610
FZNT31 KNHC 142036
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
436 PM 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 will move across Cuba and the NW
Caribbean through Thu before dissipating. 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 E of area near 18.7N 45.5W at 5 PM
EDT, and is moving northwest at 10 kt. Maximum sustained winds
are 35 kt with gusts to 45 kt, and the minimum central pressure
is 1005 mb.

NW Caribbean W of 85W

.TONIGHT...NE 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.
.WED NIGHT...E winds less than 10 kt. Seas 2 ft or less,
building to 3 to 4 ft after midnight.
.THU...W winds less than 10 kt. Seas 3 to 4 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...SE winds 10 to 15 kt. Seas 2 ft or less, building
to 3 to 4 ft after midnight.
.SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 3 ft.

Caribbean N of 15N between 72W and 85W

.TONIGHT...E winds less than 10 kt. Seas 2 ft or less.
.WED...E 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 N 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...SE 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 less than 10 kt, shifting to SE after
midnight. Seas 2 ft or less.
.SUN...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft
in the afternoon.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

Caribbean from 11N to 15N W of 72W

.TONIGHT...NE winds 10 to 15 kt within 90 nm of coast of
Colombia, and NE less than 10 kt elsewhere. Seas 2 ft or less.
.WED...Within 90 nm of coast of Colombia, SE winds 10 to 15 kt.
Elsewhere, NE winds less than 10 kt in the morning, becoming
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...SW winds 10 to 15 kt within 90 nm of coast of Colombia,
and Variable less than 10 kt elsewhere. 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...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, building to
3 ft after midnight.
.SUN...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.

SW Caribbean S of 11N

.TONIGHT...NW winds less than 10 kt. Seas 2 ft or less.
.WED...W winds less than 10 kt. Seas 2 ft or less.
.WED NIGHT...S winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 2 ft or less.
.THU...S winds less than 10 kt. Seas 2 ft or less.
.THU NIGHT...Variable winds less than 10 kt, becoming S less
than 10 kt after midnight. Seas 2 ft or less.
.FRI...SW 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.
.SUN...Variable winds less than 10 kt. Seas 2 ft or less.
.SUN NIGHT...Variable winds less than 10 kt, becoming NW less
than 10 kt after midnight. Seas 2 ft or less.

Caribbean between 64W and 72W

.TONIGHT...NE winds 10 to 15 kt Gulf of Venezuela, and E less
than 10 kt elsewhere. Seas 3 ft.
.WED...Gulf of Venezuela, E winds 10 to 15 kt, shifting to SW in
the afternoon. Elsewhere, SE winds less than 10 kt. Seas 3 ft.
.WED NIGHT...SE winds less than 10 kt. Gulf of Venezuela, seas
2 ft or less. Elsewhere, seas 3 ft in the evening, subsiding to
2 ft or less.
.THU...W winds 10 to 15 kt Gulf of Venezuela, and S less than
10 kt elsewhere. Seas 2 ft or less.
.THU NIGHT...SW winds less than 10 kt. 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...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.
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

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

.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 less than 10 kt, increasing to 10 to 15 kt
after midnight. 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 less than 10 kt. Seas 4 to 6 ft.
.FRI NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. 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.
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.

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

.TONIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. 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.
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A cold front extending from 31N70W to SE Florida
will move SE across the forecast waters through Thu before
dissipating. The front will reach from near Bermuda to central
Cuba by Wed morning, and from 31N59W 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 tonight.
These marine conditions will shift eastward with the front
through late in the week. A reinforcing front will follow the
main front, and is forecast to extend from 31N60W to the Straits
of Florida by Fri morning. Meanwhile, Tropical Storm Lorenzo is E
of area near 18.7N 45.5W at 5 PM EDT, and is moving northwest at
10 kt. Maximum sustained winds are 35 kt with gusts to 45 kt,
and the minimum central pressure is 1005 mb.

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

.TONIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft.
.WED...N winds 10 to 20 kt. Seas 6 to 9 ft.
.WED NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft.
.THU...NE winds 10 to 20 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 10 kt. Seas 5 to 7 ft.
.SAT NIGHT...SE winds 10 kt. Seas 5 to 7 ft.
.SUN...SE winds 10 kt. Seas 5 to 7 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 6 to 7 ft.

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

.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 15 to 25 kt. Seas 8 to 12 ft.
.FRI NIGHT...N winds 15 to 25 kt. Seas 8 to 13 ft.
.SAT...N winds 10 to 20 kt. Seas 8 to 13 ft.
.SAT NIGHT...N winds 10 to 15 kt, shifting to NE after midnight.
Seas 8 to 13 ft.
.SUN...Variable winds less than 10 kt. Seas 8 to 11 ft.
.SUN NIGHT...SE winds less than 10 kt. Seas 6 to 8 ft.

Bahamas N of 22N

.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 20 kt. Seas 3 to 5 ft.
.FRI...NE winds 10 to 20 kt. Seas 3 to 5 ft.
.FRI NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 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.
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

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

.TONIGHT...NW winds less than 10 kt W of 70W, and SW 10 to 15 kt
elsewhere. Seas 4 to 5 ft.
.WED...NW 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 kt. Seas 7 to 10 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft.
.SUN...E winds 10 to 15 kt. Seas 8 to 10 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft.

ATLC waters S of 22N W of 65W

.TONIGHT...SE winds less than 10 kt. Seas 3 to 5 ft.
.WED...SW winds less than 10 kt. Seas 3 to 4 ft.
.WED NIGHT...W winds less than 10 kt. Seas 3 to 4 ft.
.THU...NW winds 10 to 15 kt. 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.
.SUN...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.

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

.TONIGHT...SE winds less than 10 kt. Seas 4 to 5 ft.
.WED...S winds 10 kt. Seas 4 to 5 ft.
.WED NIGHT...SW winds less than 10 kt. Seas 4 to 6 ft.
.THU...SW winds 10 to 15 kt. Seas 5 to 7 ft.
.THU NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft.
.FRI...SW winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft.
.SAT...SW winds 10 to 15 kt, shifting to S in the afternoon.
Seas 5 to 7 ft.
.SAT NIGHT...E winds less than 10 kt. Seas 6 to 8 ft.
.SUN...E winds 10 to 15 kt. Seas 6 to 9 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft.