000
FZNT31 KNHC 202008
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
408 PM EDT Wed Mar 20 2024

Marine Weather HF Voice Broadcast for the Tropical N Atlantic
from 07N to 22N between 55W and 64W, the SW N Atlantic S of
31N W of 65W including 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 between 55W and 64W

.SYNOPSIS...Fresh to strong northeast to east winds will
continue near the coast of Colombia through Sat night, then
diminish to moderate to fresh Sun and Sun night. Moderate to
fresh trades are expected elsewhere over the east and central
Caribbean while gentle to moderate winds will prevail over the
NW Caribbean. By early Fri morning, the forecast calls for fresh
to strong SE to S winds across the NW Caribbean and in the
Yucatan Channel as a low pressure and attendant cold front move
across the Gulf of Mexico. This front will likely reach the
Yucatan Channel and the far NW Caribbean on Sat afternoon. 

NW Caribbean W of 85W

.TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. 
.THU...E winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI...SE winds 15 to 25 kt. Seas 4 to 6 ft. 
.FRI NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT...SW winds 10 to 20 kt, shifting to NW 10 to 15 kt in the
afternoon. Seas 5 to 7 ft. 
.SAT NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 15 kt. 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 5 to 7 ft. 

Caribbean N of 15N between 72W and 85W

.TONIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, E winds
less than 10 kt, shifting to NE after midnight. 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. 
.FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN...S winds 10 to 15 kt, shifting to SE in the afternoon.
Seas 4 to 6 ft. 
.SUN NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.
.MON...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 

Caribbean from 11N to 15N W of 72W

.TONIGHT...NE winds 15 to 20 kt within 90 nm of coast of
Colombia, and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft. 
.THU...E winds 15 to 20 kt within 90 nm of coast of Colombia,
and NE 10 to 20 kt elsewhere. Seas 4 to 6 ft. 
.THU NIGHT...E winds 15 to 25 kt within 90 nm of coast of
Colombia, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. 
.FRI...E winds 15 to 25 kt within 90 nm of coast of Colombia,
and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft. 
.SUN NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.
.MON...E winds less than 10 kt. Seas 3 to 4 ft. 
.MON NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. 

SW Caribbean S of 11N

.TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI NIGHT...NE winds 10 to 15 kt, diminishing to less than
10 kt after midnight. Seas 5 to 7 ft. 
.SAT...N winds less than 10 kt. Seas 4 to 6 ft. 
.SAT NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. 
.SUN...Variable winds less than 10 kt, becoming NW less than
10 kt in the afternoon. Seas 3 to 5 ft. 
.SUN NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. 
.MON...E winds less than 10 kt in the morning, becoming variable
winds less than 10 kt. Seas 3 ft. 
.MON NIGHT...Variable winds less than 10 kt. Seas 3 ft in the
evening, subsiding to 2 ft or less. 

Caribbean between 64W and 72W

.TONIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 4 to 6 ft. 
.THU...NE winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt
elsewhere. Seas 3 to 5 ft. 
.THU NIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to
15 kt elsewhere. Seas 3 to 5 ft. 
.FRI...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 20 kt
elsewhere. 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 5 to 6 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. 
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. 

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

.TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. 
.THU...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft. 
.THU NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. 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 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 5 to 7 ft. 
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON 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

.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. 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 20 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A cold front extending from 31N54W to eastern Cuba 
will reach from near 31N52W to northern Hispaniola this evening,
with a weak low pressure forming along the northern end of the 
front. The weak low will be near 30N55W by Thu morning, with the
trailing cold front extending to Hispaniola. By Fri morning, the
northern part of the front will shift E of the area, while the 
southern part will remain nearly stationary along the northern 
coast of Hispaniola. The front will dissipate E of the area on
Sat. High pressure in the wake of the front will quickly move 
eastward through Fri night, allowing for fresh to strong
southerly winds to develop E of Florida as a low pressure tracks
northeastward from the Gulf of Mexico to inland the southeastern
U.S. Fri night and Sat. These winds will expand in coverage
ahead of a cold front that will trail from the low over the 
western waters, reaching from near 31N72W to eastern Cuba by late
Sun. Gale conditions will be possible over most of the northern 
and central zones with the southerly winds Fri and Sat. Strong to
near gale northwest to north winds and rough seas will follow in
behind the front. 

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

...GALE CONDITIONS POSSIBLE FRI NIGHT...

.TONIGHT...SW winds less than 10 kt. Seas 3 to 4 ft.
.THU...Variable winds less than 10 kt, becoming SE less than
10 kt in the afternoon. Seas 3 ft. 
.THU NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less, building to 3 ft after
midnight. 
.FRI...SE winds 15 to 20 kt, increasing to 20 to 30 kt in the
afternoon. Seas 3 to 5 ft, building to 6 to 8 ft in the
afternoon. 
.FRI NIGHT...S winds 20 to 30 kt. Seas 8 to 13 ft. 
.SAT...SW winds 20 to 30 kt, becoming W 10 to 20 kt in the
afternoon. Seas 8 to 13 ft. 
.SAT NIGHT...NW winds less than 10 kt, shifting to N after
midnight. Seas 8 to 11 ft. 
.SUN...NE winds 15 to 25 kt. Seas 8 to 11 ft. 
.SUN NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft, building to
9 to 14 ft after midnight. 
.MON...E winds 10 to 20 kt. Seas 10 to 14 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 9 to 12 ft. 

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

...GALE CONDITIONS POSSIBLE SAT AND SAT NIGHT...

.TONIGHT...NW winds less than 10 kt. Seas 5 to 7 ft.
.THU...NE winds less than 10 kt. Seas 4 to 6 ft. 
.THU NIGHT...W of 70W, SE winds less than 10 kt, shifting to E
after midnight. Elsewhere, NE winds less than 10 kt. Seas 3 to
5 ft. 
.FRI...SE winds 15 to 25 kt W of 70W, and E 10 to 20 kt
elsewhere. Seas 4 to 6 ft. 
.FRI NIGHT...SE winds 20 to 30 kt. Seas 7 to 10 ft. 
.SAT...SE winds 20 to 30 kt. Seas 9 to 14 ft. 
.SAT NIGHT...S winds 20 to 30 kt. Seas 9 to 14 ft.
.SUN...SW winds 20 to 30 kt, shifting to N 15 to 25 kt in the
afternoon. Seas 9 to 14 ft. 
.SUN NIGHT...N winds 10 to 20 kt. Seas 9 to 14 ft. 
.MON...N winds 10 to 20 kt. Seas 11 to 16 ft. 
.MON NIGHT...NW winds 10 to 20 kt. Seas 12 to 17 ft. 

Bahamas N of 22N

.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU...E winds less than 10 kt. Seas 3 to 4 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI NIGHT...SE winds 15 to 25 kt. Seas 4 to 6 ft. 
.SAT...S winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...NW winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 

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

.TONIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 6 to 8 ft. 
.THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI...E winds 15 to 20 kt. Seas 6 to 8 ft. 
.FRI NIGHT...E winds 20 to 25 kt. Seas 7 to 9 ft. 
.SAT...SE winds 15 to 25 kt. Seas 8 to 10 ft. 
.SAT NIGHT...S winds 15 to 25 kt. Seas 8 to 11 ft.
.SUN...SW winds 15 to 25 kt. Seas 8 to 11 ft. 
.SUN NIGHT...NW winds 10 to 15 kt. Seas 8 to 11 ft. 
.MON...N winds 10 to 15 kt. Seas 7 to 10 ft. 
.MON NIGHT...N winds 10 to 15 kt. Seas 8 to 11 ft. 

ATLC waters S of 22N W of 65W

.TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...NE winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 3 to 5 ft. 
.THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT...SE winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN...S winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN NIGHT...SE winds 10 to 15 kt, diminishing to less than
10 kt after midnight. Seas 5 to 7 ft. 
.MON...S winds less than 10 kt, shifting to N in the afternoon.
Seas 4 to 6 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 

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

.TONIGHT...E winds less than 10 kt. Seas 4 to 5 ft. 
.THU...SE winds less than 10 kt. Seas 4 to 6 ft. 
.THU NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. 
.FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.SAT...E winds 15 to 20 kt. Seas 6 to 8 ft. 
.SAT NIGHT...E winds 15 to 20 kt. Seas 7 to 8 ft. 
.SUN...E winds 15 to 20 kt. Seas 7 to 8 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. 
.MON...E winds 10 to 15 kt. Seas 6 to 7 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft.