426
FZNT31 KNHC 121941
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
341 PM EDT Sat Apr 12 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...Fresh to strong winds off Nicaragua will continue
through the weekend before diminishing on Mon. Fresh to strong
winds will develop in the lee of Cuba, the Windward Passage, and
in the lee of Hispaniola Sun night through Tue as a high
pressure center shifts across the Atlantic waters N of the area.
Elsewhere, moderate to fresh trades will prevail in the
south-central Caribbean through the weekend before strengthening
by early next week.

NW Caribbean W of 85W

.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.MON...E winds less than 10 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.WED...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...E winds 10 to 15 kt. Seas 4 to 5 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

Caribbean N of 15N between 72W and 85W

.TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...NE winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft.
.MON...E winds 10 to 20 kt. Seas 4 to 6 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...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.WED...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft.

Caribbean from 11N to 15N W of 72W

.TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...NE winds 15 to 25 kt within 90 nm of coast of
Colombia, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft.
.MON...E winds 20 to 25 kt within 90 nm of coast of Colombia,
and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft.
.MON NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft.
.TUE...E winds 15 to 25 kt. Seas 7 to 10 ft.
.TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.WED...NE winds 10 to 20 kt. Seas 7 to 10 ft.
.WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.THU...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.

SW Caribbean S of 11N

.TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...N winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft.
.MON...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.TUE...NE winds 10 to 20 kt. Seas 7 to 10 ft.
.TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.WED...NE winds 10 to 20 kt. Seas 7 to 10 ft.
.WED NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft.
.THU...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.

Caribbean between 64W and 72W

.TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt
elsewhere. Seas 3 to 5 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.MON...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt
elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 4 to 6 ft
elsewhere.
.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.
.WED...E winds 10 to 20 kt. Seas 4 to 6 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.THU...E winds 10 to 20 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft.

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

.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 4 to 6 ft.
.MON...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft.
.MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 5 ft.
.TUE...E winds 10 to 15 kt. Seas 4 to 5 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.
.THU...SE winds 10 to 15 kt. Seas 5 to 7 ft.
.THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft.

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

.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...E winds 10 to 15 kt. Seas 4 to 6 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 5 to 7 ft.
.THU...E winds 10 to 15 kt. Seas 5 to 7 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A cold front over the NW waters will progress across
the forecast waters. Moderate to fresh winds will prevail on
either side of the front north of 25N, reaching strong speeds E
of the front and N of 29N by Sun. High pressure will build in the
wake of the front. Another weak cold front may enter the NW
waters Tue night with moderate to fresh winds on either side of
the front.

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

.TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...N winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft.
.SUN NIGHT...N winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 4 to 6 ft.
.MON...Variable winds less than 10 kt, becoming SW less than
10 kt in the afternoon. Seas 3 to 5 ft.
.MON NIGHT...S winds 10 to 20 kt. Seas 3 to 4 ft.
.TUE...SW winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft.
.WED...N winds 10 to 15 kt. Seas 4 to 6 ft.
.WED NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft.
.THU...NE winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...NE winds less than 10 kt, shifting to E after
midnight. Seas 3 to 4 ft.

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

.TONIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN...NW winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN NIGHT...NW winds 10 to 20 kt W of 70W, and NW 15 to 20 kt
elsewhere. Seas 5 to 7 ft.
.MON...NW winds less than 10 kt W of 70W, and NW 10 to 20 kt
elsewhere. Seas 6 to 9 ft.
.MON NIGHT...NW winds less than 10 kt, shifting to W after
midnight. Seas 6 to 8 ft.
.TUE...SW winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft.
.WED...W winds 10 to 15 kt. Seas 5 to 7 ft.
.WED NIGHT...NW winds 10 to 15 kt, diminishing to less than
10 kt after midnight. Seas 5 to 7 ft.
.THU...N winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft.

Bahamas N of 22N

.TONIGHT...N winds 10 to 15 kt. Seas 3 ft.
.SUN...N winds 10 to 15 kt. Seas 3 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 ft.
.MON...E winds 10 to 15 kt. Seas 3 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft.
.TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less.
.WED...N winds less than 10 kt. Seas 2 ft or less.
.WED NIGHT...NE winds less than 10 kt. Seas 2 ft or less.
.THU...NE winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 2 ft or less, building to 3 ft in the
afternoon.
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.

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

.TONIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...NW winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft.
.MON...NE winds 10 to 15 kt. Seas 5 to 6 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 6 ft.
.TUE...E winds less than 10 kt. Seas 4 to 6 ft.
.TUE NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft.
.WED...E winds less than 10 kt. Seas 3 to 5 ft.
.WED NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft.
.THU...NE winds less than 10 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.

ATLC waters S of 22N W of 65W

.TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...N winds less than 10 kt. Seas 3 to 5 ft.
.SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft.
.MON...NE winds 10 to 20 kt. Seas 3 to 5 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft.
.TUE...E winds 10 to 20 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, 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.
.THU...NE winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 3 to 5 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.

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

.TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.SUN...SE winds 10 to 15 kt. Seas 5 to 6 ft.
.SUN NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft.
.MON...SE winds less than 10 kt. Seas 4 to 5 ft.
.MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. 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...SE winds 10 to 15 kt. Seas 5 to 6 ft.
.THU...SE winds 10 to 15 kt. Seas 5 to 6 ft.
.THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft.