358
FZNT31 KNHC 140903
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
503 AM EDT Tue Oct 14 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 cold front extends from 31N73W to the NW Bahamas
and will move across Cuba and the NW Caribbean today through
Thu. Moderate to locally fresh winds and moderate seas are
expected in the wake of the front. Unsettled weather conditions
will persist along and ahead of the frontal boundary. Elsewhere,
a weak pressure gradient will support moderate or lighter winds
and slight to moderate seas over much of the basin through the
work week. Meanwhile, Tropical Storm Lorenzo is well E of the
forecast region near 17.2N 43.8W at 5 AM EDT, and is moving
northwest at 13 kt. Maximum sustained winds are 50 kt with gusts
to 60 kt, and the minimum central pressure is 1000 mb.

NW Caribbean W of 85W

.TODAY...N winds less than 10 kt. Seas 3 to 4 ft.
.TONIGHT...NE winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 3 ft in the evening,
subsiding to 2 ft or less.
.WED...N winds less than 10 kt. Seas 2 ft or less, building to
3 ft in the afternoon.
.WED NIGHT...E winds less than 10 kt. Seas 2 ft or less,
building to 3 ft after midnight.
.THU...NW winds less than 10 kt. Seas 3 ft.
.THU NIGHT...E winds less than 10 kt. Seas 3 ft in the evening,
subsiding to 2 ft or less.
.FRI...SE winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less.
.SAT...SE winds less than 10 kt. Seas 2 ft or less.
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 to 4 ft after midnight.

Caribbean N of 15N between 72W and 85W

.TODAY...E winds less than 10 kt. Seas 2 ft or less.
.TONIGHT...E winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 2 ft or less.
.WED...Variable winds less than 10 kt. Seas 2 ft or less.
.WED NIGHT...Variable winds less than 10 kt. Seas 2 ft or less.
.THU...Variable winds less than 10 kt. Seas 2 ft or less.
.THU NIGHT...Variable winds less than 10 kt, becoming NE less
than 10 kt after midnight. Seas 2 ft or less.
.FRI...SE winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less.
.SAT...SE winds less than 10 kt. Seas 2 ft or less.
.SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less.

Caribbean from 11N to 15N W of 72W

.TODAY...E winds 10 to 15 kt within 90 nm of coast of Colombia,
and E less than 10 kt elsewhere. Seas 2 ft or less.
.TONIGHT...NE winds less than 10 kt. Seas 2 ft or less.
.WED...S winds less than 10 kt within 90 nm of coast of
Colombia, and Variable less than 10 kt elsewhere. Seas 2 ft or
less.
.WED NIGHT...Variable winds less than 10 kt. Seas 2 ft or less.
.THU...Variable winds less than 10 kt. Seas 2 ft or less.
.THU NIGHT...Variable winds less than 10 kt. Seas 2 ft or less.
.FRI...Variable winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...Variable winds less than 10 kt. Seas 2 ft or less.
.SAT...E winds less than 10 kt. Seas 2 ft or less.
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less.

SW Caribbean S of 11N

.TODAY...Variable winds less than 10 kt. Seas 2 ft or less.
.TONIGHT...NW winds less than 10 kt. Seas 2 ft or less.
.WED...Variable winds less than 10 kt. Seas 2 ft or less.
.WED NIGHT...Variable winds less than 10 kt, becoming SW less
than 10 kt after midnight. Seas 2 ft or less.
.THU...Variable winds less than 10 kt, becoming S less than
10 kt in the afternoon. Seas 2 ft or less.
.THU NIGHT...Variable winds less than 10 kt, becoming SW less
than 10 kt after midnight. Seas 2 ft or less.
.FRI...SW winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...Variable winds less than 10 kt. Seas 2 ft or less.
.SAT...Variable winds less than 10 kt. Seas 2 ft or less.
.SAT NIGHT...Variable winds less than 10 kt. Seas 2 ft or less.

Caribbean between 64W and 72W

.TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 2 ft or less Gulf of Venezuela, and 3 to
4 ft elsewhere.
.TONIGHT...NE winds 10 to 15 kt Gulf of Venezuela, and E less
than 10 kt elsewhere. Seas 3 ft.
.WED...SE winds less than 10 kt. Seas 3 ft.
.WED NIGHT...SE winds less than 10 kt. Seas 2 ft or less.
.THU...SW winds less than 10 kt. Seas 2 ft or less.
.THU NIGHT...SW winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 2 ft or less.
.FRI...Variable winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less.
.SAT...E winds 10 to 15 kt. Seas 2 ft or less.
.SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.

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

.TODAY...E winds 10 to 15 kt, shifting to SE in the afternoon.
Seas 4 to 6 ft.
.TONIGHT...SE winds less than 10 kt. Seas 3 to 5 ft.
.WED...SE winds less than 10 kt, shifting to S in the afternoon.
Seas 3 to 5 ft.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...S winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...S winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft.
.SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.

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

.TODAY...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.TONIGHT...SE winds less than 10 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. Seas 3 to 5 ft.
.THU...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...SE 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 4 to 6 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A cold front extends from 31N73W to the NW Bahamas
and will move SE across the forecast waters through the week.
The front will reach from 31N70W to western Cuba by Tue morning,
from near Bermuda to central Cuba by Wed morning, and from
31N60W to eastern Cuba by Thu morning. Fresh to strong winds and
rough seas are expected on either side of the front across the
waters N of 27N by Tue night. These marine conditions will shift
eastward with the front through late in the week. Meanwhile,
Tropical Storm Lorenzo is well E of the forecast region near
17.2N 43.8W at 5 AM EDT, and is moving northwest at 13 kt.
Maximum sustained winds are 50 kt with gusts to 60 kt, and the
minimum central pressure is 1000 mb.

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

.TODAY...N winds 10 to 15 kt. Seas 5 to 7 ft.
.TONIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft.
.WED...N winds 10 to 15 kt. Seas 6 to 9 ft.
.WED NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft.
.THU...NE winds 10 to 15 kt. Seas 7 to 8 ft.
.THU NIGHT...NE winds 15 to 20 kt. Seas 7 to 9 ft.
.FRI...NE winds 10 to 15 kt. Seas 7 to 8 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft.
.SAT...E winds less than 10 kt. Seas 5 to 7 ft.
.SAT NIGHT...SE winds less than 10 kt. Seas 5 to 7 ft.

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

.TODAY...W winds 10 to 15 kt. Seas 6 to 8 ft.
.TONIGHT...NW winds 10 to 20 kt. Seas 6 to 8 ft.
.WED...NW winds 10 to 20 kt. Seas 6 to 9 ft.
.WED NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft.
.THU...N winds 10 to 20 kt. Seas 7 to 9 ft.
.THU NIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft.
.FRI...N winds 10 to 20 kt. Seas 8 to 12 ft.
.FRI NIGHT...N winds 10 to 20 kt. Seas 8 to 13 ft.
.SAT...N winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 8 to 13 ft.
.SAT NIGHT...NE winds less than 10 kt. Seas 8 to 13 ft.

Bahamas N of 22N

.TODAY...NE winds less than 10 kt. Seas 2 ft or less.
.TONIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft.
.WED...N winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 3 to 4 ft.
.THU...N winds less than 10 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 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.

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

.TODAY...SW winds less than 10 kt. Seas 4 to 5 ft.
.TONIGHT...SW winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 4 to 5 ft.
.WED...W winds 10 to 15 kt. Seas 4 to 6 ft.
.WED NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft.
.THU...NW winds 10 kt. Seas 5 to 7 ft.
.THU NIGHT...NW winds 10 to 15 kt. Seas 6 to 8 ft.
.FRI...N winds 10 to 15 kt. Seas 6 to 8 ft.
.FRI NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft.
.SAT...NE winds 10 to 15 kt. Seas 7 to 10 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft.

ATLC waters S of 22N W of 65W

.TODAY...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft.
.TONIGHT...SE winds less than 10 kt. Seas 3 to 5 ft.
.WED...W winds less than 10 kt. Seas 3 to 4 ft.
.WED NIGHT...W winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft.
.THU...NW winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft.
.THU NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft.
.FRI...NW winds less than 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft.
.SAT...E winds less than 10 kt. Seas 4 to 6 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.

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

.TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft.
.TONIGHT...SE winds less than 10 kt. Seas 4 to 5 ft.
.WED...S winds 10 to 15 kt. Seas 4 to 5 ft.
.WED NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft.
.THU...SW winds 10 to 20 kt. Seas 5 to 7 ft.
.THU NIGHT...SW winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI...SW winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI NIGHT...SW winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT...SW winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 5 to 7 ft.
.SAT NIGHT...E winds less than 10 kt. Seas 6 to 8 ft.