000
FZNT31 KNHC 131507
OFFN20

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1107 AM EDT THU SEP 13 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...HIGH PRES N OF AREA MAINTAIN MODERATE TO FRESH TRADE
WINDS E OF 75W AND GENTLE TO MODERATE BREEZE W OF 75W THROUGH
THU. TROPICAL STORM NADINE OVER CENTRAL TROPICAL ATLC FORECAST
TO REACH HURRICANE INTENSITY TONIGHT KEEPING A NW TRACK. NADINE
FORECAST TO REMAIN NE OF AREA...HOWEVER ASSOCIATED LARGE SWELLS
MAY IMPACT NE PORTIONS OF TROPICAL N ATLC THROUGH SUN. 


NW CARIBBEAN W OF 85W

.THIS AFTERNOON...NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.TONIGHT...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.FRI AND FRI NIGHT...NE TO E WINDS LESS THAN 10 KT. SEAS 2 TO
4 FT. 
.SAT...NE WINDS 10 KT. SEAS 2 TO 3 FT. 
.SAT NIGHT THROUGH MON...SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. 

CARIBBEAN N OF 15N BETWEEN 72W AND 85W

.THIS AFTERNOON...NE TO E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.TONIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.FRI THROUGH MON...E TO SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 

CARIBBEAN FROM 11N TO 15N W OF 70W

.THIS AFTERNOON...NE TO E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. 
.TONIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. 
.FRI THROUGH MON...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 

SW CARIBBEAN S OF 11N

.THIS AFTERNOON...N TO NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 
.TONIGHT...NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. 
.FRI...S WINDS 10 KT...BECOMING W LATE. SEAS 4 TO
6 FT. 
.FRI NIGHT THROUGH SUN NIGHT...W TO NW WINDS 10 TO 15 KT. SEAS
3 TO 5 FT. 
.MON...VARIABLE WINDS 10 KT OR LESS. SEAS 2 TO 4 FT. 

CARIBBEAN BETWEEN 64W AND 72W

.THIS AFTERNOON...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.TONIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.FRI THROUGH MON...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

.THIS AFTERNOON...NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT. 
.TONIGHT...S WINDS LESS THAN 10 KT. SEAS 7 TO 10 FT. 
.FRI...S WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT. 
.FRI NIGHT...SE TO S WINDS LESS THAN 10 KT...BECOMING SE 
LATE. SEAS 6 TO 8 FT. 
.SAT THROUGH MON...E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT. 

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

.THIS AFTERNOON...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 
.TONIGHT...E TO SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 
.FRI THROUGH MON...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...WEAK 1016 MB LOW PRES AT 29N67W WITH COLD FRONT TO
25N71W THEN STATIONARY THROUGH STRAITS OF FLORIDA. LOW PRES
MOVES NE OF AREA FRI WHILE FRONT BECOMES DIFFUSE. HIGH PRES
BUILD IN ITS WAKE BLOCKING TROPICAL STORM NADINE FROM FURTHER
WESTERLY TRACK. NADINE FORECAST TO INTENSIFY TO HURRICANE
STRENGTH TONIGHT AND TURN MORE NORTHERLY. HOWEVER ITS LARGE
SWELLS ARE EXPECTED TO IMPACT EASTERN WATERS TONIGHT THEN
PROPAGATE W THROUGH MON.  


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

.THIS AFTERNOON...NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT. 
.TONIGHT...NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. 
.FRI THROUGH MON...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. 

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

.THIS AFTERNOON...NE TO E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. 
.TONIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. 
.FRI THROUGH MON...E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. 

BAHAMAS N OF 22N

.THIS AFTERNOON...NE TO E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.TONIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 
.FRI THROUGH MON...E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 

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

.THIS AFTERNOON...NE TO E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. 
.TONIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. 
.FRI AND FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. 
.SAT...S WINDS 10 KT...BECOMING NW LATE. SEAS 7 TO
10 FT. 
.SAT NIGHT THROUGH MON...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. 

ATLC WATERS S OF 22N W OF 65W

.THIS AFTERNOON...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.FRI THROUGH MON...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. 

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

.THIS AFTERNOON...NE TO E WINDS 10 TO 15 KT. SEAS 7 FT...
BUILDING TO 11 FT LATE. 
.TONIGHT...N WINDS 10 TO 15 KT. SEAS 9 TO 14 FT. 
.FRI THROUGH SAT...W WINDS 10 TO 15 KT. SEAS 7 TO 10 FT. 
.SAT NIGHT THROUGH MON...NE WINDS 10 KT. SEAS 5 TO 7 FT.