Offshore Forecast
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000
FZNT31 KNHC 221519
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1119 AM EDT Fri Mar 22 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...Fresh to strong SE to S winds are occurring across
the northwest Caribbean and Yucatan Channel as low pressure
crosses the Gulf of Mexico and tracks E. The low will move NE
and into the SE U.S. tonight through Sat, with an attendant cold
front reaching the Yucatan Channel and the far northwestern
Caribbean Sat afternoon. The front will then reach from eastern
Cuba to the Honduras-Nicaragua border Sun evening, before
stalling and dissipating on Mon. Fresh to strong SE winds will
develop over the western Caribbean late Mon through Tue, ahead
of the next frontal system entering the Gulf of Mexico.

NW Caribbean W of 85W

.THIS AFTERNOON...SE winds 15 to 25 kt. Seas 5 to 7 ft.
.TONIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT...W winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN...N winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 5 to 7 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.MON...E 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 9 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

Caribbean N of 15N between 72W and 85W

.THIS AFTERNOON...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.SAT...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN...W winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...N winds less than 10 kt. Seas 3 to 5 ft.
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 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

.THIS AFTERNOON...E winds 20 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 20 to 25 kt within 90 nm of coast of
Colombia, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft.
.SAT...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.
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN...S 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...NE winds less than 10 kt. Seas 3 to 4 ft.
.TUE...E winds less than 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...E winds less than 10 kt. Seas 3 ft.

SW Caribbean S of 11N

.THIS AFTERNOON...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT...NE winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 4 to 6 ft.
.SAT NIGHT...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...Variable winds less than 10 kt. Seas 3 to 4 ft.
.MON NIGHT...Variable winds less than 10 kt. Seas 3 ft.
.TUE...Variable winds less than 10 kt. Seas 3 ft.
.TUE NIGHT...E winds less than 10 kt. Seas 3 ft.

Caribbean between 64W and 72W

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft.
.TONIGHT...E winds 20 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...SE winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.MON...SE winds less than 10 kt. 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.

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN...E winds 10 to 20 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 4 to 6 ft.

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT...E winds 10 to 15 kt. Seas 5 to 7 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 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.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Atlantic high pressure is centered along the middle
Atlantic coast of the U.S. and will shift E-NE and strengthen
through the weekend. Fresh to strong SE to S winds E of Florida
will increase to strong to near-gale force this afternoon, as
low pressure tracks eastward across the Gulf of Mexico, and then
inland across the southeastern U.S. tonight. Strong southerly
winds will expand in coverage between Florida and 67W, ahead of a
cold front, increasing to gale-force tonight from the Bahamas
northward. Strong to severe thunderstorms with frequent gusts to
gale force and frequent lightning are expected tonight through
Sat offshore southern and central Florida, the Straits of
Florida, and the Bahamas. The gale force S winds will move slowly
E across the forecast waters, mainly N of 26N, through Sun. The
front will exit NE Florida Sat afternoon, reach from near 31N72W
to central Cuba on Sun morning, from 31N64W to the Windward
Passage by Mon morning, then weaken considerably as it moves SE
across the NE Caribbean and adjacent Atlantic waters through Tue.
Strong to near gale-force NE winds and large NE to N swell will
follow the front Sun through Mon to the east of northern and
central Florida.

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

...GALE WARNING...

.THIS AFTERNOON...SE winds 20 to 30 kt. Seas 6 to 9 ft.
.TONIGHT...SE winds 25 to 35 kt. Seas 8 to 13 ft.
.SAT...SW winds 25 to 35 kt, decreasing to 15 to 25 kt in the
afternoon. Seas 8 to 13 ft.
.SAT NIGHT...W winds 10 to 20 kt. Seas 8 to 11 ft.
.SUN...N winds 20 to 30 kt. Seas 9 to 14 ft.
.SUN NIGHT...NE winds 20 to 25 kt. Seas 10 to 15 ft.
.MON...NE winds 10 to 20 kt. Seas 10 to 15 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 9 to 12 ft.
.TUE...E winds 10 to 15 kt. Seas 9 to 12 ft.
.TUE NIGHT...SE winds 10 kt. Seas 9 to 12 ft.

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

...GALE WARNING...
...GALE CONDITIONS POSSIBLE SUN...

.THIS AFTERNOON...SE winds 15 to 25 kt W of 70W, and E 10 to
20 kt elsewhere. Seas 5 to 7 ft.
.TONIGHT...SE winds 25 to 35 kt W of 74W, and E to SE 20 to 30 kt
elsewhere. Seas 7 to 10 ft, building to 8 to 13 ft late.
.SAT...SE winds 20 to 30 kt, except 25 to 35 kt W of 68W. Seas
11 to 16 ft W of 70W, and 8 to 12 ft elsewhere.
.SAT NIGHT...SW winds 20 to 30 kt W of 74W, and SE to S winds 25
to 35 kt elsewhere. Seas 11 to 16 ft W of 70W, and 10 to 15 ft
elsewhere.
.SUN...SW winds 20 to 30 kt, except S winds 25 to 35 kt E of 68W.
Seas 10 to 15 ft.
.SUN NIGHT...NW winds 15 to 25 kt. Seas 10 to 15 ft.
.MON...N winds 15 to 25 kt. Seas 10 to 15 ft.
.MON NIGHT...N winds 15 to 25 kt. Seas 12 to 17 ft.
.TUE...N winds 15 to 25 kt. Seas 13 to 18 ft.
.TUE NIGHT...N winds 10 to 20 kt. Seas 11 to 15 ft.

Bahamas N of 22N

...GALE WARNING...

.THIS AFTERNOON...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.TONIGHT...SE winds 15 to 25 kt, increasing to 25 to 35 kt by
late evening N of 25N. Seas 5 to 8 ft.
.SAT...S winds 15 to 25 kt, except 25 kt 35 kt in the morning N
of 25N and E of 78W. Seas 5 to 8 ft.
.SAT NIGHT...SW winds 15 to 25 kt. Seas 5 to 7 ft.
.SUN...W winds 15 to 25 kt. Seas 5 to 7 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 6 to 8 ft.
.TUE...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE NIGHT...E winds less than 10 kt. Seas 5 to 7 ft.

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

...GALE WARNING...

.THIS AFTERNOON...E winds 20 kt. Seas 6 to 9 ft.
.TONIGHT...E winds 20 to 25 kt, becoming SE 25 to 35 kt late W of
75W. Seas 7 to 10 ft.
.SAT...SE winds 15 to 25 kt, except 25 to 35 kt N of 26N and W of
74W. Seas 9 to 12 ft.
.SAT NIGHT...S winds 15 to 25 kt except 25 to 35 kt N of 26N.
Seas 8 to 11 ft.
.SUN...SW winds 15 to 25 kt. 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 20 kt. Seas 8 to 13 ft.
.TUE...N winds 10 to 20 kt. Seas 9 to 14 ft.
.TUE NIGHT...N winds 10 to 20 kt. Seas 10 to 15 ft.

ATLC waters S of 22N W of 65W

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TONIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft.
.SAT...SE winds 10 to 20 kt. Seas 6 to 9 ft.
.SAT NIGHT...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 6 to 8 ft.
.MON...NW winds 10 to 15 kt. Seas 5 to 7 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.

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 6 to 8 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT...E winds 15 to 20 kt. Seas 7 to 9 ft.
.SAT NIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft.
.SUN...SE winds 15 to 20 kt. Seas 7 to 8 ft.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 7 to 8 ft.
.MON...SE winds 10 to 15 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 7 to 10 ft.


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