289  
FZNT31 KNHC 120824  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
424 AM EDT SAT APR 12 2025  
 
MARINE WEATHER HF VOICE BROADCAST FOR THE TROPICAL N ATLANTIC  
FROM 07N TO 19N W OF 55W, THE N ATLANTIC FROM 19N TO  
31N W OF 55W INCLUDING THE 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 ATLANTIC FROM  
07N TO 19N W OF 55W  
   
SYNOPSIS  
FRESH TO STRONG WINDS OFF NICARAGUA WILL CONTINUE  
THROUGH THE WEEKEND BEFORE DIMINISHING ON MON. FRESH TO STRONG  
WINDS WILL DEVELOP IN THE LEE OF CUBA, THE WINDWARD PASSAGE, AND  
IN THE LEE OF HISPANIOLA SUN NIGHT THROUGH TUE AS A HIGH  
PRESSURE CENTER SHIFTS ACROSS THE ATLANTIC WATERS N OF THE AREA.  
ELSEWHERE, MODERATE TO FRESH TRADES WILL PREVAIL IN THE  
SOUTH-CENTRAL CARIBBEAN INTO THE WEEKEND BEFORE STRENGTHENING TO  
STRONG BY EARLY NEXT WEEK.  
 
NW CARIBBEAN W OF 85W  
   
TODAY  
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TONIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN NIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE NIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED NIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TODAY  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT S OF 18N, AND 3 FT  
ELSEWHERE.    
TONIGHT  
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN  
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
SUN NIGHT  
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 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 5 TO 7 FT.    
TUE NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
WED  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED NIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
TODAY  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TONIGHT  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN  
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN NIGHT  
NE WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.    
MON  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON NIGHT  
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
TUE  
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.    
TUE NIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
WED  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
WED NIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.  
 
SW CARIBBEAN S OF 11N  
   
TODAY  
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TONIGHT  
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN  
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN NIGHT  
N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
MON  
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON NIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TUE  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE NIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
WED  
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
WED NIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TODAY  
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS GULF OF  
VENEZUELA, AND 3 TO 5 FT ELSEWHERE.    
TONIGHT  
NE WINDS 10 TO 20 KT GULF OF VENEZUELA, AND E 10 TO  
15 KT ELSEWHERE. SEAS 3 TO 5 FT.    
SUN  
E WINDS 10 TO 20 KT GULF OF VENEZUELA, AND E 10 TO 15 KT  
ELSEWHERE. SEAS 3 TO 5 FT.    
SUN NIGHT  
NE WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 3 TO 5 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 5 TO 7 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.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N 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 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, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 4 TO 6 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 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.  
 
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO  
15N W OF 55W  
   
TODAY  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TONIGHT  
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 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 6 FT.    
WED NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS  
A COLD FRONT WILL CONTINUE TO MOVE OFF THE COAST OF  
FLORIDA TODAY. THE FRONT WILL PROGRESS ACROSS THE FORECAST  
WATERS, WITH MODERATE TO FRESH WINDS ON EITHER SIDE OF THE FRONT  
NORTH OF 25N, REACHING STRONG SPEEDS E OF THE FRONT AND N OF 29N  
BY SUN. HIGH PRESSURE WILL BUILD IN THE WAKE OF THE FRONT.  
ANOTHER WEAK COLD FRONT MAY ENTER THE NW WATERS TUE NIGHT WITH  
MODERATE TO FRESH WINDS ON EITHER SIDE OF THE FRONT.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TODAY  
NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TONIGHT  
N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN  
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN NIGHT  
N WINDS LESS THAN 10 KT IN THE EVENING, BECOMING  
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
MON  
VARIABLE WINDS LESS THAN 10 KT, BECOMING SW LESS THAN  
10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT.    
MON NIGHT  
SW WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.    
TUE  
SW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
TUE NIGHT  
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED  
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED NIGHT  
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
TODAY  
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
TONIGHT  
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN  
NW WINDS 10 TO 20 KT W OF 70W, AND W 10 TO 15 KT  
ELSEWHERE. SEAS 4 TO 6 FT.    
SUN NIGHT  
NW WINDS 10 TO 15 KT W OF 70W, AND NW 10 TO 20 KT  
ELSEWHERE. SEAS 5 TO 7 FT.    
MON  
NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
MON NIGHT  
NW WINDS LESS THAN 10 KT, SHIFTING TO W AFTER  
MIDNIGHT. SEAS 6 TO 8 FT.    
TUE  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE NIGHT  
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
WED  
W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
WED NIGHT  
NW WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.  
 
BAHAMAS N OF 22N  
   
TODAY  
NW WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
TONIGHT  
N WINDS 10 TO 15 KT. SEAS 3 FT.    
SUN  
N WINDS 10 TO 15 KT. SEAS 3 FT.    
SUN NIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON  
NE WINDS 10 TO 15 KT. SEAS 3 FT.    
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 LESS THAN 10 KT. SEAS 2 FT OR LESS.    
WED  
N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
WED NIGHT  
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
TODAY  
W OF 70W, VARIABLE WINDS LESS THAN 10 KT, BECOMING SW  
LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, S WINDS 10 TO  
15 KT. SEAS 4 TO 5 FT.    
TONIGHT  
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN  
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN NIGHT  
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON  
NE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
MON NIGHT  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE NIGHT  
SE 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 LESS THAN 10 KT. SEAS 3 TO 5 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TODAY  
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
TONIGHT  
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.   
SUN  
NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SUN NIGHT  
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON  
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
MON NIGHT  
NE 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 4 TO 6 FT.    
WED  
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
WED 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 5 TO 6 FT.    
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
SUN  
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN NIGHT  
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN  
10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT.    
MON  
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.    
MON NIGHT  
E WINDS LESS THAN 10 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 6 FT.    
WED NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.  
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