293  
FZNT31 KNHC 231427  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1027 AM EDT SUN APR 23 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
 
A WEAKENING COLD FRONT WILL MOVE INTO THE NW  
CARIBBEAN LATE MON. THE FRONT WILL STALL FROM CENTRAL CUBA TO E  
HONDURAS ON TUE WHERE IT WILL DISSIPATE THROUGH WED.  
 
NW CARIBBEAN W OF 85W  
   
THIS AFTERNOON...VARIABLE WINDS LESS THAN 10 KT
 
BECOMING N  
LESS THAN 10 KT IN THE AFTERNOON. SEAS 3 FT.    
TONIGHT
 
N WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
MON...NW WINDS 10 TO 15 KT
 
DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 2 FT OR LESS.    
MON NIGHT...N WINDS LESS THAN 10 KT
 
SHIFTING TO NE AFTER  
MIDNIGHT. SEAS 2 TO 3 FT.    
TUE...VARIABLE WINDS LESS THAN 10 KT
 
BECOMING E LESS THAN  
10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
WED
 
SE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
THIS AFTERNOON...SE WINDS 10 TO 15 KT S OF 18N
 
AND SW LESS  
THAN 10 KT ELSEWHERE. SEAS 3 TO 5 FT.    
TONIGHT
 
NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.   
MON
 
NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TUE...N WINDS LESS THAN 10 KT IN THE MORNING
 
BECOMING  
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.    
TUE NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 FT IN THE EVENING
 
 
SUBSIDING TO 2 FT OR LESS.    
WED...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS
 
BUILDING TO  
3 FT IN THE AFTERNOON.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
THIS AFTERNOON
 
E WINDS 10 TO 15 KT WITHIN 90 NM OF COAST OF  
COLOMBIA...AND E LESS THAN 10 KT ELSEWHERE. SEAS 3 TO 5 FT.    
TONIGHT
 
NE WINDS 10 TO 15 KT WITHIN 90 NM OF COAST OF  
COLOMBIA...AND NE LESS THAN 10 KT ELSEWHERE. SEAS 3 TO 5 FT.    
MON
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TUE
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
TUE NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
WED
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 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 20 KT. SEAS 4 TO 6 FT.  
 
SW CARIBBEAN S OF 11N  
   
THIS AFTERNOON
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.    
TONIGHT
 
N WINDS LESS THAN 10 KT. SEAS 3 FT.    
MON
 
N WINDS LESS THAN 10 KT. SEAS 3 FT.    
MON NIGHT
 
N WINDS LESS THAN 10 KT. SEAS 3 FT.    
TUE
 
N WINDS LESS THAN 10 KT. SEAS 3 FT.    
TUE NIGHT
 
NE WINDS LESS THAN 10 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
 
NE WINDS LESS THAN 10 KT. SEAS 3 FT.    
THU NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
THIS AFTERNOON
 
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF  
VENEZUELA...AND 5 TO 7 FT ELSEWHERE.    
TONIGHT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF  
VENEZUELA...AND 5 TO 7 FT ELSEWHERE.    
MON...GULF OF VENEZUELA...E WINDS 10 TO 15 KT
 
SHIFTING TO NE  
IN THE AFTERNOON. ELSEWHERE...SE WINDS 10 TO 20 KT. SEAS 3 TO  
4 FT GULF OF VENEZUELA...AND 5 TO 7 FT ELSEWHERE.    
MON NIGHT
 
E WINDS 10 TO 20 KT. SEAS 2 FT OR LESS GULF OF  
VENEZUELA...AND 4 TO 6 FT ELSEWHERE.    
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.    
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 20 KT. SEAS 4 TO 6 FT.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
THIS AFTERNOON
 
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
MON
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
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 6 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU 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  
   
THIS AFTERNOON
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS  
   
SYNOPSIS
 
HIGH PRES WILL PREVAIL OVER THE FORECAST WATERS  
TODAYBEFORE RETREATING EASTWARD MON. LOW PRESSURE WILL SHIFT  
FROM THE SE GULF TO N OF THE BAHAMAS TONIGHT AND N OF THE AREA  
LATE MON. A COLD FRONT WILL MOVE INTO THE NW WATERS MON. THE  
FRONT WILL REACH FROM 31N70W TO CENTRAL CUBA TUE EVENING WHERE IT  
WILL STALL AND DISSIPATE. THE PRES GRADIENT BETWEEN THE LOW AND  
HIGH PRES TO THE EAST WILL RESULT IN MINIMAL GALE FORCE WINDS  
ACROSS THE N-CENTRAL WATERS ON MON.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
THIS AFTERNOON
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TONIGHT
 
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON
 
SW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON NIGHT
 
W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TUE
 
W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TUE NIGHT
 
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
WED
 
SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
WED NIGHT...S WINDS LESS THAN 10 KT
 
INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
THU
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
..GALE WARNING
 
 
   
THIS AFTERNOON...SE WINDS 10 TO 15 KT W OF 70W
 
AND S LESS  
THAN 10 KT ELSEWHERE. SEAS 5 TO 6 FT.    
TONIGHT...W OF 70W...SE WINDS 10 TO 20 KT. ELSEWHERE
 
S WINDS  
LESS THAN 10 KT...SHIFTING TO SE AFTER MIDNIGHT. SEAS 5 TO 7 FT.   
MON
 
W OF 72W SE WINDS 25 TO 35 KT. E OF 72W SE WINDS 15 TO 25  
KT. SEAS 7 TO 10 FT W OF 70W...AND 5 TO 7 FT ELSEWHERE.    
MON NIGHT...S WINDS 15 TO 25 KT. SEAS 8 TO 11 FT W OF 70W
 
AND  
6 TO 9 FT ELSEWHERE.    
TUE
 
S WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.    
TUE NIGHT
 
S WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
WED
 
SW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
WED NIGHT
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.   
THU...SE WINDS 10 TO 15 KT
 
DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 5 TO 7 FT.    
THU NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.  
 
BAHAMAS N OF 22N  
   
THIS AFTERNOON
 
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
TONIGHT
 
S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
MON...SW WINDS 10 TO 15 KT
 
SHIFTING TO W IN THE AFTERNOON.  
SEAS 3 TO 5 FT.    
MON NIGHT...W WINDS LESS THAN 10 KT
 
INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
TUE...W WINDS 10 TO 15 KT. SEAS 3 FT IN THE MORNING
 
SUBSIDING  
TO 2 FT OR LESS.    
TUE NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
WED
 
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
THU
 
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
THIS AFTERNOON
 
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TONIGHT
 
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON
 
SE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
MON NIGHT
 
SE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.    
TUE
 
S WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE NIGHT
 
S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
WED...SE WINDS 10 TO 15 KT
 
DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 5 TO 7 FT.    
WED NIGHT...E WINDS LESS THAN 10 KT
 
INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 5 TO 7 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
THIS AFTERNOON
 
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TONIGHT
 
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON
 
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON NIGHT
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TUE...S WINDS 10 TO 15 KT
 
SHIFTING TO SW IN THE AFTERNOON.  
SEAS 4 TO 6 FT.    
TUE NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 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.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
THIS AFTERNOON
 
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.    
MON
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
WED
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.  
 
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