726  
FZNT31 KNHC 192046  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
346 PM EST WED FEB 19 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  
MODERATE TO FRESH TRADE WINDS AND MODERATE SEAS WILL  
CONTINUE OVER MOST SECTIONS OF THE CENTRAL AND EASTERN CARIBBEAN  
THROUGH EARLY SUN NIGHT, EXCEPT FOR STRONG TO NEAR GALE-FORCE  
WINDS AND ROUGH SEAS OFFSHORE OF COLOMBIA AND WITHIN AND NEAR  
THE GULF OF VENEZUELA. GENTLE TO MODERATE WINDS ALONG WITH  
SLIGHT TO MODERATE SEAS WILL PREVAIL IN THE NORTHWESTERN  
CARIBBEAN THROUGH THU NIGHT, THEN RETURN SAT NIGHT THROUGH SUN  
NIGHT. A WEAKENING FRONTAL BOUNDARY WILL APPROACH THE YUCATAN  
CHANNEL THU NIGHT INTO FRI, REACH THE WINDWARD PASSAGE FRI NIGHT  
INTO SAT BEFORE DISSIPATING SAT NIGHT. STRONG HIGH PRESSURE  
BUILDING IN THE WAKE OF THE FRONT N OF THE AREA WILL LEAD TO THE  
DEVELOPMENT OF FRESH TO STRONG NE WINDS IN THE LEE OF CUBA AND  
THE WINDWARD PASSAGE FRI EVENING THROUGH EARLY SUN. OTHERWISE,  
ROUGH SEAS IN EAST SWELL WILL CONTINUE EAST OF THE LESSER  
ANTILLES THROUGH FRI NIGHT, SUBSIDING AFTERWARD. HIGH PRESSURE  
OVER THE WESTERN ATLANTIC WEAKENS EARLY NEXT ALLOWING FOR THE  
FRESH TO STRONG WINDS TO DECREASE IN COVERAGE.  
 
NW CARIBBEAN W OF 85W  
   
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
THU NIGHT  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
FRI NIGHT  
NE 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 LESS THAN 10 KT. SEAS 4 TO 6 FT.    
SUN  
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SUN NIGHT  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
MON  
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.    
MON NIGHT  
NE WINDS LESS THAN 10 KT. SEAS 3 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TONIGHT  
E WINDS 10 TO 20 KT S OF 18N, AND E LESS THAN 10 KT  
ELSEWHERE. SEAS 4 TO 6 FT S OF 18N, AND 3 FT ELSEWHERE.    
THU  
E WINDS 10 TO 20 KT S OF 18N, AND E LESS THAN 10 KT  
ELSEWHERE. SEAS 4 TO 6 FT S OF 18N, AND 3 FT ELSEWHERE.    
THU NIGHT  
S OF 18N, E WINDS 10 TO 15 KT, SEAS 4 TO 6 FT.  
ELSEWHERE, 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  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT  
E WINDS 10 TO 20 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 3 TO 5 FT.   
MON NIGHT  
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
TONIGHT  
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.    
THU  
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,  
AND E 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.    
THU NIGHT  
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.    
FRI  
NE WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,  
AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT.    
FRI NIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT NIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SUN  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SUN NIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON  
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
SW CARIBBEAN S OF 11N  
   
TONIGHT  
NE 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 7 FT.    
FRI  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI NIGHT  
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SAT  
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SAT NIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SUN  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SUN NIGHT  
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
MON  
N WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
MON NIGHT  
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TONIGHT  
E WINDS 20 TO 30 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 5 TO 7 FT.    
THU  
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO 20 KT  
ELSEWHERE. SEAS 3 TO 5 FT GULF OF VENEZUELA, AND 5 TO 7 FT  
ELSEWHERE.    
THU NIGHT  
E WINDS 20 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 4 TO 6 FT.    
FRI  
NE WINDS 15 TO 20 KT GULF OF VENEZUELA, AND E 10 TO 20 KT  
ELSEWHERE. SEAS 4 TO 6 FT.    
FRI NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT  
E WINDS 10 TO 20 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 5 FT.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
THU  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
THU NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
FRI NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
SAT  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
MON 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 20 KT. SEAS 6 TO 9 FT.    
THU  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
THU NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
SAT  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SUN NIGHT  
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.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS  
A COLD FRONT EXTENDS FROM 31N47W TO 28N61W WHERE IT  
BECOMES STATIONARY TO 27N66W AND TO 25N73W. THE FRONT WILL BEGIN  
TO WEAKEN AS IT SHIFTS E OF 55W THIS EVENING ACROSS THE CENTRAL  
SUBTROPICAL ATLANTIC WATERS. FRESH TO STRONG SOUTHERLY WINDS  
WILL DEVELOP OVER THE NE FLORIDA OFFSHORE WATERS THIS AFTERNOON  
AHEAD OF THE NEXT COLD FRONT THAT IS FORECAST TO MOVE INTO THE NW  
FORECAST WATERS THIS AFTERNOON. THIS FRONT WILL REACH FROM NEAR  
31N77W TO VERO BEACH, FLORIDA TONIGHT, FROM NEAR 31N75W TO SOUTH  
FLORIDA EARLY THU, FROM NEAR 31N63W TO 26N70W AND TO EASTERN CUBA  
EARLY FRI, FROM NEAR 29N55W TO THE WINDWARD PASSAGE FRI NIGHT,  
THEN BEGIN TO WEAKEN AS IT REACHES FROM NEAR 26N55W TO 22N64W TO  
THE WINDWARD PASSAGE SAT NIGHT. FRESH TO STRONG WINDS ARE  
EXPECTED AHEAD AND BEHIND THIS FRONT NORTH OF ABOUT 27N THROUGH  
FRI. STRONG HIGH PRESSURE WILL BUILD SAT AND SAT NIGHT IN THE  
WAKE OF THE FRONT. THE RESULTANT TIGHT GRADIENT WILL BRING FRESH  
TO STRONG NORTHEAST WINDS TO THE STRAITS OF FLORIDA AND THE GREAT  
BAHAMA BANK PRIMARILY SOUTH OF 25N FRI NIGHT INTO SAT NIGHT.  
CONDITIONS BEGIN TO DIMINISH SUN AS A DRY COLD FRONT MOVES  
ACROSS THE NW PART INTO EARLY NEXT WEEK.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TONIGHT  
W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU  
NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
THU NIGHT  
N WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.    
FRI  
N WINDS 15 TO 20 KT. SEAS 7 TO 9 FT.    
FRI NIGHT  
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
SAT  
E WINDS 10 KT. SEAS 5 TO 7 FT.    
SAT NIGHT  
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SUN  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT  
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON  
SW WINDS 10 KT. SEAS 4 TO 6 FT.    
MON NIGHT  
NW WINDS 10 KT. SEAS 3 TO 5 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
TONIGHT  
SW WINDS 10 TO 20 KT W OF 70W, AND S 15 TO 25 KT  
ELSEWHERE. SEAS 6 TO 8 FT.    
THU  
W WINDS 10 TO 20 KT W OF 70W, AND SW 15 TO 25 KT  
ELSEWHERE. SEAS 6 TO 9 FT.    
THU NIGHT  
NW WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
FRI  
N WINDS 10 TO 20 KT. SEAS 8 TO 13 FT.    
FRI NIGHT  
N WINDS 10 TO 20 KT. SEAS 8 TO 13 FT.    
SAT  
NE WINDS 10 TO 15 KT. SEAS 8 TO 11 FT.    
SAT NIGHT  
NE WINDS 10 KT. SEAS 6 TO 9 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SUN NIGHT  
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON  
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON NIGHT  
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
BAHAMAS N OF 22N  
   
TONIGHT  
SW WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT.   
THU  
SW WINDS LESS THAN 10 KT, SHIFTING TO NW IN THE  
AFTERNOON. SEAS 2 TO 4 FT.    
THU NIGHT  
N WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.    
FRI  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI NIGHT  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT  
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON  
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT  
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
TONIGHT  
S WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
THU  
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
THU NIGHT  
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI  
W OF 70W, N WINDS 10 TO 20 KT. ELSEWHERE, SW WINDS LESS  
THAN 10 KT, BECOMING NW 10 TO 20 KT IN THE AFTERNOON. SEAS 6 TO  
9 FT.    
FRI NIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT  
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SAT NIGHT  
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON  
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
MON NIGHT  
S WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TONIGHT  
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU  
SE 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  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT  
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
SUN NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
MON  
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON NIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
THU  
E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.    
THU NIGHT  
SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
FRI  
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
FRI NIGHT  
E WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.   
SAT  
E WINDS 10 KT. SEAS 5 TO 7 FT.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
SUN NIGHT  
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.    
MON  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.  
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