162  
FZNT31 KNHC 090929  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
529 AM EDT FRI MAY 9 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  
HIGH PRESSURE NORTH OF THE AREA SUPPORTS PULSING  
FRESH TO LOCALLY STRONG EAST TO SOUTHEAST WINDS IN THE GULF OF  
HONDURAS AT NIGHT THROUGH SAT NIGHT. MODERATE TO LOCALLY FRESH  
TRADES AND SLIGHT TO MODERATE SEAS ARE FORECAST OVER THE  
REMAINDER OF THE BASIN THROUGH TODAY, INCLUDING THE WATERS E OF  
THE LESSER ANTILLES. EXPECT INCREASING WINDS AND BUILDING  
MODERATE TO ROUGH SEAS, MAINLY OVER THE SOUTH-CENTRAL CARIBBEAN,  
INCLUDING OFF COLOMBIA THIS UPCOMING WEEKEND INTO EARLY NEXT  
WEEK AS THE ATLANTIC HIGH PRESSURE BUILDS WESTWARD.  
 
NW CARIBBEAN W OF 85W  
   
TODAY  
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT  
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN  
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN NIGHT  
SE WINDS LESS THAN 10 KT, SHIFTING TO N AFTER  
MIDNIGHT. SEAS 3 TO 4 FT.    
MON  
NE WINDS LESS THAN 10 KT. SEAS 3 FT.    
MON NIGHT  
E WINDS LESS THAN 10 KT. SEAS 3 FT.    
TUE  
E WINDS LESS THAN 10 KT. SEAS 3 FT.    
TUE NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TODAY  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
SAT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT S OF 18N, AND 3 TO  
4 FT ELSEWHERE.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT S OF 18N, AND  
3 TO 4 FT ELSEWHERE.    
SUN  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 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 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  
   
TODAY  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TONIGHT  
NE WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 4 TO 6 FT.    
SAT  
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.    
SAT NIGHT  
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.    
SUN  
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
SUN NIGHT  
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
MON  
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
MON NIGHT  
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
TUE  
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
TUE NIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.  
 
SW CARIBBEAN S OF 11N  
   
TODAY  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TONIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT NIGHT  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN  
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 5 TO 7 FT.    
SUN NIGHT  
N WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.    
MON  
N WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.    
MON NIGHT  
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE  
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
TUE NIGHT  
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TODAY  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TONIGHT  
NE WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 3 TO 5 FT.    
SAT  
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO 20 KT  
ELSEWHERE. SEAS 4 TO 6 FT.    
SAT NIGHT  
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 5 TO 7 FT.    
SUN  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 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 4 TO 6 FT.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
TODAY  
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
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 20 KT. SEAS 5 TO 7 FT.    
SUN  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 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.  
 
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO  
15N W OF 55W  
   
TODAY  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 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 5 TO 7 FT.    
MON  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TUE  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS  
LOW PRES CENTERED BETWEEN BERMUDA AND HISPANIOLA  
SUPPORTS MODERATE TO FRESH SE WINDS AND MODERATE TO ROUGH SEAS  
OVER MUCH OF THE WATERS E OF 65W. THESE MARINE CONDITIONS WILL  
START TO GRADUALLY DIMINISH LATER TODAY. THE LOW PRESSURE WILL  
MEANDER NEAR 27N BETWEEN 65W AND 70W TODAY, AND OPEN UP INTO A  
TROUGH BY SAT MORNING. THEN, THE ATLANTIC HIGH PRESSURE WILL  
BUILD WESTWARD TOWARD THE BAHAMAS THIS UPCOMING WEEKEND.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TODAY  
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
TONIGHT  
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SAT  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT  
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 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 15 TO 20 KT. SEAS 5 TO 7 FT.    
MON NIGHT  
SE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.    
TUE  
S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TUE NIGHT  
SW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
TODAY  
SW WINDS LESS THAN 10 KT W OF 70W, AND SE 10 TO 15 KT  
ELSEWHERE. SEAS 4 TO 6 FT.    
TONIGHT  
W WINDS LESS THAN 10 KT W OF 70W, AND S 10 TO 15 KT  
ELSEWHERE. SEAS 4 TO 6 FT.    
SAT  
S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
SAT NIGHT  
W OF 70W, NW WINDS LESS THAN 10 KT, SHIFTING TO E  
AFTER MIDNIGHT. ELSEWHERE, SE WINDS LESS THAN 10 KT. SEAS 3 TO  
5 FT.    
SUN  
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.    
SUN NIGHT  
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 4 TO 5 FT.    
MON  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE  
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE NIGHT  
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
BAHAMAS N OF 22N  
   
TODAY  
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
TONIGHT  
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 FT.    
SAT  
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.    
SUN  
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
SUN NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON NIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE  
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE NIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
TODAY  
E WINDS LESS THAN 10 KT IN THE MORNING, BECOMING  
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.    
TONIGHT  
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.    
SAT  
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.    
SAT NIGHT  
W OF 70W, E WINDS LESS THAN 10 KT, INCREASING TO  
10 TO 15 KT AFTER MIDNIGHT. ELSEWHERE, E WINDS 10 TO 15 KT. SEAS  
4 TO 5 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SUN NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 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  
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TODAY  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 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 20 KT. SEAS 4 TO 6 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.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
TODAY  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
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 20 KT. SEAS 6 TO 8 FT.    
SUN  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SUN NIGHT  
E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.    
MON  
E WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.    
TUE  
E WINDS 15 KT. SEAS 6 TO 7 FT.    
TUE NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.  
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