424
FZNT31 KNHC 060258
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1058 PM EDT Sat Jul 5 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 pulsing fresh to
strong trades and rough seas across the south-central Caribbean
through the forecast period. Moderate to fresh winds and
moderate seas are expected in the eastern Caribbean while gentle
to moderate winds and slight to moderate seas will prevail
elsewhere, with the exception of moderate to fresh E winds in
the Gulf of Honduras tonight through Tue night.

NW Caribbean W of 85W

.OVERNIGHT...E winds 10 to 15 kt. Seas 3 ft.
.SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.MON...E winds 10 to 20 kt. Seas 3 to 5 ft.
.MON NIGHT...E 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 3 to 4 ft.
.WED...E winds less than 10 kt. Seas 3 to 4 ft.
.WED NIGHT...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.

Caribbean N of 15N between 72W and 85W

.OVERNIGHT...E winds 10 to 20 kt S of 18N, and E less than 10 kt
elsewhere. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere.
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 ft
elsewhere.
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and
3 to 4 ft elsewhere.
.MON...E winds 10 to 20 kt. Seas 3 to 5 ft.
.MON NIGHT...E 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 20 kt. Seas 4 to 6 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 6 ft.

Caribbean from 11N to 15N W of 72W

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

SW Caribbean S of 11N

.OVERNIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft.
.SUN...NE winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft.
.MON...E winds less than 10 kt. Seas 4 to 6 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE...NE 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 5 to 7 ft.
.WED NIGHT...NW winds less than 10 kt. Seas 5 to 7 ft.
.THU...W winds less than 10 kt. Seas 4 to 6 ft.
.THU NIGHT...N winds less than 10 kt. Seas 4 to 6 ft.

Caribbean between 64W and 72W

.OVERNIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 4 to 6 ft.
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 4 to 6 ft.
.MON...E winds 15 to 20 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 4 to 6 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 5 to 7 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.THU...E winds 10 to 20 kt. Seas 5 to 7 ft.
.THU 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

.OVERNIGHT...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 10 to 15 kt. Seas 3 to 5 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. Seas 4 to 6 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU...E winds 10 to 15 kt. Seas 4 to 5 ft.
.THU 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

.OVERNIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...E winds 10 to 15 kt, shifting to NE in the afternoon.
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 10 to 15 kt. Seas 3 to 5 ft.
.TUE...E winds 10 to 15 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 3 to 5 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...As Tropical Storm Chantal continues to move away
from the forecast area, the Atlantic ridge will build westward
toward Florida and the Bahamas. This pattern will support
generally gentle to moderate winds, except for moderate to fresh
winds off the northern coast of Hispaniola through Mon, then
fresh to strong winds are expected afterwards.

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

.OVERNIGHT...S winds 10 to 20 kt. Seas 6 to 8 ft.
.SUN...SW winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.
.MON...SW winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft.
.MON NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft.
.TUE...S winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft.
.WED...S winds 10 to 15 kt. Seas 3 ft.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.THU...S winds 10 to 15 kt. Seas 3 to 4 ft.
.THU NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.

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

.OVERNIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft.
.SUN NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft.
.MON...SE winds less than 10 kt W of 70W, and SE 10 to 15 kt
elsewhere. Seas 3 to 4 ft.
.MON NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.
.TUE...SE winds less than 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...SE winds 10 kt. Seas 3 to 4 ft.
.WED...S winds 10 kt. Seas 3 to 4 ft.
.WED NIGHT...S winds less than 10 kt. Seas 3 to 4 ft.
.THU...S winds 10 kt. Seas 3 to 4 ft.
.THU NIGHT...S winds 10 kt. Seas 3 to 4 ft.

Bahamas N of 22N

.OVERNIGHT...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...E winds less than 10 kt, shifting to SE after
midnight. Seas 2 ft or less.
.MON...E winds 10 to 15 kt. Seas 2 ft or less.
.MON NIGHT...E winds 10 to 15 kt. Seas 2 ft or less.
.TUE...E winds 10 to 15 kt. Seas 3 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.WED...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.THU...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

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

.OVERNIGHT...SE winds 10 kt. Seas 3 to 4 ft.
.SUN...SE winds 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.MON...E winds 10 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.WED...SE 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 4 to 6 ft.
.THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft.

ATLC waters S of 22N W of 65W

.OVERNIGHT...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 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 20 kt. Seas 5 to 7 ft.
.WED...E winds 10 to 20 kt. Seas 5 to 7 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.THU...E winds 10 to 20 kt. Seas 5 to 7 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

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

.OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN...E winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.MON...E winds 10 to 15 kt. Seas 5 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 to 6 ft.
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.