300  
FZNT31 KNHC 212032  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
432 PM EDT FRI JUL 21 2017  
 
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
 
FRESH TO STRONG WINDS WILL PREVAIL IN THE CENTRAL  
CARIBBEAN THROUGH EARLY NEXT WEEK. NEAR GALE FORCE WINDS ARE  
FORECAST ALONG THE COAST OF COLOMBIA AND THE GULF OF VENEZUELA  
MONDAY NIGHT. WINDS WILL PULSE TO FRESH TO STRONG NEAR THE  
APPROACH TO WINDWARD PASSAGE DURING THE EVENINGS THROUGH EARLY  
NEXT WEEK. MODERATE TO LOCALLY FRESH TRADES WILL PREVAIL  
ELSEWHERE, EXCEPT WINDS WILL PULSE TO FRESH IN THE GULF OF  
HONDURAS THIS EVENING INTO EARLY SATURDAY.  
 
NW CARIBBEAN W OF 85W  
   
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 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 4 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TUE
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TONIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN
 
S OF 18N, E WINDS 10 TO 20 KT. ELSEWHERE, E WINDS 10 TO  
15 KT, DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS  
5 TO 7 FT S OF 18N, AND 3 TO 4 FT ELSEWHERE.   
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 4 TO 6 FT.    
TUE
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
WED
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
TONIGHT
 
NE 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 8 FT.    
SAT NIGHT
 
NE WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.    
SUN
 
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.    
SUN NIGHT
 
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
MON
 
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
MON NIGHT
 
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.    
TUE
 
E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.    
TUE NIGHT
 
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.    
WED
 
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
WED NIGHT
 
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.  
 
SW CARIBBEAN S OF 11N  
   
TONIGHT
 
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT NIGHT
 
NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 4 TO 6 FT.    
SUN
 
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
VARIABLE WINDS LESS THAN 10 KT, BECOMING N LESS  
THAN 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT.    
MON
 
N WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.    
MON NIGHT
 
N WINDS LESS THAN 10 KT, SHIFTING TO NE AFTER  
MIDNIGHT. SEAS 5 TO 7 FT.    
TUE
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TUE NIGHT
 
NE WINDS LESS THAN 10 KT, SHIFTING TO N AFTER  
MIDNIGHT. SEAS 6 TO 8 FT.    
WED
 
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
WED NIGHT
 
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 5 TO 7 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TONIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 4 TO 6 FT.    
SUN
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
MON
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 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.    
WED
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
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  
   
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 6 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 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.    
WED
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED NIGHT
 
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  
   
TONIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SAT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SAT NIGHT
 
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 TO 5 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 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.    
WED
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS  
   
SYNOPSIS
 
BROAD HIGH PRESSURE RIDGE ALONG ABOUT 28N WILL  
SUPPORT FRESH TO STRONG WINDS AT NIGHT IN THE APPROACHES TO THE  
WINDWARD PASSAGE THROUGH TONIGHT. OTHERWISE, GENTLE TO MODERATE  
WINDS WILL PREVAIL THROUGH EARLY NEXT WEEK.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TONIGHT
 
S WINDS 10 KT. SEAS 3 TO 4 FT.    
SAT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
TUE
 
S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
TUE NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
TONIGHT
 
S WINDS LESS THAN 10 KT. SEAS 4 FT.    
SAT
 
S WINDS 10 KT. SEAS 4 FT.    
SAT NIGHT
 
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SUN
 
S WINDS 10 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON
 
S WINDS 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
S WINDS 10 KT. SEAS 3 TO 4 FT.    
TUE
 
S WINDS 10 KT. SEAS 3 TO 4 FT.    
TUE NIGHT
 
S WINDS 10 KT. SEAS 3 TO 4 FT.    
WED
 
S WINDS 10 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.  
 
BAHAMAS N OF 22N  
   
TONIGHT
 
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 FT.    
SAT
 
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN
 
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
MON
 
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
MON NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
TUE
 
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
WED
 
SE WINDS 10 TO 15 KT. SEAS 3 FT IN THE MORNING, SUBSIDING  
TO 2 FT OR LESS.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
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 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
 
SE 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 3 TO 4 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
E WINDS 10 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TONIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT
 
E WINDS 10 TO 20 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 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 4 TO 5 FT.    
MON NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TUE
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 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 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 5 FT.    
WED
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
WED NIGHT
 
E WINDS 10 KT. SEAS 4 TO 5 FT.  
 
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