931  
FZNT31 KNHC 170802  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
402 AM EDT FRI AUG 17 2018  
 
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
 
NOCTURNAL NEAR GALE FORCE EASTERLY TRADES EXPECTED  
ALONG THE NORTHWEST COAST OF COLOMBIA TONIGHT FOLLOWED BY STRONG  
NOCTURNAL TRADES THROUGH THE UPCOMING WEEKEND. A TROPICAL WAVE  
ALONG 69W WILL CONTINUE WESTWARD ACROSS THE CENTRAL CARIBBEAN  
TODAY, AND PASS THROUGH THE WESTERN CARIBBEAN WATERS DURING THE  
UPCOMING WEEKEND. A SECOND TROPICAL WAVE WILL REACH ALONG 55W  
TODAY, AND PASS THROUGH THE EAST CARIBBEAN ON SAT AND SUN  
ACCOMPANIED BY LOCALLY STRONG CONVECTION THROUGH EARLY SAT.  
 
NW CARIBBEAN W OF 85W  
   
TODAY
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT
 
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 4 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
SUN
 
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 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 15 KT. SEAS 3 TO 5 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TODAY
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT S OF 18N, AND 3 TO  
5 FT ELSEWHERE.    
TONIGHT
 
E WINDS 10 TO 20 KT S OF 18N, AND E LESS THAN 10 KT  
ELSEWHERE. SEAS 4 TO 6 FT.    
SAT
 
E WINDS 10 TO 20 KT S OF 18N, AND E LESS THAN 10 KT  
ELSEWHERE. SEAS 3 TO 5 FT.    
SAT NIGHT
 
E WINDS 10 TO 20 KT S OF 18N, AND E LESS THAN 10 KT  
ELSEWHERE. SEAS 4 TO 6 FT S OF 18N, AND 3 TO 4 FT ELSEWHERE.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
TODAY
 
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,  
AND E 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.    
TONIGHT
 
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.    
SAT
 
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,  
AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT.    
SAT NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 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
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TUE
 
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
TUE NIGHT
 
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.  
 
SW CARIBBEAN S OF 11N  
   
TODAY
 
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TONIGHT
 
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT
 
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.    
SUN
 
NE WINDS LESS THAN 10 KT, SHIFTING TO S IN THE AFTERNOON.  
SEAS 4 TO 6 FT.    
SUN NIGHT
 
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
MON
 
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
N WINDS LESS THAN 10 KT, SHIFTING TO NE AFTER  
MIDNIGHT. SEAS 4 TO 6 FT.    
TUE
 
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TODAY
 
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF VENEZUELA,  
AND 4 TO 6 FT ELSEWHERE.    
TONIGHT
 
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 4 TO 6 FT.    
SAT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT GULF OF VENEZUELA,  
AND 4 TO 6 FT ELSEWHERE.    
SAT NIGHT
 
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 5 TO 7 FT.    
SUN
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
MON
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 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.    
TUE NIGHT
 
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  
   
TODAY
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO  
15N W OF 55W  
   
TODAY
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
SYNOPSIS FOR THE THE SW N ATLC INCLUDING THE BAHAMAS  
   
SYNOPSIS
 
AN EAST TO WEST RIDGE EXTENDS 30N65W TO 28N81W WITH  
LIGHT SOUTHERLY WINDS NORTH OF RIDGE, LIGHT AND VARIABLE WINDS  
ELSEWHERE NORTH OF 23N, AND FRESH TRADES SOUTH OF 23N, EXCEPT  
BECOMING LOCALLY STRONG ALONG THE NORTH COAST OF HISPANIOLA  
DURING THE LATE AFTERNOON INTO EARLY EVENING HOURS.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TODAY
 
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
TONIGHT
 
SE WINDS 10 KT. SEAS 3 FT.    
SAT
 
S WINDS 10 KT. SEAS 3 FT.    
SAT NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 FT.    
SUN
 
S WINDS 10 TO 15 KT. SEAS 3 FT.    
SUN NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 FT.    
MON
 
S WINDS 10 TO 15 KT. SEAS 3 FT.    
MON NIGHT
 
S WINDS 10 KT. SEAS 3 FT.    
TUE
 
S WINDS 10 KT. SEAS 3 FT.    
TUE NIGHT
 
S WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
TODAY
 
E WINDS LESS THAN 10 KT. SEAS 3 FT.    
TONIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 FT.    
SAT
 
E WINDS LESS THAN 10 KT. SEAS 3 FT.    
SAT NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 FT.    
SUN
 
SE WINDS LESS THAN 10 KT. SEAS 3 FT.    
SUN NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 FT.   
MON
 
SE WINDS LESS THAN 10 KT. SEAS 3 FT.    
MON NIGHT
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.    
TUE
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.    
TUE NIGHT
 
VARIABLE WINDS LESS THAN 10 KT, BECOMING SE LESS  
THAN 10 KT AFTER MIDNIGHT. SEAS 3 FT.  
 
BAHAMAS N OF 22N  
   
TODAY
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
SAT NIGHT
 
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 2 FT OR LESS.    
SUN
 
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
MON
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
TODAY
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT
 
E WINDS 10 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
E WINDS 10 KT. SEAS 3 TO 4 FT.    
SUN
 
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
MON
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
TUE
 
E WINDS 10 KT. SEAS 3 TO 4 FT.    
TUE NIGHT
 
E WINDS 10 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TODAY
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
TONIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
TODAY
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 4 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.  
 
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