000
FZNT31 KNHC 312123
OFFN20

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
423 PM EST MON DEC 31 2012

MARINE WEATHER HF VOICE BROADCAST FOR THE TROPICAL N ATLANTIC FROM
07N TO 22N BETWEEN 55W AND 64W...THE SW N ATLC 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....1029 MB HIGH PRES CENTER BETWEEN BERMUDA AND THE SE
U.S. COAST WILL SHIFT E-SE INTO THE CENTRAL ATLC AND WEAKEN
THROUGH THU...INDUCING AN INCREASE IN WINDS OVER MUCH OF THE
EASTERN CARIBBEAN AND TROPICAL N ATLC. LARGE LONG PERIOD NW TO N
SWELL PROPAGATING THROUGH THE ATLC WATERS WILL MOVE INTO THE
TROPICAL N ATLC AND THROUGH THE CARIBBEAN PASSAGES TONIGHT
THROUGH WED THEN GRADUALLY SUBSIDE. AN OLD FRONTAL BOUNDARY
STRETCHED W TO E ALONG ABOUT 19N ACROSS THE NW CARIBBEAN WILL
DISSIPATE TONIGHT.


NW CARIBBEAN W OF 85W

.TONIGHT...E WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT 
LATE. SEAS 5 TO 7 FT. 
.TUE...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. 
.TUE NIGHT THROUGH WED NIGHT...E TO SE WINDS 10 TO 15 KT. SEAS
4 TO 6 FT. 
.THU THROUGH SAT...NE TO E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 

CARIBBEAN N OF 15N BETWEEN 72W AND 85W

.TONIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. 
.TUE...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. 
.TUE NIGHT THROUGH WED NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO
8 FT. 
.THU THROUGH SAT...NE TO E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. 

CARIBBEAN FROM 11N TO 15N W OF 70W

...GALE WARNING...

.TONIGHT...NE TO E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT. 
.TUE...E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT. 
.TUE NIGHT THROUGH WED NIGHT...E WINDS 15 TO 25 KT. SEAS 7 TO
10 FT. 
.THU THROUGH SAT...NE TO E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT. 

SW CARIBBEAN S OF 11N

.TONIGHT...NE WINDS 10 TO 20 KT...BECOMING NE TO E 15 TO 25 KT
LATE. SEAS 8 TO 11 FT. 
.TUE...NE TO E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT. 
.TUE NIGHT THROUGH WED NIGHT...NE TO E WINDS 10 TO 20 KT. SEAS
7 TO 10 FT. 
.THU THROUGH SAT...NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT. 

CARIBBEAN BETWEEN 64W AND 72W

.TONIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 
.TUE...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 
.TUE NIGHT THROUGH WED NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO
8 FT. 
.THU THROUGH SAT...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. 

OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W

.TONIGHT...NE TO E WINDS 10 TO 20 KT...BECOMING 15 TO 20 KT
LATE. SEAS 5 TO 6 FT. 
.TUE...NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. 
.TUE NIGHT THROUGH WED NIGHT...NE TO E WINDS 15 TO 20 KT. SEAS
6 TO 9 FT. 
.THU THROUGH SAT...NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT. 

OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W

.TONIGHT...NE TO E WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT
LATE. SEAS 5 TO 7 FT. 
.TUE...NE TO E WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT 
LATE. SEAS 5 TO 7 FT. 
.TUE NIGHT THROUGH WED NIGHT...NE TO E WINDS 10 TO 20 KT. SEAS
6 TO 9 FT. 
.THU THROUGH SAT...NE TO E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. 

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...COLD FRONT FROM 21N65W TO THE NE TIP OF CUBA AND
ACROSS THE FAR N WINDWARD PASSAGE WILL SINK SLIGHTLY AND LIE
ALONG 20N THIS EVENING AND TONIGHT BEFORE DISSIPATING TUE. LARGE
LONG PERIOD NW SWELL CONTINUE BEHIND THE FRONT AND WILL
GRADUALLY SUBSIDE W TO E LATE TUE INTO WED. HIGH PRES BUILDING
BEHIND THE FRONT WILL MOVE E-SE THROUGH TUE AND WEAKEN. ANOTHER
COLD FRONT WILL MOVE INTO THE NW PORTION OF THE AREA THU AND
EXTEND FROM BERMUDA TO NW BAHAMAS AND TO THE STRAITS OF FLORIDA
BY LATE FRI.


ATLC WATERS FROM 27N TO 31N W OF 77W

.TONIGHT...S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 
.TUE...S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.TUE NIGHT THROUGH WED NIGHT...S TO SW WINDS 10 TO 20 KT. SEAS
3 TO 5 FT. 
.THU THROUGH SAT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. 

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

.TONIGHT...NE WINDS 10 TO 15 KT...BECOMING SE LATE.
SEAS 9 TO 13 FT E OF 70W...AND 7 TO 10 FT W OF 70W. 
.TUE...S TO SW WINDS LESS THAN 10 KT...INCREASING TO 10 TO
15 KT LATE. SEAS 7 TO 10 FT E OF 70W...AND
5 TO 7 FT W OF 70W. 
.TUE NIGHT THROUGH WED NIGHT...SW TO W WINDS 10 TO 20 KT. SEAS
5 TO 7 FT. 
.THU THROUGH SAT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 

BAHAMAS N OF 22N

.TONIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 
.TUE...E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 
.TUE NIGHT THROUGH WED NIGHT...E TO SE WINDS 10 TO 15 KT. SEAS
3 TO 5 FT. 
.THU THROUGH SAT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 

ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS

.TONIGHT...NE TO E WINDS 15 TO 20 KT...BECOMING E 10 TO 20 KT
LATE. SEAS 8 TO 11 FT. 
.TUE...E WINDS 10 TO 20 KT...BECOMING E TO SE 10 TO 15 KT 
LATE. SEAS 7 TO 10 FT. 
.TUE NIGHT THROUGH WED NIGHT...E TO SE WINDS 10 TO 15 KT. SEAS
5 TO 7 FT. 
.THU THROUGH SAT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 

ATLC WATERS S OF 22N W OF 65W

.TONIGHT...NE TO E WINDS 15 TO 25 KT...DIMINISHING TO 10 TO
20 KT LATE. SEAS 6 TO 9 FT. 
.TUE...NE TO E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT. 
.TUE NIGHT THROUGH WED NIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO
8 FT. 
.THU THROUGH SAT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 

ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W

.TONIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 6 FT...BUILDING TO
6 TO 9 FT LATE. 
.TUE...NE TO E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT. 
.TUE NIGHT THROUGH WED NIGHT...E WINDS 10 TO 15 KT. SEAS 7 TO
10 FT. 
.THU THROUGH SAT...NE TO E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.