000
FZNT31 KNHC 110148
OFFN20

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
948 PM EDT WED OCT 10 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...A WEAK PRES GRADIENT WILL MAINTAIN LIGHT WINDS
ACROSS THE CARIBBEAN THROUGH THU. HIGH PRES STRENGTHENS OVER THE
EASTERN U.S. AND NE WINDS INCREASE ACROSS THE NW CARIBBEAN FRI
AND SAT. LOW PRES ENTERS THE TROPICAL N ATLC ACROSS 55W EARLY
THU...POSSIBLY AS A TROPICAL CYCLONE...BRINGING STRONG WINDS N
OF 12N THROUGH MON AS THE LOW MOVES NW. 


NW CARIBBEAN W OF 85W

.OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.THU...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. 
.THU NIGHT THROUGH FRI NIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO
6 FT. 
.SAT THROUGH MON...N TO NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 

CARIBBEAN N OF 15N BETWEEN 72W AND 85W

.OVERNIGHT...NE TO E WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT.
.THU...NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.THU NIGHT THROUGH FRI NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO
5 FT. 
.SAT THROUGH MON...N TO NW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. 

CARIBBEAN FROM 11N TO 15N W OF 70W

.OVERNIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. 
.THU...NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. 
.THU NIGHT THROUGH FRI NIGHT...NE TO E WINDS 10 TO 15 KT. SEAS
3 TO 4 FT. 
.SAT THROUGH MON...N TO NE WINDS LESS THAN 10 KT. SEAS 2 TO
4 FT. 

SW CARIBBEAN S OF 11N

.OVERNIGHT...N WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. 
.THU...N TO NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.THU NIGHT...N WINDS 10 KT. SEAS 2 TO 4 FT. 
.FRI AND FRI NIGHT...W TO NW WINDS LESS THAN 10 KT. SEAS 2 TO
4 FT. 
.SAT THROUGH MON...W WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. 

CARIBBEAN BETWEEN 64W AND 72W

.OVERNIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.THU...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.THU NIGHT THROUGH FRI NIGHT...NE TO E WINDS 10 TO 15 KT. SEAS
3 TO 5 FT. 
.SAT THROUGH MON...N TO NW WINDS LESS THAN 10 KT. SEAS 3 TO
5 FT. 

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

.OVERNIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. 
.THU...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. 
.THU NIGHT THROUGH FRI NIGHT...E WINDS 15 TO 25 KT. SEAS 7 TO
10 FT. 
.SAT THROUGH MON...SE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. 

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

.OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. 
.THU...E TO SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. 
.THU NIGHT THROUGH FRI NIGHT...E TO SE WINDS 10 TO 20 KT. SEAS
6 TO 9 FT. 
.SAT THROUGH MON...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A TROUGH FROM 31N70W TO 1010 MB LOW PRES NEAR 26N72W TO
24N72W WILL SLOWLY DRIFT SW TOWARD CUBA AND DISSIPATE SAT. HIGH
PRES WILL STRENGTHEN OVER THE EASTERN U.S. AND NE WINDS WILL
INCREASE ACROSS THE NW HALF OF THE AREA THU THROUGH SAT. A LOW
PRES SYSTEM MOVING INTO SE WATERS...POSSIBLY AS A TROPICAL
CYCLONE...IS EXPECTED TO INCREASE WINDS AND SEAS AS IT PASSES N
OF PUERTO RICO SUN AND MON.


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

.OVERNIGHT...N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. 
.THU...N TO NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 
.THU NIGHT THROUGH FRI NIGHT...NE WINDS 10 TO 20 KT. SEAS 6 TO
8 FT. 
.SAT THROUGH MON...N TO NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. 

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

.OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. 
.THU...E OF 70W...SE TO S WINDS 10 TO 15 KT...DIMINISHING TO
LESS THAN 10 KT LATE. W OF 70W...N TO NE WINDS
10 TO 20 KT. SEAS 5 TO 7 FT. 
.THU NIGHT...NE TO E WINDS 10 TO 20 KT...BECOMING E 10 TO 15 KT
LATE. SEAS 5 TO 7 FT. 
.FRI AND FRI NIGHT...N TO NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 
.SAT THROUGH MON...NE TO E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. 

BAHAMAS N OF 22N

.OVERNIGHT...N TO NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. 
.THU...N TO NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.THU NIGHT THROUGH FRI NIGHT...NE WINDS 15 TO 25 KT. SEAS 4 TO
6 FT. 
.SAT THROUGH MON...N TO NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT. 

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

.OVERNIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 
.THU...SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT E OF 70W...
AND 6 TO 8 FT W OF 70W. 
.THU NIGHT AND FRI...E OF 70W...SE TO S WINDS LESS THAN 10 KT.
SEAS 4 TO 5 FT. W OF 70W...SE WINDS 10 TO 20 KT. SEAS 6 TO
8 FT. 
.FRI NIGHT...E OF 70W...E TO SE WINDS LESS THAN 10 KT. W OF
70W...NE WINDS 10 TO 15 KT...BECOMING NE TO E 10 TO 20 KT 
LATE. SEAS 4 TO 6 FT. 
.SAT THROUGH MON...N TO NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. 

ATLC WATERS S OF 22N W OF 65W

.OVERNIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. 
.THU...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. 
.THU NIGHT THROUGH FRI NIGHT...E TO SE WINDS 10 TO 15 KT. SEAS
3 TO 5 FT. 
.SAT THROUGH MON...NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. 

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

.OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. 
.THU...E TO SE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT. 
.THU NIGHT THROUGH FRI NIGHT...E WINDS 10 TO 20 KT. SEAS 7 TO
10 FT. 
.SAT THROUGH MON...SE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.