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HF Voice Broadcast (Caribbean/SW Atlantic)



000
FZNT31 KNHC 172132
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
532 PM EDT Thu Aug 17 2017

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...A strong and broad tropical wave along 70W-71W will
reach along 80W Fri afternoon and move across the W Caribbean
Fri night through early Sun. Newly formed Tropical Storm Harvey
near 13.1N 55.8W moving W at 16 kt at 2100 UTC. Maximum
sustained winds 35 kt G 45 kt. Harvey expected to continue
westward and across the Windward Islands Fri then move more WNW
through the full Caribbean Fri night through Mon while
strengthening, then move across the Gulf of Honduras late Mon
through Tue. 

NW Caribbean W of 85W

.TONIGHT...NE winds 10 to 20 kt. Seas 3 ft. 
.FRI...E winds less than 10 kt. Seas 3 ft. 
.FRI NIGHT...NE winds less than 10 kt. Seas 3 ft.
.SAT...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 ft. 
.SUN...E winds less than 10 kt. Seas 3 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 ft after midnight. 
.MON... TROPICAL STORM CONDITIONS POSSIBLE. 
.MON NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. 
.TUE...E winds 45 to 55 kt. Seas 8 to 13 ft. 

Caribbean N of 15N between 72W and 85W

.TONIGHT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt
elsewhere. Seas 4 to 6 ft. 
.FRI...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 to
4 ft elsewhere. 
.SAT NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. S of 18N, NE
winds 15 to 25 kt, increasing to 25 to 35 kt after midnight.
Elsewhere, E winds 15 to 25 kt. Seas 3 to 5 ft. 
.SUN... TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. 
.MON... TROPICAL STORM CONDITIONS POSSIBLE. 
.MON NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. 
.TUE...S of 18N, E winds 25 to 35 kt, becoming SE 10 to 20 kt in
the afternoon. Elsewhere, SE winds 15 to 25 kt. Seas 4 to 6 ft. 

Caribbean from 11N to 15N W of 72W

.TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 5 ft. 
.SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. Within 90 nm
of coast of Colombia, NE winds less than 10 kt. Elsewhere, NE
winds 15 to 25 kt, increasing to 40 to 50 kt after midnight.
Seas 4 to 6 ft. 
.SUN... TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. 
.MON... TROPICAL STORM CONDITIONS POSSIBLE. 
.MON NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. 
.TUE...E winds 10 to 20 kt. Seas 3 to 5 ft. 

SW Caribbean S of 11N

.TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft. 
.FRI NIGHT...NW winds less than 10 kt, shifting to N after
midnight. Seas 3 to 4 ft. 
.SAT...N winds 10 to 15 kt, shifting to NW in the afternoon.
Seas 3 to 4 ft. 
.SAT NIGHT...NW winds less than 10 kt, shifting to W after
midnight. Seas 3 to 4 ft. 
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...W winds less than 10 kt. Seas 3 to 4 ft. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. 

Caribbean between 64W and 72W

...TROPICAL STORM WARNING...

.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT... TROPICAL STORM CONDITIONS EXPECTED. Gulf of
Venezuela, NE winds 10 to 20 kt. Elsewhere, NE winds 20 to
30 kt, increasing to 30 to 40 kt after midnight. Seas 3 to 4 ft
Gulf of Venezuela, and 5 to 7 ft elsewhere. 
.SAT... TROPICAL STORM CONDITIONS POSSIBLE. NE winds 10 to 15 kt
Gulf of Venezuela, and E 30 to 40 kt elsewhere. Seas 3 ft Gulf
of Venezuela, and 6 to 9 ft elsewhere. 
.SAT NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. NE winds 10 kt
Gulf of Venezuela, and E 40 to 50 kt elsewhere. Seas 3 ft Gulf
of Venezuela, and 6 to 9 ft elsewhere. 
.SUN...NE winds less than 10 kt Gulf of Venezuela, and E 15 to
25 kt elsewhere. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft
elsewhere. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela,
and 4 to 6 ft elsewhere. 
.MON...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE...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

.TONIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.FRI...E winds 20 to 30 kt. Seas 7 to 10 ft. 
.FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.SAT...E winds 15 to 25 kt. Seas 6 to 8 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE...SE winds 10 to 15 kt. Seas 4 to 6 ft. 

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

...TROPICAL STORM WARNING...

.TONIGHT... TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to
35 kt. Seas 5 to 7 ft. 
.FRI... TROPICAL STORM CONDITIONS POSSIBLE. SE winds 30 to
40 kt. Seas 5 to 7 ft. 
.FRI NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. SE winds 30 to
40 kt. Seas 5 to 7 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. 
.SUN...E winds 10 to 20 kt. Seas 4 to 5 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. 

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...The N part of a strong tropical wave along 70W will 
continue W and reach the Straits of Florida early Sat, 
accompanied by fresh to locally strong winds and very active
weather. Low pressure in the tropical Atlc will pass N of the 
Leeward Islands late Sat, possibly as a tropical cyclone, and 
reach the southern Bahamas by early Mon bringing strong winds
and building seas to the waters S of 25N. A ridge along 28N will
move N of the area early next week. 

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

.TONIGHT...S winds 10 to 15 kt. Seas 3 ft. 
.FRI...S winds 10 to 15 kt. Seas 3 ft. 
.FRI NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT...S winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE...SE winds 10 to 15 kt. Seas 4 to 6 ft. 

ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W

.TONIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI...S winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT...S winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON...W of 70W, SE winds 10 to 15 kt. Elsewhere, E winds 10 to
15 kt, shifting to NE in the afternoon. Seas 4 to 6 ft. 
.MON NIGHT...E winds 10 to 15 kt W of 70W, and NE less than
10 kt elsewhere. Seas 4 to 6 ft. 
.TUE...E winds 10 to 15 kt W of 70W, and N less than 10 kt
elsewhere. Seas 4 to 6 ft. 

Bahamas N of 22N

.TONIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.FRI...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.SAT...SE winds 10 to 20 kt. Seas 3 to 4 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.SUN...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. 

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

.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI...E 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 5 to 7 ft. 
.SUN...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.MON...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. 

ATLC waters S of 22N W of 65W

.TONIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. 
.FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. 
.SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. 
.SUN...E winds 15 to 25 kt. Seas 6 to 8 ft. 
.SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. 
.MON...E winds 15 to 25 kt. Seas 5 to 7 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. 

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

.TONIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. 
.FRI...E winds 15 to 20 kt. Seas 6 to 8 ft. 
.FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.SAT...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 9 ft. 
.SUN...E winds 15 to 25 kt. Seas 7 to 9 ft. 
.SUN NIGHT...E winds 15 to 25 kt. Seas 7 to 8 ft. 
.MON...E winds 15 to 25 kt. Seas 6 to 8 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.TUE...SE winds 10 to 20 kt. Seas 5 to 7 ft.