364
FZNT31 KNHC 200258
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1058 PM EDT Sat Apr 19 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...Strong high pressure north of the basin will support
fresh to strong NE winds across the central and western
Caribbean through Mon night before diminishing through the
middle of next week. Near- gale force winds will pulse off
Colombia during the overnight hours, accompanied by rough seas.
Large northerly swell will impact the Mona and Anegada passages,
before gradually subside through the middle of next week.

NW Caribbean W of 85W

.OVERNIGHT...E winds 10 to 20 kt. Seas 5 to 7 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 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.
.THU...E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

Caribbean N of 15N between 72W and 85W

.OVERNIGHT...E winds 10 to 20 kt S of 18N, and E 15 to 25 kt
elsewhere. 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 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 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 3 to 5 ft.
.THU...E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

Caribbean from 11N to 15N W of 72W

.OVERNIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft.
.SUN...E winds 20 to 25 kt within 90 nm of coast of Colombia,
and E 10 to 20 kt elsewhere. Seas 7 to 10 ft.
.SUN NIGHT...E winds 15 to 25 kt within 90 nm of coast of
Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft.
.MON...E winds 10 to 20 kt. Seas 6 to 9 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.TUE...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft.
.WED...E winds 10 to 15 kt. Seas 5 to 7 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU...E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft.

SW Caribbean S of 11N

.OVERNIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.SUN...NE winds 10 to 20 kt. Seas 7 to 10 ft.
.SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.MON...NE winds 10 to 15 kt. Seas 6 to 8 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.TUE...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft.
.WED...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.WED NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft.
.THU...NE winds less than 10 kt. Seas 3 to 5 ft.
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.

Caribbean between 64W and 72W

.OVERNIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.SUN NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.MON...NE winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela,
and 5 to 7 ft elsewhere.
.MON NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT...NE 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 less than 10 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 ft.

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

.OVERNIGHT...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 less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 4 to 6 ft.
.MON...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds less than 10 kt. Seas 5 to 7 ft.
.TUE...E winds less than 10 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.
.WED...SE winds less than 10 kt. Seas 4 to 6 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 15 kt. Seas 4 to 6 ft.

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

.OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.MON...SE winds less than 10 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.
.TUE...SE winds less than 10 kt. Seas 4 to 6 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 4 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 6 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A surface trough extends from near 31N55W to the
Virgin Islands. The pressure gradient between this trough and
high pressure centered NW of Bermuda will support fresh to
strong NE winds and rough seas into Mon for Atlantic waters E of
70W, as well as S of 25W, including the the Bahamas and Greater
Antilles. The trough will weaken by Tue, leading to improving
conditions into the middle of next week.

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

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

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

.OVERNIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.SUN...W of 70W, E winds 10 to 15 kt, diminishing to less than
10 kt in the afternoon. Elsewhere, NE winds 10 to 15 kt. Seas
5 to 7 ft.
.SUN NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.
.MON...NE winds 10 to 15 kt W of 70W, and NE 15 to 20 kt
elsewhere. Seas 4 to 6 ft W of 70W, and 6 to 9 ft elsewhere.
.MON NIGHT...NE winds 10 to 20 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.
.WED...E winds 10 to 15 kt. Seas 5 to 7 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 20 kt. Seas 5 to 7 ft.

Bahamas N of 22N

.OVERNIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft.
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 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 3 to 5 ft.
.TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.THU...E winds 10 to 20 kt. Seas 3 to 5 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.

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

.OVERNIGHT...NE winds 15 to 20 kt. Seas 8 to 10 ft.
.SUN...NE winds 10 to 20 kt. Seas 7 to 9 ft.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 7 to 9 ft.
.MON...NE winds 10 to 20 kt W of 70W, and NE 15 to 20 kt
elsewhere. Seas 7 to 10 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 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 6 to 8 ft.
.WED NIGHT...NE winds 10 to 20 kt. Seas 6 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 S of 22N W of 65W

.OVERNIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft.
.SUN...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.MON...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE...NE winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.WED...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

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

.OVERNIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft.
.SUN...E winds 10 to 15 kt. Seas 6 to 8 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft.
.MON...NE winds 10 to 15 kt. Seas 6 to 8 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 6 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.
.WED...SE 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 5 to 6 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.