672  
FZNT31 KNHC 111920  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
320 PM EDT FRI APR 11 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 ARE POSSIBLE 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 EARLY  
NEXT WEEK.  
 
NW CARIBBEAN W OF 85W  
   
TONIGHT  
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT  
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT  
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 5 FT.    
MON  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 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 20 KT. SEAS 3 TO 5 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TONIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT S OF 18N, AND 3 FT  
ELSEWHERE.    
SAT NIGHT  
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT S OF 18N, AND  
3 FT ELSEWHERE.    
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  
   
TONIGHT  
NE WINDS 10 TO 15 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.    
SUN  
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN NIGHT  
NE WINDS 10 TO 20 KT. 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 8 FT.    
TUE  
E WINDS 15 TO 25 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.  
 
SW CARIBBEAN S OF 11N  
   
TONIGHT  
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT  
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT NIGHT  
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 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
MON NIGHT  
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 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  
   
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SAT  
GULF OF VENEZUELA, E WINDS 10 TO 15 KT, DIMINISHING TO  
LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, E WINDS 10 TO  
15 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 TO 5 FT  
ELSEWHERE.    
SAT NIGHT  
E WINDS 10 TO 15 KT. GULF OF VENEZUELA, SEAS 3 FT  
IN THE EVENING, SUBSIDING TO 2 FT OR LESS. 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  
E 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  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
WED  
E WINDS 10 TO 15 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, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. 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.  
 
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO  
15N W OF 55W  
   
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 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 MOVE OFF THE COAST OF FLORIDA  
TONIGHT. 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  
   
TONIGHT  
W WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SAT  
NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT  
NW 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 LESS THAN 10 KT IN THE EVENING, BECOMING  
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
MON  
VARIABLE WINDS LESS THAN 10 KT, BECOMING SW LESS THAN  
10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT.    
MON NIGHT  
S 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 4 TO 6 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
TONIGHT  
S WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.    
SAT  
W OF 70W, SW WINDS 10 TO 20 KT. ELSEWHERE, S WINDS LESS  
THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE AFTERNOON. SEAS  
4 TO 6 FT.    
SAT NIGHT  
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  
NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON  
NW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
MON NIGHT  
NW WINDS 10 TO 15 KT, SHIFTING TO W AFTER MIDNIGHT.  
SEAS 6 TO 9 FT.    
TUE  
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
TUE NIGHT  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
WED  
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
WED NIGHT  
NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
BAHAMAS N OF 22N  
   
TONIGHT  
E WINDS LESS THAN 10 KT. SEAS 3 FT.    
SAT  
W WINDS 10 TO 15 KT, SHIFTING TO NW IN THE AFTERNOON.  
SEAS 2 FT OR LESS.    
SAT NIGHT  
NW WINDS 10 TO 15 KT, SHIFTING TO N AFTER MIDNIGHT.  
SEAS 3 FT.    
SUN  
N WINDS 10 TO 15 KT. SEAS 3 FT.    
SUN NIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 FT.    
MON  
NE WINDS 10 TO 15 KT. SEAS 3 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE NIGHT  
E WINDS LESS THAN 10 KT. SEAS 3 FT IN THE EVENING,  
SUBSIDING TO 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  
   
TONIGHT  
W OF 70W, N WINDS LESS THAN 10 KT IN THE EVENING,  
BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE, SE WINDS  
LESS THAN 10 KT. SEAS 4 TO 5 FT.    
SAT  
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.    
SAT NIGHT  
NW WINDS LESS THAN 10 KT W OF 70W, AND S 10 TO  
15 KT ELSEWHERE. 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  
N WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
MON NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE NIGHT  
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
WED  
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
WED NIGHT  
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TONIGHT  
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SAT  
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SAT NIGHT  
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SUN  
SW WINDS LESS THAN 10 KT, SHIFTING TO NW IN THE  
AFTERNOON. SEAS 3 TO 5 FT.    
SUN NIGHT  
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON  
NE WINDS 10 TO 15 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 LESS THAN 10 KT. SEAS 3 TO 5 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 5 FT.    
SAT  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
SUN  
SE WINDS 10 TO 15 KT. SEAS 5 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 6 FT.    
MON NIGHT  
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. 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  
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
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