741
FZNT31 KNHC 081530
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1030 AM EST Mon Dec 8 2025

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...Moderate to occasionally fresh trade winds and
moderate seas are expected over the central and eastern Caribbean
through Tue as weak ridging prevails over the central Atlantic.
Winds may pulse to strong speeds in the Gulf of Venezuela and
offshore of northern Colombia by Tue night, and locally rough
seas may develop near and to the west of these winds. An
increasing pressure gradient between a weakening cold front
approaching the northwestern Caribbean and low pressure in the
south-central basin will support fresh to strong trade winds and
rough seas in the central Caribbean for mid to late week.
Elsewhere, a persistent E swell will continue to lead to rough
seas over the Atlantic waters and passages of the Lesser Antilles
into early Wed before seas slightly subside. A new mixed N and E
swell will renew rough seas over this region late Wed through
the rest of the week.

NW Caribbean W of 85W

.TODAY...SE winds less than 10 kt. Seas 3 to 4 ft.
.TONIGHT...E winds less than 10 kt. Seas 3 ft.
.TUE...Variable winds less than 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft.
.WED...Variable winds less than 10 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.THU...E winds less than 10 kt. Seas 3 ft.
.THU NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 3 to 4 ft.
.FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft.
.FRI NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 3 to 4 ft.

Caribbean N of 15N between 72W and 85W

.TODAY...E winds 10 to 15 kt S of 18N, and SE less than 10 kt
elsewhere. Seas 3 to 5 ft.
.TONIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt
elsewhere. S of 18N, seas 3 to 5 ft. Elsewhere, seas 3 ft in the
evening, subsiding to 2 ft or less.
.TUE...E winds 10 to 15 kt S of 18N, and E less than 10 kt
elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere.
.TUE NIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt
elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere.
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU...E winds 10 to 20 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...E winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

Caribbean from 11N to 15N W of 72W

.TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft.
.TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE...E winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds 15 to 25 kt within 90 nm of coast of
Colombia, and NE 10 to 20 kt elsewhere. Seas 4 to 6 ft.
.WED...E winds 10 to 20 kt. Seas 5 to 7 ft.
.WED NIGHT...E winds 20 to 30 kt. Seas 6 to 9 ft.
.THU...E winds 15 to 25 kt. Seas 6 to 9 ft.
.THU NIGHT...E winds 20 to 30 kt. Seas 6 to 9 ft.
.FRI...E winds 15 to 25 kt. Seas 6 to 9 ft.
.FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft.

SW Caribbean S of 11N

.TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE...N winds less than 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...N winds less than 10 kt. Seas 3 to 5 ft.
.WED...N winds less than 10 kt. Seas 4 to 6 ft.
.WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.THU...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft.
.FRI...NE winds 10 to 15 kt, shifting to N in the afternoon.
Seas 6 to 9 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft.

Caribbean between 64W and 72W

.TODAY...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and
5 to 7 ft elsewhere.
.TONIGHT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to
15 kt elsewhere. Seas 4 to 6 ft.
.TUE...E winds 15 to 25 kt. Seas 3 ft Gulf of Venezuela, and 5
to 7 ft elsewhere.
.TUE NIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft
elsewhere.
.WED...E winds 15 to 25 kt. Seas 5 to 7 ft.
.WED NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft.
.THU...E winds 15 to 25 kt. Seas 5 to 7 ft.
.THU NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft.
.FRI...E winds 15 to 25 kt. Seas 5 to 7 ft.
.FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 7 ft.

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

.TODAY...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft.
.TUE...E winds 10 to 15 kt. Seas 6 to 8 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.WED...E winds 10 to 20 kt. Seas 5 to 7 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.THU...E winds 10 to 20 kt. Seas 7 to 10 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft.
.FRI...E winds 10 to 20 kt. Seas 7 to 10 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft.

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

.TODAY...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.WED...E winds 10 to 20 kt. Seas 5 to 7 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.THU...E winds 10 to 20 kt. Seas 6 to 9 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI...E winds 10 to 20 kt. Seas 7 to 10 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A cold front extending from 30.5N72.5W to central
Florida will progress eastward early this week, and fresh to
strong SW winds are expected ahead of the front north of 27N
through Tue. Rough seas in W swell will develop in this region
east of 70W today, and expand eastward into the central Atlantic
by tonight. Very rough seas over 12 ft will be possible north of
30N and east of 62W by Tue morning. A second, stronger cold front
pushing off the coast of the southeastern United States will
rapidly progress eastward through midweek, and widespread fresh
to strong N to NW winds are expected in the wake of the front,
generally north of 27N and west of 70W by late tonight, with
these winds also expanding eastward toward the central Atlantic
through Tue. A new N swell will support rough seas over the
northwest tropical Atlantic by late tonight, before merging with
the aforementioned rough seas in the central basin on Tue. Winds
will diminish from west to east Tue into early Wed, with rough
seas slowly subsiding through late week. Looking ahead, fresh to
locally strong SW winds may develop off the coast of Florida mid
to late week as a low pressure system moves off the east coast of
the U.S.

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

.TODAY...NW winds 15 to 25 kt. Seas 4 to 6 ft.
.TONIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft.
.TUE...NE winds 15 to 25 kt. Seas 6 to 9 ft.
.TUE NIGHT...NE winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 6 to 8 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 15 to 25 kt. Seas 5 to 7 ft.
.THU...NW winds 10 to 15 kt. Seas 5 to 7 ft.
.THU NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...W winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...W winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft.

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

.TODAY...W winds 10 to 20 kt W of 70W, and SW 15 to 25 kt
elsewhere. Seas 6 to 9 ft.
.TONIGHT...NW winds 15 to 25 kt W of 70W, and SW 10 to 20 kt
elsewhere. Seas 6 to 9 ft.
.TUE...N winds 15 to 25 kt. Seas 7 to 10 ft.
.TUE NIGHT...W of 70W, E winds less than 10 kt. Elsewhere, N
winds 10 to 15 kt, shifting to NE after midnight. Seas 8 to
11 ft.
.WED...S winds less than 10 kt. Seas 7 to 10 ft.
.WED NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft.
.THU...W winds 10 to 15 kt. 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. Seas 5 to 7 ft.
.FRI NIGHT...Variable winds less than 10 kt, becoming SW less
than 10 kt after midnight. Seas 4 to 6 ft.

Bahamas N of 22N

.TODAY...SW winds 10 to 15 kt. Seas 3 ft.
.TONIGHT...W winds less than 10 kt, shifting to NW after
midnight. Seas 3 ft.
.TUE...N winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...NE winds 10 to 15 kt, shifting to E after midnight.
Seas 3 to 4 ft.
.WED...SE winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 3 to 5 ft.
.WED NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft.
.THU...Variable winds less than 10 kt, becoming N less than
10 kt in the afternoon. Seas 3 to 5 ft.
.THU NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft.
.FRI...NE winds less than 10 kt. Seas 3 ft.
.FRI NIGHT...NE winds 10 to 15 kt, diminishing to less than
10 kt after midnight. Seas 3 ft.

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

.TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft.
.TONIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE...W winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE NIGHT...W of 70W, NE winds 10 to 15 kt, shifting to E after
midnight. Elsewhere, SE winds less than 10 kt. Seas 5 to 7 ft.
.WED...SE winds less than 10 kt. Seas 6 to 9 ft.
.WED NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft.
.THU...S winds 10 to 15 kt, shifting to SW in the afternoon.
Seas 6 to 8 ft.
.THU NIGHT...E winds less than 10 kt. Seas 5 to 7 ft.
.FRI...E winds less than 10 kt. Seas 5 to 7 ft.
.FRI NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.

ATLC waters S of 22N W of 65W

.TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...S winds less than 10 kt. Seas 3 to 5 ft.
.TUE...SE winds less than 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.
.WED...SE winds less than 10 kt, shifting to E in the afternoon.
Seas 3 to 5 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 5 to 7 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.

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

.TODAY...E winds 10 to 15 kt. Seas 6 to 8 ft.
.TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE...SE 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 20 kt. Seas 6 to 8 ft.
.WED NIGHT...E winds 15 to 20 kt. Seas 6 to 9 ft.
.THU...E winds 15 to 20 kt. Seas 8 to 10 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 8 to 10 ft.
.FRI...E winds 10 to 20 kt. Seas 8 to 10 ft.
.FRI NIGHT...E winds 15 to 20 kt. Seas 8 to 10 ft.