000
FZNT31 KNHC 182119
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
419 PM EST Wed Dec 18 2019

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...High pressure north of the region will maintain
fresh to strong trade winds and building seas from the tropical
north Atlantic westward, to the south central Caribbean through
Sat. A strong cold front will move into the Yucatan Channel this
afternoon with gale force northerly winds immediately behind it
through the Yucatan Channel through this evening. The front will
stall and weaken from central Cuba to Honduras by Thursday
night. Fresh to strong northerly winds will accompany the front
across the NW Caribbean Sea. 

NW Caribbean W of 85W

...GALE WARNING N OF 18N...

.TONIGHT...N winds 20 to 30 kt, except 25 to 35 kt N of 18N. 
Seas 8 to 11 ft, except 9 to 13 ft N of 18N.
.THU...N winds 15 to 25 kt. Seas 7 to 10 ft. 
.THU NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. 
.FRI...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. 
.SAT...SE winds less than 10 kt. Seas 4 to 6 ft. 
.SAT NIGHT...S winds less than 10 kt, shifting to NW after
midnight. Seas 3 to 5 ft. 
.SUN...NW winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...NW winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. 

Caribbean N of 15N between 72W and 85W

.TONIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, NE winds
less than 10 kt, increasing to 10 to 15 kt after midnight. Seas
5 to 7 ft. 
.THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to
15 kt, diminishing to less than 10 kt in the afternoon. Seas
6 to 9 ft S of 18N, and 3 to 5 ft elsewhere.
.FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 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. 
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. 

Caribbean from 11N to 15N W of 72W

.TONIGHT...E winds 15 to 25 kt within 90 nm of coast of
Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. 
.THU...E winds 15 to 25 kt within 90 nm of coast of Colombia,
and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. 
.THU NIGHT...E winds 20 to 25 kt within 90 nm of coast of
Colombia, and NE 10 to 20 kt elsewhere. Seas 7 to 10 ft. 
.FRI...E winds 15 to 25 kt within 90 nm of coast of Colombia,
and E 10 to 20 kt elsewhere. Seas 7 to 10 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. 
.SAT...NE winds 15 to 25 kt. Seas 7 to 10 ft. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SUN...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. 

SW Caribbean S of 11N

.TONIGHT...N winds less than 10 kt. Seas 4 to 6 ft. 
.THU...N winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI...NE winds 10 to 15 kt. Seas 6 to 9 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.SAT...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.SAT NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. 
.SUN...NE winds 10 to 15 kt. Seas 7 to 10 ft. 
.SUN NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. 
.MON...NE winds 10 to 15 kt, shifting to N in the afternoon.
Seas 5 to 7 ft. 
.MON NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. 

Caribbean between 64W and 72W

.TONIGHT...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 7 to 9 ft
elsewhere. 
.THU...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 6 to 9 ft
elsewhere. 
.THU NIGHT...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. 
.FRI...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 6 to 9 ft
elsewhere. 
.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 6 to 8 ft. 
.SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.MON...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 

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

.TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.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 15 kt. Seas 6 to 8 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.SAT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 

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

.TONIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.THU...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 7 to 10 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 15 kt. Seas 6 to 8 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.SUN...E winds 10 to 15 kt. Seas 6 to 9 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...A strong cold front extending from near 31N74W to
the NW Bahamas and to west-central Cuba will each from near 
31N69W to eastern Cuba tonight, from near 31N64W to eastern Cuba 
early Thu and from near 26N65W to across the southeastern Bahamas
and to near he Windward Passage on Thu night. Strong northerly 
winds and building seas are expected across much of the forecast 
waters following the frontal passage. The front will stall 
gradually, and weaken through Fri night. It is possible that 
fresh to strong easterly winds may develop to the east of Florida
during the upcoming weekend. A low pressure center is forecast 
to develop in the eastern Gulf of Mexico, and move across 
northern Florida Sun into Mon.

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

...GALE CONDITIONS POSSIBLE SUN NIGHT...

.TONIGHT...N winds 20 to 25 kt. Seas 7 to 10 ft. 
.THU...NE winds 15 to 25 kt. Seas 8 to 11 ft. 
.THU NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. 
.FRI...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.FRI NIGHT...E winds 20 to 25 kt. Seas 7 to 10 ft. 
.SAT...E winds 15 to 20 kt. Seas 7 to 10 ft. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SUN...SE winds 20 to 30 kt. Seas 10 to 14 ft. 
.SUN NIGHT...SE winds 30 to 35 kt, becoming SW 20 to 25 kt late. 
Seas 11 to 17 ft. 
.MON...SW winds 15 to 25 kt. Seas 9 to 14 ft. 
.MON NIGHT...W winds 15 to 25 kt. Seas 9 to 11 ft. 

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

...GALE CONDITIONS POSSIBLE W OF 75W SUN NIGHT AND N OF 29N
MON...

.TONIGHT...N winds 15 to 25 kt W of 70W, and SW 10 to 20 kt
elsewhere. Seas 7 to 10 ft. 
.THU...N winds 15 to 25 kt. Seas 8 to 11 ft. 
.THU NIGHT...NE winds 15 to 25 kt. Seas 9 to 11 ft. 
.FRI...NE winds 15 to 25 kt. Seas 8 to 11 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. 
.SAT...NE winds 15 to 20 kt. Seas 8 to 11 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.SUN...E winds 15 to 25 kt. Seas 8 to 11 ft. 
.SUN NIGHT...SE winds 20 to 30 kt, except 30 to 35 kt W of 75W. 
Seas 9 to 14 ft.
.MON...S to SW winds 20 to 30 kt, except 30 to 35 kt N of 29N. 
Seas 9 to 13 ft in E swell, except 10 to 16 ft N of 29N.
.MON NIGHT...SW winds 15 to 25 kt. Seas 10 to 13 ft. 

Bahamas N of 22N

.TONIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. 
.THU...NE winds 15 to 25 kt. Seas 5 to 7 ft. 
.THU NIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft. 
.FRI...E winds 15 to 25 kt. Seas 6 to 8 ft. 
.FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. 
.SAT...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN...SE winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...SW winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...W winds 15 to 25 kt. Seas 4 to 6 ft. 

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

.TONIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft. 
.THU...NE winds 15 to 25 kt W of 70W, and S 10 to 15 kt
elsewhere. Seas 8 to 11 ft W of 70W, and 5 to 7 ft elsewhere. 
.THU NIGHT...E winds 15 to 25 kt W of 70W, and E 10 to 20 kt
elsewhere. Seas 7 to 10 ft. 
.FRI...NE winds 15 to 25 kt W of 70W, and E 10 to 20 kt
elsewhere. Seas 8 to 11 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 8 to 12 ft. 
.SAT...NE winds 15 to 25 kt. Seas 10 to 13 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 10 to 12 ft.
.SUN...E winds 15 to 25 kt. Seas 9 to 11 ft. 
.SUN NIGHT...SE winds 15 to 25 kt. Seas 8 to 11 ft. 
.MON...S winds 15 to 25 kt. Seas 8 to 11 ft. 
.MON NIGHT...S winds 10 to 20 kt. Seas 7 to 10 ft. 

ATLC waters S of 22N W of 65W

.TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.SAT...E winds 10 to 15 kt. Seas 6 to 9 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. 
.SUN...E winds 10 to 15 kt. Seas 6 to 9 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.MON...SE winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. 

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

.TONIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft. 
.THU...SE winds 10 to 20 kt. Seas 6 to 9 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.FRI...E winds 10 to 15 kt. Seas 6 to 7 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. 
.SAT...E winds 10 kt. Seas 6 to 9 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 8 to 9 ft. 
.SUN...E winds 10 kt. Seas 8 to 9 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 8 to 9 ft. 
.MON...E winds 10 to 15 kt. Seas 8 to 9 ft. 
.MON NIGHT...SE winds 10 to 20 kt. Seas 8 to 10 ft.