592  
FZNT31 KNHC 090258  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1058 PM EDT THU MAY 8 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
 
PULSING FRESH TO LOCALLY STRONG EAST TO SOUTHEAST  
WINDS ARE EXPECTED JUST N OF HONDURAS AT NIGHT THROUGH SAT  
NIGHT. GENTLE TO MODERATE TRADES AND SLIGHT TO MODERATE SEAS ARE  
FORECAST OVER THE REMAINDER OF THE BASIN THROUGH FRI, 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 AS THE  
ATLANTIC HIGH PRESSURE BUILDS WESTWARD.  
 
NW CARIBBEAN W OF 85W  
   
OVERNIGHT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
FRI
 
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
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, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. 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
 
SE WINDS LESS THAN 10 KT. SEAS 3 FT.   
TUE
 
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS 3 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
OVERNIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 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 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 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.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
OVERNIGHT
 
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
 
NE WINDS 15 TO 20 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. SEAS 5 TO 7 FT.    
SUN
 
E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.    
SUN NIGHT
 
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
MON
 
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.    
MON NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE
 
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.  
 
SW CARIBBEAN S OF 11N  
   
OVERNIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
FRI
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
FRI NIGHT
 
NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
SAT
 
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 5 FT.    
SAT NIGHT
 
N WINDS LESS THAN 10 KT, SHIFTING TO NE AFTER  
MIDNIGHT. SEAS 4 TO 6 FT.    
SUN
 
NE WINDS 10 TO 15 KT, SHIFTING TO N IN THE AFTERNOON.  
SEAS 4 TO 6 FT.    
SUN NIGHT
 
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 5 TO 7 FT.    
MON
 
NE WINDS 10 TO 15 KT, SHIFTING TO N IN THE AFTERNOON.  
SEAS 5 TO 7 FT.    
MON NIGHT
 
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 5 TO 7 FT.    
TUE
 
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 5 TO 7 FT.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
OVERNIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI
 
GULF OF VENEZUELA, E WINDS 10 TO 15 KT, DIMINISHING TO  
LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, E WINDS 10 TO  
15 KT. SEAS 3 TO 4 FT.    
FRI NIGHT
 
E WINDS 10 TO 20 KT. 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 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 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.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
OVERNIGHT
 
E WINDS LESS THAN 10 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 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 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 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 5 TO 7 FT.  
 
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO  
15N W OF 55W  
   
OVERNIGHT
 
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.    
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 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 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 DIMINISH BY FRI. THE LOW PRESSURE WILL MEANDER NEAR 27N  
BETWEEN 65W AND 70W THROUGH FRI, 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  
   
OVERNIGHT
 
S WINDS 10 TO 15 KT. SEAS 4 FT.    
FRI
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT
 
SE WINDS LESS THAN 10 KT, SHIFTING TO S IN THE AFTERNOON.  
SEAS 3 TO 4 FT.    
SAT NIGHT
 
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
SUN
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SUN NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
MON
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TUE
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE NIGHT
 
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
OVERNIGHT
 
E WINDS LESS THAN 10 KT W OF 70W, AND E 10 TO 15 KT  
ELSEWHERE. SEAS 5 TO 7 FT.    
FRI
 
W OF 70W, NE WINDS LESS THAN 10 KT, SHIFTING TO W IN THE  
AFTERNOON. ELSEWHERE, SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI NIGHT
 
SW WINDS LESS THAN 10 KT W OF 70W, AND S 10 TO  
15 KT ELSEWHERE. SEAS 4 TO 6 FT.    
SAT
 
W OF 70W, VARIABLE WINDS LESS THAN 10 KT, BECOMING S LESS  
THAN 10 KT IN THE AFTERNOON. ELSEWHERE, SW WINDS 10 TO 15 KT,  
DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT.   
SAT NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SUN
 
E 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 5 FT.    
TUE
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
BAHAMAS N OF 22N  
   
OVERNIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
FRI
 
SE WINDS LESS THAN 10 KT. SEAS 3 FT.    
FRI NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
SAT
 
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
SAT NIGHT
 
E WINDS 10 TO 20 KT. SEAS 3 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 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  
   
OVERNIGHT
 
NE WINDS LESS THAN 10 KT W OF 70W, AND W 10 TO  
15 KT ELSEWHERE. SEAS 4 TO 6 FT.    
FRI
 
S WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.    
FRI NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.   
SAT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 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 5 TO 6 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
OVERNIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
FRI NIGHT
 
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 15 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  
   
OVERNIGHT
 
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 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 20 KT. SEAS 5 TO 7 FT.    
SUN
 
E WINDS 15 TO 20 KT. SEAS 6 TO 7 FT.    
SUN NIGHT
 
E WINDS 15 TO 20 KT. SEAS 6 TO 7 FT.    
MON
 
E WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.    
MON NIGHT
 
E WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.    
TUE NIGHT
 
E WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.  
 
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