571  
FZNT31 KNHC 221928  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
228 PM EST SUN DEC 22 2024  
 
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  
A STATIONARY FRONT FROM HISPANIOLA TO JUST OFFSHORE  
NE NICARAGUA WILL DISSIPATE TONIGHT. HIGH PRESSURE WILL BUILD  
NORTH OF THE BASIN IN THE WAKE OF THE FRONT, INCREASING THE  
PRESSURE GRADIENT OVER THE AREA AND CAUSING MODERATE NE TO E  
WINDS TO INCREASE TO FRESH TO LOCALLY STRONG MON INTO TUE NIGHT.  
WINDS WILL THEN RELAX SOME FOR THE LATTER HALF OF THE WEEK.  
 
NW CARIBBEAN W OF 85W  
   
TONIGHT  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON  
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 5 FT.    
MON NIGHT  
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN  
10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
TUE  
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
TUE NIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED  
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 4 FT.    
WED NIGHT  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
THU  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
THU NIGHT  
E WINDS LESS THAN 10 KT. SEAS 3 FT.    
FRI  
E WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE  
WINDS LESS THAN 10 KT. SEAS 3 FT.    
FRI NIGHT  
E WINDS LESS THAN 10 KT. SEAS 3 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TONIGHT  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
MON  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 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 10 TO 15 KT. SEAS 4 TO 6 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.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
TONIGHT  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
MON  
NE WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.    
MON NIGHT  
NE 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 5 TO 7 FT.    
WED NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
SW CARIBBEAN S OF 11N  
   
TONIGHT  
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON  
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
MON NIGHT  
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE  
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
TUE NIGHT  
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
WED  
E WINDS LESS THAN 10 KT, SHIFTING TO NW IN THE AFTERNOON.  
SEAS 3 TO 5 FT.    
WED NIGHT  
N WINDS LESS THAN 10 KT, SHIFTING TO W AFTER  
MIDNIGHT. SEAS 3 TO 5 FT.    
THU  
W WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
THU NIGHT  
SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
FRI  
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
FRI NIGHT  
VARIABLE WINDS LESS THAN 10 KT, BECOMING SE LESS  
THAN 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TONIGHT  
E WINDS 15 TO 20 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 3 FT GULF OF VENEZUELA, AND 4 TO 6 FT  
ELSEWHERE.    
MON  
E WINDS 10 TO 20 KT. SEAS 3 FT GULF OF VENEZUELA, AND  
4 TO 6 FT ELSEWHERE.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TUE  
E WINDS 10 TO 20 KT. SEAS 3 FT GULF OF VENEZUELA, AND  
4 TO 6 FT ELSEWHERE.    
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.    
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.    
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.  
 
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.    
MON  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE  
E WINDS 10 TO 15 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 5 TO 7 FT.    
WED NIGHT  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU  
E WINDS 10 TO 15 KT, SHIFTING TO NE IN THE AFTERNOON.  
SEAS 4 TO 6 FT.    
THU NIGHT  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI  
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
FRI NIGHT  
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN  
10 KT AFTER MIDNIGHT. SEAS 3 TO 5 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.    
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 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 4 TO 6 FT.    
THU  
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 4 TO 6 FT.    
THU NIGHT  
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT  
AFTER MIDNIGHT. SEAS 4 TO 6 FT.    
FRI  
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
FRI NIGHT  
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS  
A COLD FRONT FROM 31N57W TO HISPANIOLA WILL MOVE E  
OF THE AREA BY MIDWEEK. HIGH PRESSURE BUILDING BEHIND THE FRONT  
WILL LEAD TO INCREASING WINDS E OF THE BAHAMAS, WITH STRONG  
WINDS AND ROUGH SEAS LIKELY LATE MON INTO TUE NIGHT. A SURFACE  
TROUGH OFF THE SE UNITED STATES COAST MAY LEAST TO FRESH TO  
STRONG WINDS OFFSHORE NE FLORIDA EARLY THIS WEEK.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TONIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON NIGHT  
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TUE  
NE WINDS LESS THAN 10 KT. SEAS 6 TO 7 FT.   
TUE NIGHT  
NE WINDS LESS THAN 10 KT. SEAS 6 TO 7 FT.    
WED  
E WINDS 10 KT. SEAS 5 TO 6 FT.    
WED NIGHT  
E WINDS 10 KT. SEAS 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 TO 6 FT.    
FRI NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
TONIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
MON  
NE WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
TUE NIGHT  
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT  
AFTER MIDNIGHT. SEAS 5 TO 7 FT.    
WED  
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
WED NIGHT  
NE WINDS 10 KT. SEAS 4 TO 5 FT.    
THU  
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
THU NIGHT  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI  
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
FRI NIGHT  
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.  
 
BAHAMAS N OF 22N  
   
TONIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON  
E WINDS 10 TO 15 KT. SEAS 3 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 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 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 20 KT. SEAS 3 TO 5 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
TONIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON  
E WINDS 10 TO 20 KT W OF 70W, AND NE 15 TO 25 KT  
ELSEWHERE. SEAS 6 TO 9 FT.    
MON NIGHT  
E WINDS 15 TO 25 KT. SEAS 8 TO 10 FT.    
TUE  
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.    
TUE NIGHT  
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
WED  
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
WED NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
THU  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
THU NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
FRI  
NE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
FRI NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TONIGHT  
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON  
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
WED  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
WED NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
THU NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.    
FRI  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI NIGHT  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
MON  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
TUE NIGHT  
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
WED  
NE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.    
WED NIGHT  
NE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.    
THU  
NE WINDS 10 TO 15 KT. SEAS 6 FT.    
THU NIGHT  
NE WINDS 10 TO 15 KT. SEAS 6 FT.    
FRI  
NE WINDS 10 KT. SEAS 5 TO 6 FT.    
FRI NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.  
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