693  
FZNT31 KNHC 081504  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1104 AM 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 EAST TO SOUTHEAST WINDS TO FRESH TO STRONG  
SPEEDS ARE EXPECTED N OF HONDURAS AT NIGHT THROUGH SAT EVENING.  
GENTLE TO MODERATE TRADES AND SLIGHT TO MODERATE SEAS ARE  
FORECAST OVER THE REMAINDER OF THE BASIN THROUGH FRI, INCLUDING  
IN THE TROPICAL N ATLANTIC, BEFORE INCREASING THIS WEEKEND AS  
THE ATLANTIC HIGH PRESSURE BUILDS WESTWARD. AS A RESULT, WINDS  
WILL START TO INCREASE TO FRESH SPEEDS IN THE CENTRAL CARIBBEAN  
AND OFF COLOMBIA FRI NIGHT, THEN TO FRESH TO STRONG SPEEDS SAT  
THROUGH THE REMAINDER OF THE UPCOMING WEEKEND AND INTO NEXT  
WEEK. UNSETTLED WEATHER IS EXPECTED TO CONTINUE OVER THE EASTERN  
CARIBBEAN THROUGH AT LEAST TODAY.  
 
NW CARIBBEAN W OF 85W  
   
THIS AFTERNOON  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TONIGHT  
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 3 TO 5 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  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
MON  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
THIS AFTERNOON  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TONIGHT  
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 5 TO 7 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
THIS AFTERNOON  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT  
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 10 TO 20 KT. 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 6 TO 9 FT.    
MON NIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.  
 
SW CARIBBEAN S OF 11N  
   
THIS AFTERNOON  
E WINDS LESS THAN 10 KT. SEAS 3 FT.    
TONIGHT  
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. SEAS 3 TO 5 FT.    
SAT NIGHT  
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
SUN  
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
SUN NIGHT  
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 4 TO 6 FT.    
MON  
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT 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.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
THIS AFTERNOON  
S WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND  
E 10 TO 15 KT ELSEWHERE. SEAS 3 TO 4 FT.    
TONIGHT  
GULF OF VENEZUELA, NE WINDS LESS THAN 10 KT, SHIFTING  
TO E AFTER MIDNIGHT. ELSEWHERE, 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  
NE WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 3 TO 5 FT.    
SAT  
E WINDS 10 TO 20 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 5 TO 7 FT.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
THIS AFTERNOON  
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
TONIGHT  
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. 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 15 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.  
 
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO  
15N W OF 55W  
   
THIS AFTERNOON  
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
TONIGHT  
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.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS  
THE PRESSURE GRADIENT BETWEEN A 1015 MB LOW PRESSURE  
CENTERED NEAR 26.5N67W WITH ASSOCIATED TROUGH AND HIGH PRESSURE  
LOCATED OVER THE CENTRAL ATLANTIC IS SUPPORTING FRESH TO LOCALLY  
STRONG E TO SE WINDS AND MODERATE TO ROUGH SEAS NE OF THE LOW  
CENTER. THESE MARINE CONDITIONS WILL CONTINUE TO AFFECT THE NE  
WATERS TODAY BEFORE DIMINISHING BY FRI. THE LOW PRESSURE WILL  
MEANDER NEAR 27N BETWEEN 65W AND 70W THROUGH FRI, AND OPEN UP  
INTO A TROUGH BY SAT MORNING. A STATIONARY FRONT ALONG AND JUST  
OFFSHORE THE SOUTHEASTERN U.S. COAST WILL GRADUALLY LIFT BACK  
NORTHWEST AS WARM FRONT TODAY, THEN MAY SLOWLY PUSH OFFSHORE  
AGAIN AT THE END OF THE WEEK AND INTO THE UPCOMING WEEKEND.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
THIS AFTERNOON  
SW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TONIGHT  
S WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
FRI  
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI NIGHT  
S WINDS LESS THAN 10 KT, SHIFTING TO SW AFTER  
MIDNIGHT. SEAS 3 TO 4 FT.    
SAT  
S WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS 3 TO 4 FT.    
SAT NIGHT  
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SUN  
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT  
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
MON  
SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
MON NIGHT  
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
THIS AFTERNOON  
N WINDS LESS THAN 10 KT W OF 70W, AND E 10 TO  
15 KT ELSEWHERE. SEAS 5 TO 7 FT.    
TONIGHT  
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  
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 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 4 TO 5 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
BAHAMAS N OF 22N  
   
THIS AFTERNOON  
SE WINDS LESS THAN 10 KT. SEAS 3 FT.    
TONIGHT  
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 FT.    
FRI  
SE WINDS LESS THAN 10 KT. SEAS 3 FT.    
FRI NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT.    
SAT  
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 3 FT.    
SUN NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT.    
MON  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
THIS AFTERNOON  
W OF 70W, NE WINDS LESS THAN 10 KT. ELSEWHERE,  
NW WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. SEAS 4 TO 6 FT.    
TONIGHT  
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 5 FT.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 3 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 5 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
THIS AFTERNOON  
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TONIGHT  
NE 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 3 TO 5 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.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
THIS AFTERNOON  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TONIGHT  
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 15 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 15 KT. SEAS 6 TO 7 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.  
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