000
FZNT31 KNHC 171506
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1006 AM EST Thu Jan 17 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 ATLC from 07N to 19N
between 55W and 64W

.SYNOPSIS...Fresh to strong trade winds will continue over the
south-central Caribbean through Mon night. Winds along the
immediate coast of Colombia will reach gale force at night.
Moderate to locally fresh trades will prevail elsewhere. A
strong cold front will cross the NW Caribbean Sun and Mon, then
stall and weaken. The front will reach the Yucatan Channel Sun
morning, then extend from western Cuba to the Gulf of Honduras
Sun night. Fresh to strong northerly winds are expected behind
the front. 

NW Caribbean W of 85W

.TODAY...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI...NE winds 10 to 15 kt. Seas 3 to 4 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...SE winds less than 10 kt. Seas 3 to 4 ft. 
.SUN...NW winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...N winds 15 to 25 kt. Seas 6 to 8 ft. 
.MON...N winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. 

Caribbean N of 15N between 72W and 85W

.TODAY...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft S of 18N, and 3 to
4 ft elsewhere. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft S of 18N, and
3 to 4 ft elsewhere. 
.SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...NE winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 

Caribbean from 11N to 15N W of 72W

...GALE WARNING TONIGHT AND FRI NIGHT...
...GALE CONDITIONS POSSIBLE SAT NIGHT...SUN NIGHT AND MON 
NIGHT...

.TODAY...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. 
.TONIGHT...E winds 25 to 35 kt and seas 9 to 12 ft within 90 nm 
of coast of Colombia. Elsewhere, NE winds 10 to 20 kt. Seas 6 to
9 ft.
.FRI...E winds 20 to 25 kt within 90 nm of coast of Colombia,
and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. 
.FRI NIGHT...E winds 25 to 35 kt and seas 9 to 12 ft within 90 
nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 7 to 
10 ft.
.SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.SAT NIGHT...Within 45 nm of coast of Colombia NE winds 25 to 35
kt. Seas 9 to 12 ft. Elsewhere, E winds 10 to 20 kt. Seas 7 to 
10 ft. 
.SUN...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.SUN NIGHT...Within 45 nm of coast of Colombia NE winds 25 to 35 
kt. Seas 9 to 12 ft. Elsewhere, NE winds 10 to 20 kt. Seas 6 to 
9 ft. 
.MON...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON NIGHT...Within 60 nm of coast of Colombia NE winds 25 to 35
kt. Seas 10 to 13 ft. Elsewhere, NE winds 15 to 25 kt. Seas 7 to
10 ft. 

SW Caribbean S of 11N

.TODAY...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.TONIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. 
.FRI...NE winds 15 to 25 kt. Seas 7 to 10 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. 
.SAT...NE winds 10 to 20 kt. Seas 7 to 10 ft. 
.SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.SUN...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. 
.MON...NE winds 15 to 25 kt. Seas 7 to 10 ft. 
.MON NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. 

Caribbean between 64W and 72W

.TODAY...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to
15 kt elsewhere. Seas 3 to 5 ft. 
.TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 4 to 6 ft. 
.FRI...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 15 kt
elsewhere. Seas 4 to 6 ft. 
.FRI NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. 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 5 to 7 ft. 
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON 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

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

.TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN...E winds 10 to 15 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 4 to 6 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 

Synopsis for the the SW N ATLC including the Bahamas

.SYNOPSIS...Weak high pressure will drift E from the SE United 
States toward Bermuda through Sat night. Winds will veer to the 
S, then strengthen Sat through Sun morning east of Florida, then 
a strong cold front will push off the Florida peninsula Sun 
afternoon. The front will extend from 31N76W to 23N80W Sun night,
then from 31N66W to 22N78W Mon. Minimal gale force winds will be
possible on either side of the front N of 29N Sun and Mon.

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

...GALE CONDITIONS POSSIBLE SUN...

.TODAY...NE winds less than 10 kt. Seas 4 to 5 ft. 
.TONIGHT...SE winds less than 10 kt, shifting to NW after
midnight. Seas 3 to 4 ft. 
.FRI...NW winds 10 kt in the morning, becoming variable winds
less than 10 kt. Seas 3 to 4 ft. 
.FRI NIGHT...Variable winds less than 10 kt, becoming SE 10 kt
after midnight. Seas 3 ft. 
.SAT...S winds 10 to 20 kt. Seas 3 to 4 ft. 
.SAT NIGHT...S winds 20 to 30 kt. Seas 4 to 6 ft, building to
6 to 9 ft after midnight. 
.SUN...N of 29N SW to W winds 30 to 35 kt. Elsewhere, W winds 20
to 30 kt. Seas 8 to 11 ft, building to 9 to 14 ft in the 
afternoon. 
.SUN NIGHT...NW winds 25 to 30 kt. Seas 11 to 16 ft. 
.MON...N winds 15 to 20 kt. Seas 8 to 13 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. 

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

...GALE CONDITIONS POSSIBLE SUN THROUGH MON...

.TODAY...E winds less than 10 kt W of 70W, and NE 10 to 15 kt
elsewhere. Seas 4 to 6 ft. 
.TONIGHT...W of 70W, E winds less than 10 kt, shifting to W
after midnight. Elsewhere, NE winds 10 to 15 kt, shifting to E
after midnight. Seas 3 to 5 ft. 
.FRI...N winds less than 10 kt. Seas 3 to 4 ft. 
.FRI NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. 
.SAT...NE winds less than 10 kt, shifting to E in the afternoon.
Seas 3 to 4 ft. 
.SAT NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...N of 28N and W of 70W S to SW winds 30 to 35 kt. Seas 10 
to 15 ft in SW swell. Elsewhere, S winds 20 to 30 kt. Seas 6 to 8
ft, building to 8 to 11 ft in the afternoon. 
.SUN NIGHT...N of 28N and W of 70W W winds 30 to 35 kt. Seas 13 
to 19 ft. N of 29N and E of 70W S to SW winds 30 to 35 kt. Seas 
11 to 17 ft. Elsewhere, SW winds 20 to 30 kt. Seas 10 to 15 ft.
.MON...N of 29N and E of 70W W winds 30 to 35 kt. Seas 12 to 18 
ft in NW swell. Elsewhere, NW winds 20 to 30 kt. Seas 12 to 17 
ft. 
.MON NIGHT...N winds 15 to 25 kt. Seas 11 to 16 ft. 

Bahamas N of 22N

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

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

.TODAY...NE winds 10 to 15 kt. Seas 5 to 6 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 5 ft. 
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN...S winds 15 to 25 kt. Seas 5 to 7 ft. 
.SUN NIGHT...SW winds 15 to 25 kt. Seas 6 to 9 ft. 
.MON...NW winds 10 to 20 kt. Seas 7 to 10 ft. 
.MON NIGHT...N winds 10 to 20 kt. Seas 8 to 11 ft. 

ATLC waters S of 22N W of 65W

.TODAY...E winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 3 to 5 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. 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 20 kt. Seas 3 to 5 ft. 
.SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. 

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

.TODAY...SE winds 10 kt in the morning, becoming variable winds
less than 10 kt. Seas 5 ft. 
.TONIGHT...E winds less than 10 kt. Seas 5 ft. 
.FRI...E winds less than 10 kt. Seas 4 to 5 ft. 
.FRI NIGHT...E winds 10 kt. Seas 4 to 5 ft. 
.SAT...E winds less than 10 kt. Seas 4 to 5 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 ft. 
.SUN...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.MON...SE winds 10 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.