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000
FZNT31 KNHC 230154
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
954 PM EDT Mon Apr 22 2024

Marine Weather HF Voice Broadcast for the Tropical N Atlantic
from 07N to 19N W of 55W, the N Atlantic from 19N to
31N W of 55W including the 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 W of 55W

.SYNOPSIS...Broad high pressure north of the area will sustain
moderate to locally fresh trades across the central and eastern
Caribbean, locally strong near the N coast of Colombia and near
the Gulf of Venezuela midweek. Mainly gentle to moderate trades
will prevail elsewhere, pulsing to moderate to fresh from the
Lee of Cuba to the Windward Passage, S of Hispaniola, and
offshore central Honduras at times, fresh to strong Wed night and
again Sat night. A decaying cold front may reach into the
Caribbean N of 19N later tonight, possibly bringing a brief
period of active weather. Slight to moderate seas will prevail
across the basin, building to 7 to 10 ft N of 18N Sat night.

NW Caribbean W of 85W

.OVERNIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE...E winds 10 to 15 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 4 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.THU...E winds 10 to 15 kt. Seas 3 to 4 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI...E winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 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.

Caribbean N of 15N between 72W and 85W

.OVERNIGHT...NE winds less than 10 kt. Seas 3 ft.
.TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...S of 18N, E winds 10 to 15 kt, shifting to NE after
midnight. Elsewhere, NE winds less than 10 kt, increasing to
10 to 15 kt after midnight. Seas 3 to 4 ft.
.WED...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...E winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

Caribbean from 11N to 15N W of 72W

.OVERNIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.WED...E winds 15 to 20 kt within 90 nm of coast of Colombia,
and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft.
.WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.THU...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.SAT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.

SW Caribbean S of 11N

.OVERNIGHT...NE winds less than 10 kt. Seas 3 to 5 ft.
.TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.WED...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.THU...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft.
.FRI NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft.
.SAT...NE winds less than 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 5 ft.

Caribbean between 64W and 72W

.OVERNIGHT...NE winds 15 to 20 kt Gulf of Venezuela, and E 10 to
15 kt elsewhere. Seas 3 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...E winds 10 to 15 kt. Gulf of Venezuela, seas 3 ft in the
morning, subsiding to 2 ft or less. Elsewhere, seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...E winds 10 to 15 kt. Seas 4 to 5 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.FRI...E winds 10 to 15 kt. Seas 4 to 5 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.SAT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 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.
.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 4 to 6 ft.
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI...E winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft.
.SAT NIGHT...NE winds less than 10 kt. Seas 4 to 5 ft.

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

.OVERNIGHT...E winds 10 to 20 kt. Seas 4 to 6 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 4 to 6 ft.
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...E winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft.
.SAT NIGHT...E winds less than 10 kt. Seas 4 to 5 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A cold front extends from 31N72W to the Florida Keys
near 25N80W. A line of showers and thunderstorms is observed
within 75 nm ahead of the frontal boundary. Gale-force northerly
winds N of 29N and W of the front to 77W will diminish late
tonight. Large northerly swell W of the front will gradually decay
Tue and Tue night. The front will reach from 31N64W to the SE
Bahamas Tue evening while weakening, then will become a
dissipating stationary front from 31N59W to 21N76W Wed evening,
then becoming a remnant trough there by Thu evening. The trough
will linger through the end of the week, getting reinforced by a
cold front which may dive S of 31N Fri night, reaching from
31N54W to near N Haiti by Sat evening. Increasing winds and a
large area of building seas will also rapidly push S-SW of 31N
across the waters W of the boundary. Winds may be near gale-force
N of 27N and E of 65W as a parent low forms near 31N this
weekend.

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

.OVERNIGHT...N winds 15 to 25 kt. Seas 8 to 11 ft.
.TUE...NE winds 10 to 15 kt. Seas 8 to 11 ft.
.TUE NIGHT...E winds less than 10 kt. Seas 6 to 8 ft.
.WED...Variable winds less than 10 kt, becoming SE less than
10 kt in the afternoon. Seas 4 to 6 ft.
.WED NIGHT...SE winds less than 10 kt. Seas 4 to 5 ft.
.THU...S winds less than 10 kt. Seas 4 to 5 ft.
.THU NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.
.FRI...E winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.

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

...GALE WARNING...

.OVERNIGHT...NW winds 15 to 25 kt W of front, except NW to N 30
to 40 kt N of 29N until late, and S 10 to 20 kt E of front. Seas
8 to 14 ft W of front, and 5 to 7 ft E of front.
.TUE...NW winds 10 to 20 kt. Seas 8 to 11 ft W of 70W, and 6 to
9 ft elsewhere.
.TUE NIGHT...W of 70W, N winds 10 to 15 kt, shifting to NE after
midnight. Elsewhere, NW winds 10 to 15 kt. Seas 7 to 10 ft.
.WED...W of 70W, NE winds less than 10 kt in the morning,
becoming variable winds less than 10 kt. Elsewhere, N winds
10 kt. Seas 6 to 9 ft.
.WED NIGHT...NE winds less than 10 kt. Seas 6 to 8 ft.
.THU...NE winds less than 10 kt. Seas 5 to 7 ft.
.THU NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft.
.FRI...NE winds less than 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.SAT NIGHT...NE winds 15 to 20 kt. Seas 8 to 12 ft.

Bahamas N of 22N

.OVERNIGHT...N winds 10 to 15 kt. Seas 3 ft.
.TUE...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.WED...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...NE winds 10 to 20 kt. Seas 3 to 5 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.

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

.OVERNIGHT...SE winds less than 10 kt. Seas 4 to 5 ft.
.TUE...W of 70W, W winds 10 to 15 kt, shifting to N in the
afternoon. Elsewhere, SW winds less than 10 kt. Seas 6 to 8 ft W
of 70W, and 4 to 5 ft elsewhere.
.TUE NIGHT...W of 70W, NE winds 10 to 15 kt. Elsewhere, N winds
less than 10 kt, shifting to NE after midnight. Seas 5 to 7 ft.
.WED...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.WED NIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft.
.THU...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT NIGHT...NE winds 10 to 20 kt. Seas 7 to 9 ft.

ATLC waters S of 22N W of 65W

.OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE...E winds less than 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.WED...E winds 10 to 15 kt. Seas 4 to 6 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU...E winds 10 to 15 kt. Seas 5 to 7 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...E winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft.

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

.OVERNIGHT...E winds 10 to 20 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 6 ft.
.WED...E winds 10 to 15 kt. Seas 5 to 6 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.THU...E winds 10 to 15 kt. Seas 5 to 6 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft.
.FRI...E winds 10 to 15 kt. Seas 6 to 7 ft.
.FRI NIGHT...E winds 10 kt. Seas 5 to 6 ft.
.SAT...NE winds less than 10 kt. Seas 5 to 6 ft.
.SAT NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 4 to 6 ft.