000
FZNT31 KNHC 211456
OFFN20

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1056 AM EDT SAT SEP 21 2013

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...MODERATE TO FRESH SE WINDS WILL SPREAD E ACROSS THE
CENTRAL CARIBBEAN THROUGH EARLY SUN. THE GRADIENT WILL TIGHTEN
ACROSS THE CENTRAL CARIBBEAN SUPPORTING STRONG TRADES BEGINNING
LATE SUN NIGHT AND CONTINUING THROUGH WED...WHILE MODERATE
TRADES EXPECTED ELSEWHERE THROUGH THE PERIOD. 

NW CARIBBEAN W OF 85W

.THIS AFTERNOON...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.TONIGHT...SE WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT 
LATE. SEAS 3 TO 5 FT. 
.SUN AND SUN NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.MON THROUGH WED...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 

CARIBBEAN N OF 15N BETWEEN 72W AND 85W

.THIS AFTERNOON...SE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. 
.TONIGHT...SE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT
LATE. SEAS 2 TO 3 FT. 
.SUN AND SUN NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. 
.MON THROUGH WED...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 

CARIBBEAN FROM 11N TO 15N W OF 72W

.THIS AFTERNOON...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.TONIGHT...WITHIN 90 NM OF COAST OF COLOMBIA...NE WINDS 10 TO
15 KT...SHIFTING TO E 10 TO 20 KT LATE. ELSEWHERE...E WINDS LESS
THAN 10 KT...INCREASING TO 10 TO 15 KT LATE. SEAS 3 TO 5 FT.
.SUN AND SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.MON THROUGH WED...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 

SW CARIBBEAN S OF 11N

.THIS AFTERNOON...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT. 
.TONIGHT...N WINDS LESS THAN 10 KT. SEAS 2 FT. 
.SUN AND SUN NIGHT...N WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. 
.MON THROUGH WED...N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. 

CARIBBEAN BETWEEN 64W AND 72W

.THIS AFTERNOON...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.TONIGHT...E WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT 
LATE. SEAS 3 TO 5 FT. 
.SUN AND SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.MON THROUGH WED...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 

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

.THIS AFTERNOON...SE WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT. 
.TONIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. 
.SUN AND SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.MON THROUGH WED...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 

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

.THIS AFTERNOON...SE WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT. 
.TONIGHT...E WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT
LATE. SEAS 2 TO 4 FT. 
.SUN AND SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.MON THROUGH WED...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...LOW PRES E OF THE AREA NEAR 29N61.5W TRAILS A BROAD
TROUGH SW TO THE SE BAHAMAS. THIS LOW WILL DRAG THE TROUGH E OF
THE AREA LATE TODAY. ANOTHER TROUGH EXTENDS FROM A 1010 MB LOW
PRES NEAR 26N74W TO THE NW BAHAMAS. THIS LOW WILL WEAKEN ON SUN
AHEAD OF ANOTHER LOW PRES FORECAST TO MOVE OFF THE SE CONUS SUN
NIGHT. THIS THIRD LOW PRES WILL BE ASSOCIATED WITH A COLD FRONT
THAT WILL ENTER THE NW PORTION LATE ON MON...THEN STALL FROM
29N65W ACROSS THE NW BAHAMAS TO SE FLORIDA ON TUE. THE W PORTION
OF THE FRONT WILL LIFT N ACROSS THE NW WATERS TUE NIGHT WITH LOW
PRESSURE DEVELOPING ALONG THE FRONT NEAR 29N78W BY WED.

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

.THIS AFTERNOON...VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO
5 FT. 
.TONIGHT...VARIABLE WINDS LESS THAN 10 KT...BECOMING S LESS THAN
10 KT LATE. SEAS 3 TO 4 FT. 
.SUN AND SUN NIGHT...SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.MON...W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.TUE THROUGH WED...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 

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

.THIS AFTERNOON...E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. 
.TONIGHT...E WINDS LESS THAN 10 KT LATE... BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT. 
.SUN AND SUN NIGHT...SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. 
.MON...SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 
.TUE THROUGH WED...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 

BAHAMAS N OF 22N

.THIS AFTERNOON...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 TO
3 FT. 
.TONIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. 
.SUN AND SUN NIGHT...S WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. 
.MON...S WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. 
.TUE THROUGH WED...N WINDS LESS THAN 10 KT. SEAS 2 FT. 

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

.THIS AFTERNOON...VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO
5 FT. 
.TONIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT. 
.SUN AND SUN NIGHT...S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. 
.MON THROUGH WED...SW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. 

ATLC WATERS S OF 22N W OF 65W

.THIS AFTERNOON...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 TO
3 FT. 
.TONIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. 
.SUN AND SUN NIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. 
.MON THROUGH WED...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 

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

.THIS AFTERNOON...S WINDS 10 KT. SEAS 4 TO 5 FT. 
.TONIGHT...S WINDS 10 KT. SEAS 4 TO 5 FT. 
.SUN AND SUN NIGHT...SE WINDS 10 KT. SEAS 4 TO 5 FT. 
.MON THROUGH WED...SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.