434  
FZNT31 KNHC 070918  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
418 AM EST TUE NOV 7 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
 
BROAD LOW PRESSURE WILL SLOWLY DEVELOP OVER THE SW  
CARIBBEAN THROUGH THE WEEK, ENHANCING TRADE WINDS OVER THE  
EASTERN AND CENTRAL CARIBBEAN WED AND THU. THESE WINDS DIMINISH  
BY LATE THU AS HIGH PRESSURE OVER THE WESTERN ATLANTIC WEAKENS.  
WINDS INCREASE OVER THE NW CARIBBEAN BY LATE FRI AS HIGH  
PRESSURE BUILDS OVER THE GULF BEHIND A COLD FRONT.  
 
NW CARIBBEAN W OF 85W  
   
TODAY
 
NE WINDS 10 KT. SEAS 3 FT.    
TONIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 FT.    
WED
 
NE WINDS LESS THAN 10 KT. SEAS 3 FT.    
WED NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 3 FT.    
THU
 
N WINDS LESS THAN 10 KT. SEAS 3 FT.    
THU NIGHT
 
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI
 
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT
 
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TODAY
 
S OF 18N, NE WINDS 10 TO 15 KT, DIMINISHING TO LESS  
THAN 10 KT IN THE AFTERNOON. ELSEWHERE, NE WINDS 10 TO 15 KT.  
SEAS 3 FT.    
TONIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED
 
S OF 18N, NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN  
10 KT IN THE AFTERNOON. ELSEWHERE, NE WINDS 10 TO 15 KT. SEAS  
3 TO 5 FT.    
WED NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT
 
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
TODAY
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TONIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
WED NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
THU
 
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
FRI
 
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
SAT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 FT.  
 
SW CARIBBEAN S OF 11N  
   
TODAY
 
N WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT.    
TONIGHT
 
NW WINDS 10 KT. SEAS 2 TO 3 FT.    
WED
 
NW WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT.    
WED NIGHT
 
NW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
THU
 
NW WINDS LESS THAN 10 KT. SEAS 3 FT.    
THU NIGHT
 
NW WINDS 10 KT. SEAS 3 FT.    
FRI
 
W WINDS LESS THAN 10 KT. SEAS 3 FT.    
FRI NIGHT
 
W WINDS LESS THAN 10 KT. SEAS 3 FT.    
SAT
 
W WINDS LESS THAN 10 KT. SEAS 3 FT.    
SAT NIGHT
 
W WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TODAY
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA,  
AND 4 TO 5 FT ELSEWHERE.    
WED NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
TODAY
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TONIGHT
 
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.    
THU
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI NIGHT
 
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 5 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 4 TO 6 FT.    
WED
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
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.  
 
SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS  
   
SYNOPSIS
 
A TROUGH FROM HAITI TO THE CENTRAL BAHAMAS WILL  
GRADUALLY DISSIPATE THROUGH WED. A RIDGE ALONG 28N WILL SUPPORT  
MODERATE TO FRESH TRADES S OF 20N, AND LIGHT TO GENTLE BREEZES N  
OF 20N THROUGH THU. A COLD FRONT WILL MOVE OFF THE NE FLORIDA  
COAST LATE THU, STALL FROM BERMUDA TO THE STRAITS OF FLORIDA BY  
LATE FRI, JUST AS REINFORCING FRESH TO STRONG WINDS MOVE INTO  
THE WATERS OFF NE FLORIDA, COVERING MOST OF THE AREA W OF THE  
FRONT THROUGH SAT WITH SEAS TO 12 FT.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TODAY
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TONIGHT
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
WED
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
THU
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
THU NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
FRI
 
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SAT
 
NE WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.    
SAT NIGHT
 
E WINDS 15 TO 25 KT. SEAS 9 TO 12 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
TODAY
 
E WINDS LESS THAN 10 KT. SEAS 4 FT.    
TONIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 4 FT.    
WED
 
SE WINDS LESS THAN 10 KT IN THE MORNING, BECOMING  
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 FT.    
WED NIGHT
 
W OF 70W, SE WINDS LESS THAN 10 KT IN THE EVENING,  
BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE, SE WINDS  
10 KT. SEAS 3 TO 4 FT.    
THU
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
THU NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 4 FT.    
FRI
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.    
FRI NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT
 
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
SAT NIGHT
 
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.  
 
BAHAMAS N OF 22N  
   
TODAY
 
NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN  
THE AFTERNOON. SEAS 3 TO 4 FT.    
TONIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 FT.    
FRI
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
SAT
 
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
TODAY
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
TONIGHT
 
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 TO 15 KT. SEAS 4 TO 5 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
SAT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SAT NIGHT
 
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TODAY
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
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 5 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
TODAY
 
E WINDS 10 KT. SEAS 4 FT.    
TONIGHT
 
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 TO 15 KT. SEAS 4 TO 5 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 5 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 5 FT.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 5 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 FT.  
 
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