Offshore Forecast
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000
FZNT31 KNHC 250321
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1121 PM EDT Sun Mar 24 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...A stationary front extending across eastern Cuba and
into the NE coast of Nicaragua will drift E and dissipate from
Hispaniola to NE Nicaragua on Mon. Northerly winds behind the
front will veer to the SE on Mon and become fresh to strong over
the western Caribbean late Mon through Tue, ahead of the next
frontal system entering the Gulf of Mexico, and while Atlantic
high pressure persists across the U.S. middle Atlantic coast.
Large N swell will reach the Atlantic Passages of the NE and E
Caribbean late Tue and persist through early Thu. Otherwise,
winds and seas will remain well below normal through Thu.

NW Caribbean W of 85W

.OVERNIGHT...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 15 kt. Seas 4 to 6 ft.
.THU...SE winds 10 to 15 kt, shifting to N in the afternoon.
Seas 3 to 5 ft.
.THU NIGHT...N winds 15 to 25 kt. Seas 5 to 7 ft.
.FRI...N winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft.

Caribbean N of 15N between 72W and 85W

.OVERNIGHT...S of 18N, NE winds less than 10 kt. Elsewhere, NE
winds less than 10 kt, increasing to 10 to 15 kt after midnight.
Seas 3 to 5 ft.
.MON...SE winds less than 10 kt S of 18N, and E 10 to 15 kt
elsewhere. Seas 3 to 4 ft.
.MON NIGHT...S of 18N, E winds less than 10 kt, increasing to
10 to 15 kt after midnight. Elsewhere, E winds 10 to 20 kt. Seas
3 to 5 ft.
.TUE...SE 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, shifting to E after midnight.
Seas 3 to 5 ft.
.THU...S winds less than 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less.
.THU NIGHT...NW winds less than 10 kt, increasing to 10 to 20 kt
after midnight. Seas 2 ft or less, building to 3 to 5 ft after
midnight.
.FRI...N winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft.

Caribbean from 11N to 15N W of 72W

.OVERNIGHT...NE winds less than 10 kt. Seas 3 to 4 ft.
.MON...Within 90 nm of coast of Colombia, NE winds 10 kt in the
morning, becoming variable winds less than 10 kt. Elsewhere,
Variable winds less than 10 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds less than 10 kt. Seas 3 ft.
.TUE...SE winds less than 10 kt. Seas 3 ft.
.TUE NIGHT...E winds less than 10 kt. Seas 3 ft.
.WED...E winds less than 10 kt. Seas 3 ft.
.WED NIGHT...E winds less than 10 kt. Seas 2 ft or less.
.THU...E winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 2 ft or less.
.THU NIGHT...NE winds less than 10 kt. Seas 3 ft.
.FRI...NE winds less than 10 kt. Seas 3 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.

SW Caribbean S of 11N

.OVERNIGHT...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...E winds less than 10 kt. Seas 2 ft or less.
.TUE...Variable winds less than 10 kt. Seas 2 ft or less.
.TUE NIGHT...Variable winds less than 10 kt, becoming E less
than 10 kt after midnight. Seas 2 ft or less.
.WED...E winds less than 10 kt. Seas 2 ft or less.
.WED NIGHT...E winds less than 10 kt. Seas 2 ft or less.
.THU...E winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 2 ft or less.
.THU NIGHT...NE winds less than 10 kt. Seas 2 ft or less,
building to 3 ft after midnight.
.FRI...N winds less than 10 kt. Seas 3 ft.
.FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft.

Caribbean between 64W and 72W

.OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.MON...SE winds less than 10 kt. Seas 2 ft or less Gulf of
Venezuela, and 3 to 5 ft elsewhere.
.MON NIGHT...NE winds 10 to 15 kt Gulf of Venezuela, and NE less
than 10 kt elsewhere. Seas 3 to 4 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...NE winds less than 10 kt. Seas 3 to 4 ft.
.WED NIGHT...N winds less than 10 kt. Seas 3 to 5 ft.
.THU...N winds less than 10 kt. Seas 3 to 5 ft.
.THU NIGHT...N winds less than 10 kt. Seas 3 to 5 ft.
.FRI...Variable winds less than 10 kt. Seas 3 to 4 ft.
.FRI 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

.OVERNIGHT...E 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 less than 10 kt. Seas 4 to 6 ft.
.TUE...SE winds 10 to 15 kt, shifting to S in the afternoon.
Seas 4 to 6 ft.
.TUE NIGHT...S winds less than 10 kt. Seas 4 to 6 ft.
.WED...SW winds less than 10 kt. Seas 5 to 7 ft.
.WED NIGHT...W winds less than 10 kt. Seas 5 to 7 ft.
.THU...W winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 5 to 7 ft.
.THU NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI...W winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 5 to 7 ft.
.FRI NIGHT...W winds 10 to 15 kt, shifting to NW after midnight.
Seas 5 to 7 ft.

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

.OVERNIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. 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 3 to 5 ft.
.WED...SE winds less than 10 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.
.THU...S winds less than 10 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds less than 10 kt. Seas 5 to 7 ft.
.FRI...E winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 5 to 7 ft.
.FRI NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A cold front extends from 31N65W to 24N69W then
southwestward across eastern Cuba. The front will move eastward
and reach from 31N63W to NW Hispaniola by Mon afternoon, then
weaken considerably as it moves E-SE across the regional
Atlantic and adjacent NE Caribbean waters through Tue night.
Associated low pressure NW of Bermuda will deepen overnight and
Mon, then begin to move slowly S-SE and weaken, crossing into the
area Atlantic waters Tue and gradually becoming stationary near
26N61W on Thu. Strong to near gale-force NE winds and large NE to
N swell will spread in behind the front tonight before a narrow
high pressure ridge builds southward into the Bahamas Mon night
through Wed. Large NE swell will build southward, W of 70W,
tonight through Mon and persist through Wed before gradually
subsiding. Large NW to N swell will build southward across the
waters E of 70W overnight through Tue, then slowly subside Tue
night through Thu. Fresh to strong SE winds and large seas will
persist across the far NE waters through Thu.

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

.OVERNIGHT...NE winds 20 to 25 kt. Seas 11 to 14 ft.
.MON...E winds 15 to 20 kt. Seas 10 to 14 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 9 to 12 ft.
.TUE...E winds 10 to 15 kt, shifting to SE in the afternoon.
Seas 8 to 12 ft.
.TUE NIGHT...SE winds less than 10 kt. Seas 9 to 12 ft.
.WED...SE winds less than 10 kt. Seas 7 to 10 ft.
.WED NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft.
.THU...SW winds 10 to 20 kt. Seas 6 to 8 ft.
.THU NIGHT...NW winds 15 to 25 kt. Seas 8 to 11 ft.
.FRI...N winds 15 to 25 kt. Seas 9 to 14 ft.
.FRI NIGHT...N winds 10 to 20 kt. Seas 8 to 13 ft.

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

.OVERNIGHT...N winds 15 to 25 kt W of 70W, and W 10 to 20 kt
elsewhere. Seas 10 to 15 ft W of 70W, and 9 to 14 ft elsewhere.
.MON...N winds 15 to 25 kt W of 70W, and NW 10 to 20 kt
elsewhere. Seas 11 to 16 ft.
.MON NIGHT...N winds 10 to 20 kt W of 70W, and NW 15 to 25 kt
elsewhere. Seas 12 to 17 ft.
.TUE...N winds 10 to 20 kt W of 70W, and NW 15 to 25 kt
elsewhere. Seas 12 to 17 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.
.THU...NE winds less than 10 kt, shifting to SW in the
afternoon. Seas 6 to 9 ft.
.THU NIGHT...W winds 10 to 15 kt, increasing to 15 to 25 kt
after midnight. Seas 7 to 10 ft.
.FRI...NW winds 15 to 25 kt. Seas 9 to 14 ft.
.FRI NIGHT...NW winds 15 to 25 kt. Seas 11 to 16 ft.

Bahamas N of 22N

.OVERNIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.MON...NE winds 10 to 20 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, diminishing to less than 10 kt in
the afternoon. Seas 5 to 7 ft.
.TUE NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 5 to 7 ft.
.WED...E winds less than 10 kt. Seas 5 to 7 ft.
.WED NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.
.THU...SE winds less than 10 kt, shifting to SW in the
afternoon. Seas 4 to 6 ft.
.THU NIGHT...NW winds 10 to 20 kt. Seas 3 to 5 ft.
.FRI...N winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.

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

.OVERNIGHT...NW winds 10 to 15 kt. Seas 7 to 10 ft.
.MON...N winds 10 to 15 kt. Seas 8 to 11 ft.
.MON NIGHT...N winds 10 to 15 kt. Seas 8 to 11 ft.
.TUE...N winds 10 to 15 kt. Seas 9 to 13 ft.
.TUE NIGHT...NW winds 10 to 20 kt. Seas 10 to 13 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.
.THU...N winds 10 to 15 kt. Seas 7 to 10 ft.
.THU NIGHT...NW winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 6 to 8 ft.
.FRI...NW winds 10 to 20 kt. Seas 7 to 10 ft.
.FRI NIGHT...N winds 10 to 20 kt. Seas 8 to 11 ft.

ATLC waters S of 22N W of 65W

.OVERNIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft.
.MON...N 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 less than 10 kt. Seas 6 to 8 ft.
.TUE NIGHT...N winds less than 10 kt. Seas 6 to 8 ft.
.WED...N winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 6 to 9 ft.
.WED NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft.
.THU...NW winds 10 to 15 kt. Seas 6 to 8 ft.
.THU NIGHT...NW winds 10 to 15 kt, diminishing to less than
10 kt after midnight. Seas 5 to 7 ft.
.FRI...NW winds less than 10 kt. Seas 4 to 6 ft.
.FRI NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft.

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

.OVERNIGHT...SE winds 10 to 15 kt. Seas 7 ft.
.MON...SE winds 10 to 15 kt. Seas 6 to 7 ft.
.MON NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE...SW winds 10 to 15 kt. Seas 6 to 8 ft.
.TUE NIGHT...W winds less than 10 kt. Seas 6 to 9 ft.
.WED...W winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 7 to 9 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 8 to 10 ft.
.THU...W winds 10 to 15 kt. Seas 7 to 9 ft.
.THU NIGHT...W winds 10 to 15 kt. Seas 7 to 8 ft.
.FRI...W winds 10 to 15 kt. Seas 6 to 8 ft.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 6 to 8 ft.


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