284  
FZNT31 KNHC 210143  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
843 PM EST THU FEB 20 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  
PREVAIL OVER MOST SECTIONS OF THE CENTRAL AND EASTERN CARIBBEAN  
THROUGH MON NIGHT, EXCEPT FOR STRONG TO NEAR GALE-FORCE WINDS  
AND ROUGH SEAS OFFSHORE OF COLOMBIA AND WITHIN AND NEAR THE GULF  
OF VENEZUELA. A COLD FRONT OVER THE NW CARIBBEAN WILL STALL FROM  
THE WINDWARD PASSAGE TO NEAR 18N85W, WHERE IT WILL GRADUALLY  
DISSIPATE THROUGH THE WEEKEND. STRONG HIGH PRESSURE BUILDING IN  
THE WAKE OF THE FRONT WILL BRING 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 SAT, SUBSIDING AFTERWARD.  
 
NW CARIBBEAN W OF 85W  
   
TONIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT, BUILDING TO  
5 TO 7 FT AFTER MIDNIGHT.    
FRI
 
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI NIGHT
 
NE WINDS 10 TO 20 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, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 5 FT.    
SUN NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TUE
 
NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
TUE NIGHT
 
N WINDS 10 TO 15 KT, SHIFTING TO NE AFTER MIDNIGHT.  
SEAS 3 TO 4 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TONIGHT
 
S OF 18N, E WINDS 10 TO 15 KT. ELSEWHERE, NE WINDS  
LESS THAN 10 KT, INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS  
4 TO 6 FT S OF 18N, AND 3 TO 4 FT ELSEWHERE.    
FRI
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
NE WINDS 10 TO 20 KT S OF 18N, AND NE 15 TO 25 KT  
ELSEWHERE. SEAS 4 TO 6 FT.    
SAT
 
E 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 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
TUE
 
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TUE NIGHT
 
N WINDS LESS THAN 10 KT. SEAS 3 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
TONIGHT
 
E WINDS 20 TO 30 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 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
 
E WINDS 20 TO 30 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT.    
SAT
 
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,  
AND NE 10 TO 20 KT ELSEWHERE. 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
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE
 
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
SW CARIBBEAN S OF 11N  
   
TONIGHT
 
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 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
 
N WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
MON
 
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
MON NIGHT
 
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
TUE
 
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
TUE NIGHT
 
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TONIGHT
 
E WINDS 20 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 5 TO 6 FT.    
FRI
 
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO 20 KT  
ELSEWHERE. SEAS 5 TO 6 FT.    
FRI NIGHT
 
NE WINDS 20 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 5 TO 6 FT.    
SAT
 
NE WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO 20 KT  
ELSEWHERE. 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 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 4 TO 6 FT.    
TUE 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 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 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 15 KT. SEAS 6 TO 8 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.  
 
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.    
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.    
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.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS
 
A COLD FRONT EXTENDS FROM NEAR 31N67W SOUTHWESTWARD  
TO WEST-CENTRAL CUBA. THE FRONT WILL WEAKEN AS IT REACHES FROM  
NEAR 26N55W TO 24N60W, CONTINUING AS A STATIONARY FRONT TO HAITI  
SAT NIGHT AND DISSIPATING SOON AFTERWARD. ITS REMNANT TROUGH WILL  
DRIFT BACK WEST TOWARD THE SOUTHEASTERN BAHAMAS THROUGH MON  
WHILE DISSIPATING. STRONG HIGH PRESSURE IN THE WAKE OF THE FRONT  
WILL LEAD TO FRESH TO STRONG NORTHEAST WINDS SOUTH OF 25N,  
INCLUDING THE STRAITS OF FLORIDA AND THE GREAT BAHAMA BANK FRI  
NIGHT INTO SAT NIGHT. CONDITIONS BEGIN TO IMPROVE BEGINNING SUN  
MORNING AND INTO EARLY NEXT WEEK AS A WEAK COLD FRONT MOVES  
ACROSS THE WESTERN PART OF THE AREA.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TONIGHT
 
N WINDS 15 TO 25 KT. SEAS 7 TO 9 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 TO 15 KT. SEAS 5 TO 7 FT.    
SAT NIGHT
 
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SUN
 
SW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
SW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN  
10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
TUE
 
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TUE NIGHT
 
NW WINDS LESS THAN 10 KT. SEAS 3 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
TONIGHT
 
NW WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.    
FRI
 
N WINDS 10 TO 20 KT. SEAS 8 TO 12 FT.    
FRI NIGHT
 
N WINDS 10 TO 20 KT. SEAS 8 TO 12 FT.    
SAT
 
NE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT W OF 70W, AND 9 TO  
12 FT ELSEWHERE.    
SAT NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.    
SUN
 
NE WINDS LESS THAN 10 KT, SHIFTING TO E IN THE AFTERNOON.  
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 5 FT.    
MON NIGHT
 
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
TUE
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
SW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.  
 
BAHAMAS N OF 22N  
   
TONIGHT
 
N WINDS 10 TO 20 KT. SEAS 3 TO 5 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
 
SE WINDS 10 TO 15 KT, SHIFTING TO S IN THE AFTERNOON.  
SEAS 3 TO 4 FT.    
MON NIGHT
 
SW WINDS LESS THAN 10 KT IN THE EVENING, BECOMING  
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TUE
 
SW WINDS LESS THAN 10 KT. SEAS 3 FT.    
TUE NIGHT
 
W WINDS LESS THAN 10 KT IN THE EVENING, BECOMING  
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
TONIGHT
 
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 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 8 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 15 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 4 TO 6 FT.    
TUE
 
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TONIGHT
 
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT  
AFTER MIDNIGHT. 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 6 TO 8 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 5 TO 7 FT.    
MON NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE NIGHT
 
S 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 15 KT. SEAS 6 TO 9 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 6 TO 9 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 6 TO 8 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.    
MON NIGHT
 
E WINDS 15 KT. SEAS 6 TO 7 FT.    
TUE
 
SE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.    
TUE NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.  
 
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