936
FZNT31 KNHC 050917
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
517 AM 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 Wed night.

NW Caribbean W of 85W

.TODAY...SE winds less than 10 kt. Seas 3 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 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.

Caribbean N of 15N between 72W and 85W

.TODAY...E winds 10 to 20 kt S of 18N, and SE less than 10 kt
elsewhere. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere.
.TONIGHT...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 3 ft elsewhere.
.SUN...E winds 10 to 20 kt. Seas 5 to 7 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 5 ft elsewhere.
.MON...E winds 10 to 20 kt. Seas 4 to 6 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 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.

Caribbean from 11N to 15N W of 72W

.TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft.
.TONIGHT...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 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 10 to 20 kt. Seas 5 to 7 ft.
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.TUE...E winds 10 to 20 kt. Seas 6 to 9 ft.
.TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft.
.WED...E winds 10 to 20 kt. Seas 6 to 9 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.

SW Caribbean S of 11N

.TODAY...SE winds less than 10 kt. Seas 3 to 5 ft.
.TONIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft.
.SUN...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...Variable winds less than 10 kt, becoming SE less than
10 kt in the afternoon. Seas 4 to 6 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE...NE winds 10 to 15 kt. Seas 6 to 8 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...N winds less than 10 kt. Seas 5 to 7 ft.

Caribbean between 64W and 72W

.TODAY...Gulf of Venezuela, E winds 10 to 20 kt, diminishing to
less than 10 kt in the afternoon. Elsewhere, E winds 10 to
20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft
elsewhere.
.TONIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft
elsewhere.
.SUN...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt
elsewhere. 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 10 to 20 kt. Seas 4 to 6 ft.
.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.

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

.TODAY...E winds 10 to 15 kt. Seas 4 to 6 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 4 to 5 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

.TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TONIGHT...NE 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 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.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Tropical Depression Three is near 30.8N 78.6W at
5 AM EDT, and is moving north-northeast at 2 kt. Maximum
sustained winds are 30 kt with gusts to 40 kt, and the minimum
central pressure is 1010 mb. Three will strengthen to a tropical
storm near 31.5N 78.8W this afternoon, move to 32.6N 79.2W Sun
morning, inland to 33.7N 79.4W Sun afternoon, move inland and
weaken to a tropical depression near 34.8N 78.8W Mon morning,
inland to 36.3N 77.1W Mon afternoon, and dissipate Tue morning.
The main impacts of T.D. Three will remain north of the forecast
area. High pressure will prevail elsewhere. This pattern will
support generally gentle to moderate winds except for moderate to
fresh winds off the northern coast of Hispaniola through Mon.

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

.TODAY...SW winds 15 to 25 kt. Seas 7 to 10 ft.
.TONIGHT...S winds 10 to 20 kt. Seas 7 to 10 ft.
.SUN...SW winds 10 to 20 kt. Seas 7 to 10 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 6 to 9 ft, subsiding to
3 to 5 ft after midnight.
.MON...SW winds 10 to 15 kt. 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...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.WED...SW winds 10 to 15 kt. Seas 3 ft.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.

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

.TODAY...S winds 10 to 20 kt. Seas 7 to 10 ft W of 70W, and 3 to
5 ft elsewhere.
.TONIGHT...S winds 10 to 15 kt W of 70W, and SE less than 10 kt
elsewhere. Seas 7 to 10 ft W of 70W, and 3 to 4 ft elsewhere.
.SUN...S winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 6 to 9 ft W of 70W, and 3 to 4 ft elsewhere.
.SUN NIGHT...SE winds less than 10 kt. W of 70W, seas 6 to 9 ft,
subsiding to 3 to 5 ft after midnight. Elsewhere, seas 3 ft.
.MON...SE winds less than 10 kt. Seas 3 to 4 ft.
.MON NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.
.TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...S winds less than 10 kt. Seas 3 to 4 ft.
.WED...S winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft.

Bahamas N of 22N

.TODAY...S winds less than 10 kt. Seas 3 ft in the morning,
subsiding to 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...E winds 10 to 15 kt. 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 ft.
.WED...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

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

.TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...SE winds 10 kt. Seas 3 to 5 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 4 ft.
.TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 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.

ATLC waters S of 22N W of 65W

.TODAY...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 10 to 20 kt. Seas 3 to 5 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.

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

.TODAY...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 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.