Offshore Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
400
FZNT31 KNHC 071253
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
753 AM EST Fri Nov 7 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 and moderate seas will prevail
over the Caribbean through this afternoon, with winds pulsing to
fresh speeds in the south-central basin and offshore of southern
Hispaniola. Winds will freshen over the central and eastern
Caribbean tonight, then prevail through Monday, as a surface
trough moves westward through the region, and high pressure
builds to the north. Locally strong winds and rough seas are
likely in the south- central Caribbean during the weekend.
Elsewhere, rough seas in mixed N and E swell are expected over
the waters east of the Lesser Antilles and through the Atlantic
Passages into late Tue. Looking ahead, a strong cold front is
slated to enter the northwestern Caribbean Mon, leading to
widespread fresh to strong NE winds and rough seas in the wake
of the front. The cold front is forecast to reach from E Cuba to
E Honduras Tue evening.

NW Caribbean W of 85W

.TODAY...E winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less.
.TONIGHT...E 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. Seas 2 ft or less.
.SUN...E winds less than 10 kt. Seas 2 ft or less.
.SUN NIGHT...NE winds less than 10 kt. Seas 2 ft or less.
.MON...N winds 10 to 20 kt. Seas 2 ft or less, building to 3 to
4 ft in the afternoon.
.MON NIGHT...N winds 15 to 25 kt. Seas 4 to 6 ft, building to
6 to 9 ft after midnight.
.TUE...NE winds 15 to 25 kt. Seas 8 to 11 ft.
.TUE NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft.

Caribbean N of 15N between 72W and 85W

.TODAY...S of 18N, E winds 10 to 15 kt. Elsewhere, E winds less
than 10 kt in the morning, becoming variable winds less than
10 kt. Seas 3 ft.
.TONIGHT...E winds 10 to 15 kt S of 18N, and Variable less than
10 kt elsewhere. Seas 3 ft.
.SAT...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.
.SAT NIGHT...E winds 10 to 20 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.
.SUN...E winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.MON...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE...NE winds 15 to 25 kt. Seas 6 to 8 ft.
.TUE NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft.

Caribbean from 11N to 15N W of 72W

.TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...E winds 10 to 20 kt within 90 nm of coast of
Colombia, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft.
.SAT...E winds 10 to 20 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 4 to 6 ft.
.SUN NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.MON...E winds 10 to 20 kt. Seas 5 to 7 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.

SW Caribbean S of 11N

.TODAY...Variable winds less than 10 kt, becoming NW less than
10 kt in the afternoon. Seas 3 to 4 ft.
.TONIGHT...N winds less than 10 kt. Seas 3 to 4 ft.
.SAT...N winds less than 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...N winds less than 10 kt, shifting to NE after
midnight. Seas 3 to 5 ft.
.SUN...NE winds 10 to 15 kt, shifting to N in the afternoon.
Seas 4 to 6 ft.
.SUN NIGHT...N winds less than 10 kt. Seas 4 to 6 ft.
.MON...NW winds less than 10 kt. Seas 4 to 6 ft.
.MON NIGHT...W winds less than 10 kt. Seas 4 to 6 ft.
.TUE...W winds less than 10 kt. Seas 4 to 6 ft.
.TUE NIGHT...N winds less than 10 kt, shifting to SE after
midnight. Seas 4 to 6 ft.

Caribbean between 64W and 72W

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

.TODAY...E winds 10 to 15 kt. Seas 6 to 9 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.SAT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.SUN...E winds 10 to 20 kt. Seas 6 to 8 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.MON...E winds 10 to 15 kt. Seas 5 to 7 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.

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

.TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT...E winds 10 to 20 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 6 to 8 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.MON...E winds 10 to 20 kt. Seas 6 to 8 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TUE...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Rough seas in N swell will impact waters SE of
Bermuda to about 20N through tonight. Moderate or weaker winds
are expected over the waters through much of today, with
occasionally fresh E winds developing south of 25N tonight.
Looking ahead, moderate to fresh S to SW winds will develop
offshore of Florida late this weekend ahead of a cold front
moving through the southeastern U.S. The cold front will push
off the coast Sun night into Mon and progress southeastward into
the central Atlantic, leading to strong winds and rough seas
behind the front into Wed.

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

.TODAY...SE winds less than 10 kt. Seas 3 to 4 ft.
.TONIGHT...S winds 10 kt. Seas 3 to 4 ft.
.SAT...W winds less than 10 kt. Seas 3 to 4 ft.
.SAT NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft.
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.MON...NW winds 15 to 25 kt. Seas 5 to 7 ft.
.MON NIGHT...NW winds 25 to 30 kt. Seas 8 to 11 ft.
.TUE...NW winds 20 to 30 kt, shifting to N 15 to 20 kt in the
afternoon. Seas 8 to 11 ft.
.TUE NIGHT...N winds 10 to 15 kt, shifting to NE after midnight.
Seas 6 to 9 ft.

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

.TODAY...SE winds less than 10 kt. Seas 4 to 6 ft.
.TONIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...W of 70W, SW winds 10 to 15 kt, shifting to W in the
afternoon. Elsewhere, S winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...S winds less than 10 kt W of 70W, and SW 10 to
15 kt elsewhere. Seas 3 to 5 ft.
.SUN...S winds 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.MON...SW winds 10 to 20 kt. Seas 5 to 7 ft.
.MON NIGHT...W winds 15 to 25 kt. Seas 7 to 10 ft.
.TUE...NW winds 20 to 30 kt. Seas 8 to 11 ft.
.TUE NIGHT...N winds 10 to 20 kt. Seas 8 to 13 ft.

Bahamas N of 22N

.TODAY...SE winds less than 10 kt. Seas 3 ft.
.TONIGHT...SE 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...SE winds less than 10 kt. Seas 2 ft or less.
.SUN NIGHT...SE winds less than 10 kt. Seas 2 ft or less.
.MON...S winds less than 10 kt, shifting to W in the afternoon.
Seas 2 ft or less.
.MON NIGHT...N winds 15 to 25 kt. Seas 3 to 5 ft.
.TUE...N winds 15 to 25 kt. Seas 4 to 6 ft.
.TUE NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft.

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

.TODAY...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.TONIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft.
.SAT...W of 70W, S winds 10 to 15 kt, diminishing to less than
10 kt in the afternoon. Elsewhere, SE winds 10 to 15 kt. Seas
4 to 5 ft.
.SAT NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft.
.SUN...SE winds 10 kt. Seas 3 to 5 ft.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.MON...S winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE...SW winds 10 to 20 kt, shifting to N in the afternoon.
Seas 6 to 9 ft.
.TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft.

ATLC waters S of 22N W of 65W

.TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 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.
.MON...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE...E winds less than 10 kt. Seas 3 to 5 ft.
.TUE 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...E winds 10 to 15 kt. Seas 6 to 8 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 15 kt. Seas 6 to 7 ft.
.SUN NIGHT...E winds 15 kt. Seas 6 to 7 ft.
.MON...E winds 15 kt. Seas 6 to 7 ft.
.MON NIGHT...E winds 15 kt. Seas 6 ft.
.TUE...E winds 10 to 15 kt. Seas 5 to 6 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.