896
FZNT31 KNHC 190851
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
451 AM EDT Thu Sep 19 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...A weak pressure gradient across the Caribbean Sea
will support moderate to fresh winds and moderate seas across
the E and central Caribbean, and light to gentle winds and
slight to moderate seas across the NW and SW portions of the
basin through at least Sat. Looking ahead, a broad area of low
pressure could form late this weekend or early next week over
the western and northwestern Caribbean Sea. Thereafter, gradual
development of this system is possible, and a tropical depression
could form as the system moves slowly to the north or northwest
over the northwestern Caribbean Sea and into the southeastern
Gulf of Mexico through the middle part of next week. There is a
medium chance of tropical cyclone formation in the next seven
days.

NW Caribbean W of 85W

.TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft.
.TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft.
.FRI...E 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, increasing to 10 to 15 kt in the
afternoon. Seas 3 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN...E winds less than 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.

Caribbean N of 15N between 72W and 85W

.TODAY...E winds 10 to 15 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.
.TONIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt
elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere.
.FRI...E winds 10 to 15 kt S of 18N, and Variable less than
10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less
elsewhere.
.FRI NIGHT...E winds less than 10 kt. Seas 3 ft.
.SAT...E winds 10 to 15 kt. Seas 3 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft.
.SUN...E winds 10 to 15 kt. Seas 3 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.MON...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...SE 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 15 kt. Seas 3 to 5 ft.
.FRI...E winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...NE winds 10 to 15 kt within 90 nm of coast of
Colombia, and E less than 10 kt elsewhere. Seas 3 to 5 ft.
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.SUN...SE winds less than 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.
.MON...S winds less than 10 kt. Seas 3 ft.
.MON NIGHT...SE winds less than 10 kt. Seas 3 ft.

SW Caribbean S of 11N

.TODAY...Variable winds less than 10 kt. Seas 3 to 4 ft.
.TONIGHT...NW winds less than 10 kt in the evening, becoming
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...SW winds less than 10 kt. Seas 3 to 4 ft.
.SAT...SW winds less than 10 kt. Seas 3 ft.
.SAT NIGHT...Variable winds less than 10 kt, becoming SW less
than 10 kt after midnight. Seas 3 ft.
.SUN...SW winds less than 10 kt. Seas 3 ft.
.SUN NIGHT...S winds less than 10 kt. Seas 3 ft.
.MON...S winds 10 to 15 kt. Seas 3 ft.
.MON NIGHT...S winds less than 10 kt. Seas 2 ft or less.

Caribbean between 64W and 72W

.TODAY...Gulf of Venezuela, E winds 10 to 20 kt, becoming NE
less than 10 kt in the afternoon. Elsewhere, E winds 10 to
15 kt. Seas 3 to 5 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...Gulf of Venezuela, E winds 10 to 15 kt, diminishing to
less than 10 kt in the afternoon. Elsewhere, E winds 10 to
15 kt. Seas 3 to 5 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 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.
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...E winds 10 to 15 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.

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

.TODAY...Variable winds less than 10 kt, becoming SW less than
10 kt in the afternoon. Seas 3 to 5 ft.
.TONIGHT...SW winds less than 10 kt. Seas 3 to 5 ft.
.FRI...SW winds less than 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...SW winds less than 10 kt. Seas 3 to 5 ft.
.SAT...SW winds less than 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...SW winds less than 10 kt in the evening, becoming
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. Seas 3 to 4 ft.
.MON NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.

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

.TODAY...SE winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 3 to 5 ft.
.TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI NIGHT...SE 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.
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.MON...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A well-defined area of low pressure located a few
hundred miles to the NW of the remnants of Gordon near 25N54W
has potential for some additional development as it meanders
over the open waters of the central or western Subtropical
Atlantic though early next week. Regardless of development, the
low will continue to affect the NE offshore waters with fresh to
strong winds and rough seas N of 25N and E of 60W through Fri.
Expect pulsing moderate to fresh trades off the coast of
Hispaniola through Fri. Otherwise, a weak cold front will move
off the SE CONUS tonight and slowly move across the waters N of
25N through Mon. A reinforcing front will enter the NW offshores
waters Mon followed by fresh winds and rough seas.

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

.TODAY...W winds less than 10 kt. Seas 4 to 5 ft.
.TONIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft.
.FRI...NE winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft.
.SAT...NE winds less than 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.
.SUN...NE winds 10 kt. Seas 4 to 6 ft.
.SUN NIGHT...NE winds 10 kt. Seas 4 to 6 ft.
.MON...NE winds 10 kt. Seas 4 to 6 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft.

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

.TODAY...W winds less than 10 kt. Seas 4 to 5 ft.
.TONIGHT...Variable winds less than 10 kt, becoming SW less than
10 kt after midnight. Seas 4 to 5 ft.
.FRI...Variable winds less than 10 kt. Seas 4 to 5 ft.
.FRI NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft.
.SAT...Variable winds less than 10 kt. Seas 4 to 5 ft.
.SAT NIGHT...Variable winds less than 10 kt, becoming NW less
than 10 kt after midnight. Seas 4 to 6 ft.
.SUN...N winds less than 10 kt. Seas 4 to 6 ft.
.SUN NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft.
.MON...N winds 10 to 15 kt. Seas 6 to 9 ft.
.MON NIGHT...NW winds 10 to 15 kt. Seas 7 to 10 ft.

Bahamas N of 22N

.TODAY...SE winds less than 10 kt. Seas 3 to 4 ft in the
morning, subsiding to 2 ft or less.
.TONIGHT...Variable winds less than 10 kt, becoming SE less than
10 kt after midnight. Seas 2 ft or less, building to 3 ft after
midnight.
.FRI...S winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...Variable winds less than 10 kt, becoming SE less
than 10 kt after midnight. Seas 2 ft or less.
.SAT...S winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 2 ft or less.
.SAT NIGHT...Variable winds less than 10 kt. Seas 2 ft or less.
.SUN...Variable winds less than 10 kt. Seas 2 ft or less.
.SUN NIGHT...NE winds less than 10 kt. Seas 2 ft or less.
.MON...NE winds less than 10 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

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

.TODAY...E winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 4 to 5 ft.
.TONIGHT...E winds less than 10 kt. Seas 4 to 5 ft.
.FRI...E winds less than 10 kt. Seas 4 to 5 ft.
.FRI NIGHT...E winds less than 10 kt. Seas 4 to 5 ft.
.SAT...E winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 4 to 5 ft.
.SAT NIGHT...Variable winds less than 10 kt. Seas 4 ft.
.SUN...Variable winds less than 10 kt, becoming W less than
10 kt in the afternoon. Seas 3 to 4 ft.
.SUN NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft.
.MON...NW winds less than 10 kt. Seas 4 to 5 ft.
.MON NIGHT...NW winds less than 10 kt. Seas 4 to 6 ft.

ATLC waters S of 22N W of 65W

.TODAY...E winds less than 10 kt. Seas 3 to 5 ft.
.TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft.
.FRI...E winds less than 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.
.SAT...SE winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...E winds less than 10 kt. Seas 3 to 4 ft.
.SUN...Variable winds less than 10 kt. Seas 3 to 4 ft.
.SUN NIGHT...Variable winds less than 10 kt. Seas 3 ft.
.MON...Variable winds less than 10 kt. Seas 3 ft.
.MON NIGHT...Variable winds less than 10 kt. Seas 3 ft.

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

.TODAY...NW winds less than 10 kt. Seas 5 to 7 ft.
.TONIGHT...NW winds less than 10 kt. Seas 5 to 7 ft.
.FRI...W winds less than 10 kt. Seas 5 to 6 ft.
.FRI NIGHT...W winds less than 10 kt. Seas 5 to 6 ft.
.SAT...W winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 5 ft.
.SAT NIGHT...W winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 4 to 5 ft.
.SUN...W winds less than 10 kt. Seas 4 to 5 ft.
.SUN NIGHT...W winds less than 10 kt. Seas 4 to 5 ft.
.MON...Variable winds less than 10 kt. Seas 4 ft.
.MON NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft.