507
FZNT31 KNHC 112015
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
315 PM EST Tue Nov 11 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...A strong cold front extends from eastern Cuba to NE
Honduras. Fresh to strong N to NE winds and rough seas follow
the front. The front will stall from the Windward Passage to
near Cabo Gracias a Dios, Nicaragua by this evening, then remain
nearly stationary over the NW Caribbean through Fri while
gradually weakening. The front will continue to support the
development of showers and thunderstorms over the NW Caribbean,
the Yucatan Peninsula and parts of Central America through at
least Thu. Fresh to strong winds and rough seas will prevail in
the south-central Caribbean through Wed night.

NW Caribbean W of 85W

.TONIGHT...NE winds 20 to 30 kt, diminishing to 10 to 20 kt
after midnight. Seas 8 to 13 ft.
.WED...NE winds 10 to 20 kt. Seas 7 to 10 ft.
.WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.THU...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...NE winds 10 to 15 kt, shifting to E after midnight.
Seas 3 to 5 ft.
.SUN...E winds less than 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.

Caribbean N of 15N between 72W and 85W

.TONIGHT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt
elsewhere. Seas 7 to 10 ft.
.WED...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt
elsewhere. Seas 6 to 9 ft.
.WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.THU...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...E winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...NE winds 10 to 15 kt, shifting to E after midnight.
Seas 3 to 5 ft.
.SUN...E winds less than 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less.

Caribbean from 11N to 15N W of 72W

.TONIGHT...E winds 15 to 25 kt within 90 nm of coast of
Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft.
.WED...E winds 15 to 25 kt within 90 nm of coast of Colombia,
and E 10 to 20 kt elsewhere. Seas 6 to 9 ft.
.WED NIGHT...E winds 20 to 25 kt within 90 nm of coast of
Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft.
.THU...E winds 10 to 20 kt. Seas 6 to 8 ft.
.THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI...E winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI NIGHT...NE 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 3 to 5 ft.
.SAT NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.SUN...E winds less than 10 kt. Seas 3 ft.
.SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft.

SW Caribbean S of 11N

.TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.WED...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 5 to 7 ft.
.WED NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.THU...NE winds 10 to 15 kt. Seas 6 to 8 ft.
.THU NIGHT...NW winds less than 10 kt, shifting to W after
midnight. Seas 5 to 7 ft.
.FRI...N winds less than 10 kt, shifting to NW in the afternoon.
Seas 4 to 6 ft.
.FRI NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...W winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft.
.SAT NIGHT...W winds less than 10 kt. Seas 3 to 4 ft.
.SUN...NW winds less than 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...N winds less than 10 kt, shifting to SW after
midnight. Seas 3 to 4 ft.

Caribbean between 64W and 72W

.TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 5 to 7 ft.
.WED...E winds 10 to 20 kt. Seas 5 to 7 ft.
.WED NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. 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 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...E winds less than 10 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds less than 10 kt. Seas 3 ft.
.SUN...E winds less than 10 kt. Seas 3 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft.

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

.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 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, diminishing to less than 10 kt in
the afternoon. Seas 5 to 7 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...SE winds less than 10 kt. Seas 4 to 6 ft.
.SAT...SE winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 4 to 6 ft.
.SAT NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft.
.SUN...E winds less than 10 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.

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

.TONIGHT...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, diminishing to less than 10 kt in
the afternoon. 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. Seas 4 to 6 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A strong cold front extends from near Bermuda to
eastern Cuba. It is forecast to reach from 31N61W to the
Windward Passage by this evening, then stall from 31N55W to
eastern Cuba on Wed. Gale force winds and rough to very rough
seas are noted in the wake of the front. Gale conditions are
forecast to end by tonight. As the front stalls and weakens,
winds will continue to diminish to moderate to fresh speeds on
Wed, but rough seas in NW swell will persist in the wake of the
front through Wed night. Looking ahead, a reinforcing cold front
will move across the N waters on Fri.

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

.TONIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 6 to 9 ft, subsiding to 4 to 6 ft after
midnight.
.WED...NW winds less than 10 kt. Seas 4 to 6 ft.
.WED NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...NW winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...N winds 10 kt. Seas 3 to 4 ft.
.FRI...NE winds 10 kt. Seas 3 ft.
.FRI NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft.
.SAT...NW winds less than 10 kt. Seas 3 ft.
.SAT NIGHT...SW winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft.
.SUN...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft.

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

.TONIGHT...W of 70W, N winds 10 to 20 kt, seas 10 to 15 ft,
subsiding to 8 to 11 ft after midnight. Elsewhere, N winds 15 to
25 kt, diminishing to 10 to 15 kt after midnight,Seas 10 to
15 ft.
.WED...N winds less than 10 kt. Seas 7 to 10 ft W of 70W, and
8 to 13 ft elsewhere.
.WED NIGHT...NW winds less than 10 kt. Seas 5 to 7 ft W of 70W,
and 7 to 10 ft elsewhere.
.THU...NW winds 10 to 15 kt. Seas 5 to 7 ft.
.THU NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI...N winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT...NW winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT NIGHT...NW winds 10 to 15 kt. Seas 6 to 8 ft.
.SUN...W winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...SW winds 10 to 20 kt. Seas 5 to 7 ft.

Bahamas N of 22N

.TONIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft.
.WED...NE winds 10 to 20 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 3 to 5 ft.
.THU NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft.
.FRI...NE winds 10 to 20 kt. Seas 3 to 4 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...NE winds 10 to 15 kt. Seas 3 ft.
.SAT NIGHT...NE winds 10 to 15 kt, shifting to E after midnight.
Seas 3 to 4 ft.
.SUN...E winds less than 10 kt. Seas 3 ft.
.SUN NIGHT...SE winds less than 10 kt. Seas 3 ft.

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

.TONIGHT...NE winds 15 to 25 kt W of 70W, and NE 10 to 20 kt
elsewhere. Seas 7 to 10 ft.
.WED...NE winds 10 to 20 kt. Seas 8 to 11 ft.
.WED NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft.
.THU...NE winds 10 to 15 kt. Seas 6 to 8 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.SAT...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...E winds less than 10 kt. Seas 5 to 7 ft.
.SUN NIGHT...SE winds less than 10 kt. Seas 5 to 7 ft.

ATLC waters S of 22N W of 65W

.TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.WED...E winds 10 to 20 kt. Seas 6 to 8 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 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 less than 10 kt. Seas 4 to 6 ft.
.FRI NIGHT...NE winds 10 to 15 kt, shifting to E after midnight.
Seas 3 to 5 ft.
.SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...NE winds 10 to 15 kt, diminishing to less than
10 kt after midnight. Seas 3 to 5 ft.
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 3 to 5 ft.

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

.TONIGHT...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 6 to 8 ft.
.THU...E winds 10 kt. Seas 6 to 8 ft.
.THU NIGHT...E winds 10 kt. Seas 7 ft.
.FRI...E winds 10 kt in the morning, becoming variable winds
less than 10 kt. Seas 6 to 7 ft.
.FRI NIGHT...Variable winds less than 10 kt. Seas 5 to 6 ft.
.SAT...S winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 4 to 6 ft.
.SAT NIGHT...Variable winds less than 10 kt. Seas 4 to 6 ft.
.SUN...Variable winds less than 10 kt. Seas 4 to 6 ft.
.SUN NIGHT...Variable winds less than 10 kt, becoming E 10 kt
after midnight. Seas 5 to 6 ft.