495
FZNT31 KNHC 011412
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1012 AM EDT Tue Jul 1 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...Gale-force winds offshore of Colombia are ending
this morning. However, winds will pulse again to near gale-force
tonight into Wed morning. The pressure gradient between the
Bermuda High and lower pressure across NW Colombia and the SW
Caribbean will support fresh to strong trades and rough seas
across most of the central and SW Caribbean through Wed, then
diminish N of 15N into the weekend.

NW Caribbean W of 85W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...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 4 ft.
.FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

Caribbean N of 15N between 72W and 85W

.THIS AFTERNOON...E winds 15 to 25 kt S of 18N, and E 10 to
15 kt elsewhere. Seas 7 to 10 ft S of 18N, and 3 to 5 ft
elsewhere.
.TONIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds
10 to 15 kt, diminishing to less than 10 kt after midnight. Seas
7 to 10 ft S of 18N, and 3 to 5 ft elsewhere.
.WED...E winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 3 to
5 ft elsewhere.
.WED NIGHT...E winds 10 to 20 kt S of 18N, and E less than 10 kt
elsewhere. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere.
.THU...E winds 10 to 20 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...E winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.

Caribbean from 11N to 15N W of 72W

.THIS AFTERNOON...E winds 20 to 30 kt. Seas 8 to 13 ft.
.TONIGHT...E winds 20 to 30 kt within 90 nm of coast of
Colombia, and E 15 to 25 kt elsewhere. Seas 8 to 13 ft.
.WED...E winds 15 to 25 kt. Seas 8 to 12 ft.
.WED NIGHT...E winds 15 to 25 kt within 90 nm of coast of
Colombia, and E 10 to 20 kt elsewhere. Seas 7 to 9 ft within
90 nm of coast of Colombia, and 8 to 11 ft elsewhere.
.THU...E winds 10 to 20 kt. Seas 6 to 9 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI...E winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.SAT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.

SW Caribbean S of 11N

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 7 to 10 ft.
.TONIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft.
.WED...E winds 10 to 15 kt. Seas 6 to 9 ft.
.WED NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 6 to 9 ft.
.THU...NE winds less than 10 kt. Seas 5 to 7 ft.
.THU NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft.
.FRI...SE winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 4 to 6 ft.
.FRI NIGHT...Variable winds less than 10 kt. Seas 4 to 6 ft.
.SAT...Variable winds less than 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft.

Caribbean between 64W and 72W

.THIS AFTERNOON...E winds 20 to 25 kt Gulf of Venezuela, and E
10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and
6 to 9 ft elsewhere.
.TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 9 ft
elsewhere.
.WED...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela,
and 6 to 9 ft elsewhere.
.WED NIGHT...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 5 to 7 ft
elsewhere.
.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.
.FRI...E winds 10 to 20 kt. Seas 5 to 7 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.WED...E winds 10 to 15 kt. Seas 4 to 6 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 4 to 5 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.
.FRI...E winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

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

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

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...The Bermuda High is expected to maintain a ridge W
to E along about 30N through Wed, then begin to drift eastward
and weaken modestly through late week. Moderate to fresh E to SE
winds and moderate seas will prevail S of 25N through Thu. Fresh
to locally strong E winds will pulse from late afternoon into the
overnight hours N of Hispaniola until the end of the week.
Gentle to moderate winds and slight to moderate seas are expected
elsewhere. A weak cold front is forecast to move off the SE U.S.
coast and into the NW zones early Fri, then stall there through
Sat. Low pressure may form along the front during this time.

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

.THIS AFTERNOON...S winds 10 kt. Seas 3 to 4 ft.
.TONIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.WED...S winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft.
.THU...SW winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...S winds less than 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.
.SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.

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

.THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 4 ft.
.TONIGHT...S winds 10 to 15 kt W of 70W, and SE less than 10 kt
elsewhere. Seas 3 to 4 ft.
.WED...S winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...S winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...S winds 10 kt. Seas 4 to 5 ft.
.FRI NIGHT...S winds less than 10 kt. Seas 3 to 5 ft.
.SAT...S winds less than 10 kt. Seas 3 to 4 ft.
.SAT NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft.

Bahamas N of 22N

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.TONIGHT...SE 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, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft.
.THU NIGHT...SE winds less than 10 kt. Seas 3 ft.
.FRI...SE winds less than 10 kt. Seas 3 ft.
.FRI NIGHT...SE winds less than 10 kt. Seas 2 ft or less.
.SAT...S winds less than 10 kt. Seas 2 ft or less.
.SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less.

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TONIGHT...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...SE 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 kt. Seas 4 to 5 ft.
.FRI...SE winds 10 kt. Seas 4 to 5 ft.
.FRI NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.
.SAT...SE winds 10 kt. Seas 3 to 4 ft.
.SAT NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.

ATLC waters S of 22N W of 65W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TONIGHT...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 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.
.FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

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

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 6 to 7 ft.
.TONIGHT...E winds 15 kt. Seas 6 to 7 ft.
.WED...E winds 10 to 15 kt. Seas 6 to 7 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 4 to 6 ft.
.FRI...E winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds 10 kt. Seas 4 to 5 ft.
.SAT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.