513
FZNT31 KNHC 061450
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1050 AM EDT Sat Sep 6 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...The pressure gradient between the Atlantic ridge and
the Colombian low will continue to support moderate to fresh
easterly trade winds along with moderate seas across much of the
central Caribbean into early Sun. Looking ahead, a tropical wave
currently in the eastern Atlantic may bring strong winds and
rough seas to the Atlantic waters east of the Leeward Islands by
the middle of next week.

NW Caribbean W of 85W

.THIS AFTERNOON...SE winds less than 10 kt. Seas 3 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 3 ft.
.SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft.
.SUN NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 3 ft.
.MON...SE winds less than 10 kt. Seas 2 ft or less.
.MON NIGHT...SE winds less than 10 kt. Seas 2 ft or less.
.TUE...SE winds less than 10 kt. Seas 2 ft or less.
.TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 ft after midnight.
.WED...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 ft.

Caribbean N of 15N between 72W and 85W

.THIS AFTERNOON...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.
.TONIGHT...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.
.SUN...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.
.SUN NIGHT...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.
.MON...E winds less than 10 kt, shifting to SE in the afternoon.
Seas 3 ft.
.MON NIGHT...E winds less than 10 kt. Seas 3 ft.
.TUE...E winds 10 to 15 kt. Seas 3 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft.
.WED...E winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

Caribbean from 11N to 15N W of 72W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...E winds 10 to 15 kt. 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. Seas 3 to 5 ft.
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft.
.TUE...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

SW Caribbean S of 11N

.THIS AFTERNOON...Variable winds less than 10 kt. Seas 3 to
4 ft.
.TONIGHT...W winds less than 10 kt. Seas 3 to 4 ft.
.SUN...SW winds less than 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...Variable winds less than 10 kt, becoming SW less
than 10 kt after midnight. Seas 3 ft.
.MON...Variable winds less than 10 kt. Seas 3 ft.
.MON NIGHT...Variable winds less than 10 kt. Seas 3 ft.
.TUE...Variable winds less than 10 kt. Seas 3 ft.
.TUE NIGHT...Variable winds less than 10 kt. Seas 3 ft in the
evening, subsiding to 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 3 ft.

Caribbean between 64W and 72W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 2 ft or less Gulf of
Venezuela, and 3 to 5 ft elsewhere.
.TONIGHT...E winds 10 to 20 kt. 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. Seas 2 ft or less Gulf of
Venezuela, and 3 to 5 ft elsewhere.
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...E winds 10 to 15 kt. 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. Seas 4 to 6 ft.
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...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.

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

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

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A trough off northeast Florida will persist into
Mon,
ahead of a cold front that move into the area by late Mon. The
front will stall off northeast Florida Tue. This will keep
showers and thunderstorms along with locally hazards winds and
seas in place offshore Florida and north of the Bahamas during
this time. Elsewhere, the Bermuda ridge will dominate weather
through the forecast period, bringing gentle to moderate winds
and slight to moderate seas.

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

.THIS AFTERNOON...S winds less than 10 kt. Seas 3 ft.
.TONIGHT...S winds 10 kt. Seas 3 ft.
.SUN...S winds less than 10 kt. Seas 3 ft.
.SUN NIGHT...S winds less than 10 kt. Seas 3 ft.
.MON...SE winds less than 10 kt. Seas 3 to 4 ft.
.MON NIGHT...SE winds 10 kt. Seas 3 to 5 ft.
.TUE...S winds less than 10 kt. Seas 3 to 5 ft.
.TUE NIGHT...S winds less than 10 kt. Seas 3 to 5 ft.
.WED...SW winds less than 10 kt. Seas 4 to 5 ft.
.WED NIGHT...Variable winds less than 10 kt, becoming SE less
than 10 kt after midnight. Seas 3 to 5 ft.

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

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...SE winds less than 10 kt W of 70W, and SE 10 to
15 kt elsewhere. Seas 4 to 6 ft.
.MON...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft.
.TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...SE winds 10 kt. Seas 4 to 5 ft.
.WED...SE winds 10 kt. Seas 4 to 5 ft.
.WED NIGHT...SE winds 10 kt. Seas 4 to 5 ft.

Bahamas N of 22N

.THIS AFTERNOON...SE winds less than 10 kt. Seas 2 ft or less.
.TONIGHT...SE 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...SE winds less than 10 kt. Seas 2 ft or less.
.MON NIGHT...SE winds less than 10 kt. Seas 2 ft or less.
.TUE...SE winds less than 10 kt. Seas 2 ft or less.
.TUE NIGHT...SE winds less than 10 kt. Seas 2 ft or less.
.WED...SE winds less than 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less.
.WED NIGHT...E winds less than 10 kt. Seas 2 ft or less,
building to 3 ft after midnight.

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

.THIS AFTERNOON...SE winds 10 kt. Seas 3 to 4 ft.
.TONIGHT...E winds 10 kt. Seas 3 to 4 ft.
.SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.MON...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...SE winds 10 kt. Seas 3 to 5 ft.
.TUE...SE winds 10 to 15 kt. Seas 4 to 5 ft.
.TUE NIGHT...E winds 10 kt. Seas 4 to 5 ft.
.WED...E winds 10 kt. Seas 4 to 5 ft.
.WED NIGHT...E winds 10 kt. Seas 4 to 5 ft.

ATLC waters S of 22N W of 65W

.THIS AFTERNOON...E winds less than 10 kt. Seas 3 to 4 ft.
.TONIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.SUN...SE winds 10 to 15 kt. Seas 3 to 4 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 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 5 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.MON...E winds 10 to 15 kt. Seas 5 to 6 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 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.
.WED...E winds 10 to 15 kt. Seas 5 to 6 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 5 ft.