Offshore Forecast
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489
FZNT31 KNHC 080917
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
517 AM EDT Wed Oct 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 trade winds across the south-central
Caribbean and Gulf of Honduras will continues through early Thu.
Tropical Storm Jerry is near 12.8N 48.7W at 5 AM EDT, moving
west-northwest at 20 kt. Maximum sustained winds are 45 kt with
gusts to 55 kt, and the minimum central pressure is 1003 mb.
Jerry is expected to gradually intensify, reaching near 14.2N
53.4W Wed afternoon, strengthen to a hurricane near 17.3N 59.5W
Thu afternoon, reach near 21.1N 62.9W Fri afternoon, and near
23.6N 63.2W Fri night. Jerry is then expected to move northward
and away from the region. Fresh southerly winds will sweep
across the Caribbean E of 65W Thu night through early Sat as
Jerry passes just E of the Leeward Islands.

NW Caribbean W of 85W

.TODAY...E winds 10 to 20 kt. Seas 3 to 5 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 3 ft.
.THU...NE winds less than 10 kt. Seas 3 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI...W winds less than 10 kt. Seas 3 ft.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 3 ft.
.SAT...W winds less than 10 kt, shifting to NW in the afternoon.
Seas 3 to 5 ft.
.SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...N winds less than 10 kt. Seas 3 to 5 ft.

Caribbean N of 15N between 72W and 85W

.TODAY...S of 18N, E winds 10 to 15 kt. Elsewhere, E winds 10 to
15 kt, diminishing to less than 10 kt in the afternoon. Seas
2 ft or less.
.TONIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt
elsewhere. Seas 2 ft or less.
.THU...S of 18N, E winds 10 to 15 kt, diminishing to less than
10 kt in the afternoon. Elsewhere, SE winds less than 10 kt.
Seas 2 ft or less.
.THU NIGHT...E winds less than 10 kt. Seas 2 ft or less.
.FRI...S winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...SE winds less than 10 kt S of 18N, and SW 10 to
15 kt elsewhere. Seas 2 ft or less.
.SAT...S winds less than 10 kt S of 18N, and SW 10 to 15 kt
elsewhere. Seas 2 ft or less.
.SAT NIGHT...S winds less than 10 kt S of 18N, and SW 10 to
15 kt elsewhere. Seas 2 ft or less.
.SUN...S winds 10 to 15 kt. Seas 2 ft or less, building to 3 to
4 ft in the afternoon.

Caribbean from 11N to 15N W of 72W

.TODAY...E winds 10 to 20 kt. Seas 3 to 4 ft.
.TONIGHT...NE winds 10 to 20 kt. Seas 3 ft.
.THU...E winds 10 to 15 kt. Seas 3 ft.
.THU NIGHT...Within 90 nm of coast of Colombia, E winds less
than 10 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less
than 10 kt after midnight. Seas 3 ft.
.FRI...Within 90 nm of coast of Colombia, S winds less than
10 kt. Elsewhere, E winds less than 10 kt, shifting to SE in the
afternoon. Seas 3 ft.
.FRI NIGHT...SE winds less than 10 kt. Seas 3 ft in the evening,
subsiding to 2 ft or less.
.SAT...S winds 10 to 15 kt. Seas 2 ft or less.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 ft or less, building
to 3 ft after midnight.
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft.

SW Caribbean S of 11N

.TODAY...E winds 10 to 15 kt. Seas 3 ft.
.TONIGHT...N winds less than 10 kt. Seas 3 ft.
.THU...SW winds less than 10 kt. Seas 3 ft.
.THU NIGHT...SW winds less than 10 kt. Seas 2 ft or less.
.FRI...SW winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...SW winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less, building to 3 ft after
midnight.
.SAT...SW winds 10 to 15 kt. Seas 3 ft in the morning, subsiding
to 2 ft or less.
.SAT NIGHT...SW winds 10 to 20 kt. Seas 2 ft or less, building
to 3 ft after midnight.
.SUN...SW winds 10 to 20 kt. Seas 3 to 4 ft.

Caribbean between 64W and 72W

.TODAY...Gulf of Venezuela, E winds 10 to 15 kt, diminishing to
less than 10 kt in the afternoon. Elsewhere, E winds 10 to
15 kt. Seas 3 to 4 ft.
.TONIGHT...E winds 10 to 20 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...Gulf of Venezuela, SE winds 10 kt, shifting to SW less
than 10 kt in the afternoon. Elsewhere, SE winds 10 to 20 kt.
Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere.
.FRI NIGHT...Gulf of Venezuela, N winds 10 kt, shifting to SW
less than 10 kt after midnight. Elsewhere, SE winds 10 to 20 kt.
Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere.
.SAT...W winds less than 10 kt Gulf of Venezuela, and SE 10 to
20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to
5 ft elsewhere.
.SAT NIGHT...NE winds less than 10 kt Gulf of Venezuela, and E
10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and
3 to 5 ft elsewhere.
.SUN...Variable winds less than 10 kt Gulf of Venezuela, and SE
10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and
3 to 5 ft elsewhere.

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

...HURRICANE WARNING...

.TODAY...TROPICAL STORM CONDITIONS POSSIBLE. E winds 15 to
25 kt. Seas 5 to 7 ft.
.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 45 to
55 kt. Seas 6 to 9 ft, building to 11 to 16 ft after midnight.
.THU...TROPICAL STORM CONDITIONS EXPECTED. SE winds 50 to
60 kt. Seas 11 to 16 ft.
.THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 55 to
65 kt. Seas 12 to 17 ft.
.FRI...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 35 to
45 kt, diminishing to 15 to 25 kt in the afternoon. Seas 8 to
13 ft, subsiding to 7 to 10 ft in the afternoon.
.FRI NIGHT...SE winds 10 to 20 kt. Seas 7 to 10 ft.
.SAT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft.

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

...TROPICAL STORM WARNING...

.TODAY...TROPICAL STORM CONDITIONS POSSIBLE. E winds 15 to
25 kt. Seas 4 to 6 ft.
.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 35 to
45 kt. Seas 6 to 9 ft.
.THU...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 20 to
30 kt. Seas 6 to 9 ft.
.THU NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI...E winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Fresh NE to E winds prevail north of a stationary
front extending from the central Atlantic near 26N55W to 24N63W
then through the NW Bahamas, and will gradually diminish through
Thu as the front drifts northward and dissipates. Tropical Storm
Jerry is near 12.8N 48.7W at 5 AM EDT, moving west-northwest at
20 kt. Maximum sustained winds are 45 kt with gusts to 55 kt,
and the minimum central pressure is 1003 mb. Jerry is expected
to gradually intensify, reaching near 14.2N 53.4W Wed afternoon,
strengthen to a hurricane near 17.3N 59.5W Thu afternoon, reach
near 21.1N 62.9W Fri afternoon, near 23.6N 63.2W Fri night, and
near 28.3N 63.0W Sat night. Jerry will then begin to gradually
weaken as it moves NE and exits to the north of 31N early Mon.
Low pressure is expected to develop offshore of NE Florida and
Georgia Sat and move NE through the weekend.

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

.TODAY...E winds 10 to 15 kt. Seas 6 to 8 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.THU...NE winds 15 to 25 kt. Seas 5 to 7 ft.
.THU NIGHT...E winds 15 to 25 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.
.SAT...W winds 15 to 25 kt. Seas 8 to 11 ft.
.SAT NIGHT...NW winds 15 to 25 kt. Seas 8 to 13 ft.
.SUN...NW winds 15 to 25 kt. Seas 8 to 13 ft.

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

.TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.THU...E winds 10 to 15 kt. Seas 5 to 7 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.FRI...E winds 15 to 25 kt W of 70W, and NE 15 to 25 kt
elsewhere. W of 70W, seas 7 to 10 ft. Elsewhere, seas 5 to 6 ft,
building to 6 to 9 ft in the afternoon.
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE.
.SAT...HURRICANE CONDITIONS POSSIBLE.
.SAT NIGHT...HURRICANE CONDITIONS POSSIBLE.
.SUN...TROPICAL STORM CONDITIONS POSSIBLE.

Bahamas N of 22N

.TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...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...SE winds 10 to 15 kt, shifting to S in the afternoon.
Seas 3 ft.
.FRI NIGHT...SW winds less than 10 kt, shifting to S after
midnight. Seas 3 to 4 ft.
.SAT...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT NIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN...W winds 10 to 15 kt. Seas 4 to 6 ft.

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

.TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.THU...E winds 10 to 15 kt. Seas 5 to 7 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.FRI...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 15 kt
W of 70W, and SE less than 10 kt elsewhere. Seas 4 to 6 ft W of
70W, and 7 to 10 ft elsewhere.
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. W of 70W, E winds
less than 10 kt, shifting to S after midnight. Elsewhere, NE
winds less than 10 kt, shifting to SE after midnight. Seas 6 to
8 ft W of 70W, and 8 to 13 ft elsewhere.
.SAT...HURRICANE CONDITIONS POSSIBLE.
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE.
.SUN...TROPICAL STORM CONDITIONS POSSIBLE.

ATLC waters S of 22N W of 65W

.TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft.
.THU NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.
.FRI...TROPICAL STORM CONDITIONS POSSIBLE. S winds less than
10 kt. Seas 6 to 9 ft.
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S winds less
than 10 kt. Seas 6 to 9 ft.
.SAT...S winds less than 10 kt. Seas 6 to 9 ft.
.SAT NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 4 to 6 ft.
.SUN...S winds 10 to 15 kt. Seas 4 to 6 ft.

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

...HURRICANE WARNING...

.TODAY...SE winds 10 to 20 kt. Seas 6 to 7 ft.
.TONIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft.
.THU...TROPICAL STORM CONDITIONS EXPECTED. E winds 15 to 25 kt,
increasing to 25 to 35 kt in the afternoon. Seas 9 to 14 ft.
.THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 35 to
45 kt, increasing to 55 to 65 kt after midnight. Seas 12 to
17 ft.
.FRI...HURRICANE CONDITIONS POSSIBLE. SE winds 60 to 70 kt.
Seas 14 to 19 ft.
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE.
.SAT...TROPICAL STORM CONDITIONS POSSIBLE.
.SAT NIGHT...SE winds 10 to 15 kt. Seas 7 to 10 ft, subsiding to
6 to 7 ft after midnight.
.SUN...E winds 10 to 15 kt. Seas 6 to 7 ft.