860
FZNT31 KNHC 210859
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
459 AM EDT Tue May 21 2024

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...Weak high pressure prevails across the Atlantic
along 25N this morning, to the E of 74W. The pressure gradient
between the ridge and lower pressure over northern South America
is supporting fresh to strong E winds in the south-central
Caribbean. A deep layer trough will dig southward across the
western Caribbean today through Wed, then lift out to the NE
through Fri. This feature will support very active weather
across central portions of the basin beginning today, and
gradually shift NE through Fri. Fresh to strong E to SE winds
will develop in the central Caribbean this afternoon, ahead of
the active weather, and shift northeastward through Thu while
diminishing to mostly fresh speeds. Smoke due to agricultural
fires in Central America continues across the Gulf of Honduras,
but continue to thin out.

NW Caribbean W of 85W

.TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.WED...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. 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 5 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.SAT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.

Caribbean N of 15N between 72W and 85W

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

Caribbean from 11N to 15N W of 72W

.TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft.
.TONIGHT...Within 90 nm of coast of Colombia, SE winds less than
10 kt, shifting to E after midnight. Elsewhere, 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 less than 10 kt. Seas 4 to 6 ft.
.THU NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft.
.FRI...E winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft.
.SAT...E winds less than 10 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.

SW Caribbean S of 11N

.TODAY...SW winds less than 10 kt. Seas 3 to 5 ft.
.TONIGHT...SW winds less than 10 kt. Seas 3 to 5 ft.
.WED...Variable winds less than 10 kt, becoming SW less than
10 kt in the afternoon. Seas 3 to 4 ft.
.WED NIGHT...SW winds less than 10 kt in the evening, becoming
variable winds less than 10 kt. Seas 3 to 4 ft.
.THU...Variable winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft.
.FRI...Variable winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...Variable winds less than 10 kt. Seas 3 ft.
.SAT...Variable winds less than 10 kt. Seas 3 ft.
.SAT NIGHT...Variable winds less than 10 kt. Seas 3 ft in the
evening, subsiding to 2 ft or less.

Caribbean between 64W and 72W

.TODAY...Gulf of Venezuela, E winds 15 to 25 kt, diminishing to
10 to 15 kt in the afternoon. Elsewhere, E winds 10 to 20 kt.
Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere.
.TONIGHT...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and
5 to 7 ft elsewhere.
.WED...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and
5 to 7 ft elsewhere.
.WED NIGHT...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela,
and 5 to 7 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...SE winds 10 to 15 kt. Seas 4 to 5 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 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.

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 5 to 7 ft.
.WED...E winds 10 to 20 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 15 kt. Seas 5 to 7 ft.
.FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT 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...E winds 10 to 20 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 15 kt. Seas 5 to 7 ft.
.FRI...E winds 10 to 15 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.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A weak stationary front extends across the northern
waters, from 31N64W to 1009 mb low pressure near 28.5N77W then
continues as a trough across south Florida. Scattered showers
and thunderstorms prevail across the western Atlantic between
the front and 66W, supported by a deep layered upper trough. The
front will move southeastward and stall and weaken from near
31N70W to SE Florida by Wed morning. A trough will develop just
southeast of the weakening front and extend into the central
Bahamas on Wed, then drift eastward through Thu night. Moderate
winds and seas will prevail in the western Atlantic with the
front and trough through midweek. Weak low pressure is expected
to develop just N of Hispaniola Thu night and shift N-NE through
Sat, accompanied by moderate to fresh winds and active weather.

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

.TODAY...NE winds 10 to 15 kt. Seas 5 to 7 ft.
.TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.WED...NE winds 10 kt. Seas 4 to 5 ft.
.WED NIGHT...E winds 10 kt. Seas 4 ft.
.THU...Variable winds less than 10 kt, becoming E 10 kt in the
afternoon. Seas 3 to 4 ft.
.THU NIGHT...E winds 10 kt. Seas 3 to 4 ft.
.FRI...SE winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...SE winds less than 10 kt. Seas 3 ft.
.SAT...SW winds less than 10 kt. Seas 3 ft.
.SAT 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 less than 10 kt. Seas 4 to 5 ft.
.TONIGHT...W of 70W, E winds less than 10 kt. Elsewhere, S winds
less than 10 kt, increasing to 10 to 15 kt after midnight. Seas
4 to 5 ft.
.WED...S winds less than 10 kt. Seas 4 to 5 ft.
.WED NIGHT...SE winds less than 10 kt. Seas 4 ft.
.THU...E winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.
.FRI...E winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...E winds less than 10 kt, shifting to NE in the afternoon.
Seas 4 to 6 ft.
.SAT NIGHT...NE winds 10 to 15 kt, diminishing to less than
10 kt after midnight. Seas 4 to 6 ft.

Bahamas N of 22N

.TODAY...Variable winds less than 10 kt. Seas 2 ft or less.
.TONIGHT...Variable winds less than 10 kt. Seas 2 ft or less.
.WED...Variable winds less than 10 kt, becoming NE less than
10 kt in the afternoon. Seas 2 ft or less.
.WED NIGHT...E winds less than 10 kt. Seas 2 ft or less,
building to 3 ft after midnight.
.THU...NE winds less than 10 kt. Seas 3 ft.
.THU NIGHT...E winds less than 10 kt. Seas 3 ft.
.FRI...NE winds less than 10 kt. Seas 3 ft.
.FRI NIGHT...E winds less than 10 kt. Seas 3 ft.
.SAT...E winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 3 ft.
.SAT NIGHT...E winds less than 10 kt. Seas 3 ft.

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

.TODAY...S winds less than 10 kt W of 70W, and S 10 to 15 kt
elsewhere. Seas 3 to 4 ft.
.TONIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.
.WED...SE winds less than 10 kt. Seas 3 to 4 ft.
.WED NIGHT...SE winds less than 10 kt. Seas 4 to 5 ft.
.THU...SE winds less than 10 kt. Seas 4 to 5 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 15 kt. Seas 5 to 7 ft.
.SAT...NW winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT NIGHT...NW winds less than 10 kt. Seas 4 to 6 ft.

ATLC waters S of 22N W of 65W

.TODAY...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, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft.
.WED NIGHT...SE 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.
.FRI...S winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...S winds 10 to 15 kt, shifting to SW after midnight.
Seas 3 to 5 ft.
.SAT...W winds less than 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.

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

.TODAY...SE winds 10 to 15 kt. Seas 4 to 5 ft.
.TONIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft.
.WED...E winds 10 to 15 kt. Seas 4 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.
.FRI...SE winds 10 to 15 kt. Seas 5 to 6 ft.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft.
.SAT...SE winds 10 to 15 kt. Seas 5 ft.
.SAT NIGHT...SE winds 10 kt. Seas 4 to 5 ft.