791  
FZNT31 KNHC 281502  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1102 AM EDT FRI MAR 28 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  
1031 MB HIGH PRESSURE CENTERED OFFSHORE OF CAPE  
HATTERAS WILL DRIFT SLOWLY EASTWARD AND COMBINE WITH THE  
COLOMBIAN LOW TO SUPPORT PULSING WINDS NEAR GALE FORCE AT NIGHT  
AND DURING THE EARLY MORNING HOURS OFFSHORE OF COLOMBIA THROUGH  
MON MORNING. FRESH TO STRONG WINDS IN THE LEE OF CUBA, AND IN  
THE WINDWARD PASSAGE WILL PERSIST THROUGH TONIGHT. SIMILAR WIND  
SPEEDS ARE EXPECTED IN THE GULF OF HONDURAS AND SOUTH OF  
HISPANIOLA THROUGH THE UPCOMING WEEKEND AND INTO EARLY NEXT  
WEEK. MODERATE TO FRESH WINDS WILL PREVAIL ELSEWHERE. LARGE E  
SWELL WILL IMPACT THE ATLANTIC PASSAGES THIS WEEKEND BUILDING  
SEAS TO AROUND 8 FT.  
 
NW CARIBBEAN W OF 85W  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SAT  
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN  
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN NIGHT  
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON  
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 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 5 TO 7 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 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 5 TO 7 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 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.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TONIGHT  
NE WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.    
SAT  
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,  
AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT.    
SAT NIGHT  
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT.    
SUN  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON NIGHT  
E 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.  
 
SW CARIBBEAN S OF 11N  
   
THIS AFTERNOON  
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
TONIGHT  
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
SAT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SUN  
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
SUN NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
MON  
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
MON NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TONIGHT  
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 5 TO 7 FT.    
SAT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SAT NIGHT  
E WINDS 20 TO 30 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 3 TO 5 FT GULF OF VENEZUELA, AND 6 TO 8 FT  
ELSEWHERE.    
SUN  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TUE  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TUE NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SUN  
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
MON  
E WINDS 10 TO 20 KT. SEAS 7 TO 10 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.  
 
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO  
15N W OF 55W  
   
THIS AFTERNOON  
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SUN  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
MON  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 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.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS  
1031 MB HIGH PRESSURE IS CENTERED JUST OFFSHORE OF  
CAPE HATTERAS, WHILE A COLD FRONT EXTENDS FROM 31N55W TO NEAR  
INAGUA ISLAND IN THE SE BAHAMAS. THE HIGH WILL DRIFT SLOWLY  
EASTWARD THROUGH THE WEEKEND, AS THE FRONT MOVES SE AND  
GRADUALLY BECOMES E TO W ALIGNED ALONG ABOUT 23N BY LATE SAT  
WHILE WEAKENING. EXPECT FRESH TO STRONG NE TO E WINDS AND  
BUILDING SEAS UP TO 12 FT N OF THE FRONT. WINDS AND SEAS WILL  
START TO DECREASE LATER IN THE WEEKEND AS THE HIGH PRESSURE  
SHIFTS EASTWARD OF BERMUDA AND WEAKENS. ANOTHER COLD FRONT WILL  
MOVE OFF THE SE UNITED STATES COAST BY EARLY TUE.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TONIGHT  
SE WINDS 15 TO 20 KT. SEAS 6 TO 9 FT.    
SAT  
SE WINDS 15 TO 20 KT. SEAS 6 TO 9 FT.    
SAT NIGHT  
SE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.    
SUN  
SE WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.    
SUN NIGHT  
S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON  
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
MON NIGHT  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE  
W WINDS 10 TO 15 KT, SHIFTING TO NW IN THE AFTERNOON.  
SEAS 5 TO 7 FT.    
TUE NIGHT  
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT W OF 70W, AND NE 15 TO  
25 KT ELSEWHERE. SEAS 6 TO 9 FT.    
TONIGHT  
E WINDS 10 TO 20 KT W OF 70W, AND E 15 TO 25 KT  
ELSEWHERE. SEAS 6 TO 9 FT.    
SAT  
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SUN  
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
SUN NIGHT  
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON  
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON NIGHT  
S WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.    
TUE  
S WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.    
TUE NIGHT  
S WINDS 10 TO 15 KT, SHIFTING TO SE AFTER MIDNIGHT.  
SEAS 5 TO 7 FT.  
 
BAHAMAS N OF 22N  
   
THIS AFTERNOON  
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.    
TONIGHT  
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
SAT  
E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN  
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT  
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
MON  
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
MON NIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE  
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
THIS AFTERNOON  
NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.    
TONIGHT  
E WINDS 15 TO 25 KT. SEAS 8 TO 13 FT.    
SAT  
E WINDS 15 TO 25 KT. SEAS 9 TO 12 FT.    
SAT NIGHT  
E WINDS 15 TO 20 KT. SEAS 9 TO 11 FT.    
SUN  
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.    
SUN NIGHT  
E WINDS 15 TO 20 KT. SEAS 8 TO 9 FT.    
MON  
SE WINDS 15 TO 20 KT. SEAS 7 TO 9 FT.    
MON NIGHT  
SE WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.    
TUE  
SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE NIGHT  
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT  
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SUN  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
MON  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 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 5 TO 7 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
THIS AFTERNOON  
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT  
E WINDS 15 TO 20 KT. SEAS 7 TO 9 FT.    
SAT NIGHT  
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.    
SUN  
E WINDS 15 TO 20 KT. SEAS 9 TO 10 FT.    
SUN NIGHT  
E WINDS 15 TO 20 KT. SEAS 9 FT.    
MON  
E WINDS 20 KT. SEAS 9 TO 10 FT.    
MON NIGHT  
E WINDS 20 KT. SEAS 8 TO 10 FT.    
TUE  
E WINDS 15 TO 20 KT. SEAS 8 TO 9 FT.    
TUE NIGHT  
E WINDS 15 TO 20 KT. SEAS 8 TO 9 FT.  
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