to 6 ft.
.MON NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE...N winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 6 to 9 ft.
.TUE NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft.
.WED...NW winds 10 to 20 kt. Seas 6 to 9 ft.
.WED NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft.

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

.TODAY...E winds 15 to 20 kt. Seas 7 to 9 ft.
.TONIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft.
.SUN...SE winds 15 kt. Seas 7 to 8 ft.
.SUN NIGHT...SE winds 15 kt. Seas 7 ft.
.MON...SE winds 10 to 20 kt. Seas 6 to 7 ft.
.MON NIGHT...S winds 10 to 15 kt. Seas 6 to 7 ft.
.TUE...SW winds 10 to 15 kt. Seas 6 to 8 ft.
.TUE NIGHT...W winds 10 to 15 kt. Seas 6 to 9 ft.
.WED...W winds 10 to 20 kt. Seas 7 to 10 ft.
.WED NIGHT...W winds 10 to 20 kt. Seas 8 to 10 ft.


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