034  
FZNT31 KNHC 091935  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
335 PM EDT WED APR 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
 
A FRONTAL BOUNDARY FROM CUBA TO HONDURAS WILL  
GRADUALLY DISSIPATE THROUGH THU. FRESH TO STRONG N WINDS W OF  
THE FRONT WILL DIMINISH THROUGH EARLY THIS EVENING, WITH FRESH  
WINDS THEN CONTINUING OFF HONDURAS THROUGH THE WEEKEND. WINDS  
WILL STRENGTHEN OFF NICARAGUA FRI NIGHT AND CONTINUE THROUGH  
MUCH OF THE WEEKEND BEFORE DIMINISHING. ELSEWHERE, MODERATE TO  
FRESH TRADES WILL PREVAIL IN THE SOUTH- CENTRAL CARIBBEAN INTO  
THE WEEKEND BEFORE STRENGTHENING EARLY NEXT WEEK. ROUGH SEAS IN  
N SWELL OVER THE ATLANTIC WATERS EAST OF THE LESSER ANTILLES  
WILL SUBSIDE THROUGH THU.  
 
NW CARIBBEAN W OF 85W  
   
TONIGHT
 
N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU
 
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI
 
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
FRI NIGHT
 
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT
 
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SUN NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TONIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI
 
S OF 18N, NE WINDS 10 TO 15 KT. ELSEWHERE, NE WINDS 10 TO  
15 KT, DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS  
3 TO 5 FT.    
FRI NIGHT
 
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
TONIGHT
 
NE WINDS 10 TO 20 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND NE 10 TO 15 KT ELSEWHERE. SEAS 4 TO 5 FT.    
THU
 
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI
 
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT
 
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN
 
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.  
 
SW CARIBBEAN S OF 11N  
   
TONIGHT
 
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU
 
N WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 5 FT.    
THU NIGHT
 
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI
 
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI NIGHT
 
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT
 
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT NIGHT
 
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN
 
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON
 
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
MON NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TONIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU
 
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF VENEZUELA,  
AND 4 TO 6 FT ELSEWHERE.    
THU NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI
 
E WINDS 10 TO 20 KT. SEAS 3 FT GULF OF VENEZUELA, AND  
4 TO 6 FT ELSEWHERE.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SAT
 
E WINDS 10 TO 15 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 3 TO 5 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 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 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 15 KT. SEAS 4 TO 6 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.    
THU
 
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
FRI NIGHT
 
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 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 4 TO 6 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.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS
 
A FRONTAL BOUNDARY EXTENDS FROM JUST WEST OF BERMUDA  
TO CENTRAL CUBA, WITH WEAK LOW PRES ALONG THE FRONT NEAR  
29N75.5W. GALE FORCE WINDS ASSOCIATED WITH THE LOW NORTH OF 29N  
BETWEEN 73W-77W WILL DIMINISH TONIGHT. THE LOW WILL GRADUALLY  
WEAKEN THROUGH THE END OF THE WEEK, WITH CONDITIONS IMPROVING. A  
WEAKER COLD FRONT WILL MOVE OFF THE COAST OF FLORIDA LATE FRI.  
THE FRONT WILL SHIFT ACROSS THE FORECAST WATERS, FOLLOWED BY  
MODERATE TO FRESH W TO NW WINDS. HIGH PRES WILL BUILD IN THE  
WAKE  
OF THE FRONT.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TONIGHT
 
NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.    
THU
 
NE WINDS 15 TO 25 KT. SEAS 8 TO 13 FT.    
THU NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.    
FRI
 
NE WINDS LESS THAN 10 KT, SHIFTING TO W IN THE AFTERNOON.  
SEAS 4 TO 6 FT.    
FRI NIGHT
 
W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT
 
NW WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.    
SAT NIGHT
 
NW WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.    
SUN
 
W WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SUN NIGHT
 
NW WINDS 10 TO 15 KT, SHIFTING TO N AFTER MIDNIGHT.  
SEAS 4 TO 6 FT.    
MON
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
S WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 TO 5 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
..GALE WARNING
 
 
   
TONIGHT
 
N OF 30N AND W OF 73W, NE TO E WINDS 25 TO 35  
KT DIMINISH TO 20 TO 25 KT. ELSEWHERE, SE WINDS 10 TO 20 KT.  
SEAS 8 TO 13 FT W OF 70W, AND 5 TO 7 FT ELSEWHERE.    
THU
 
SE WINDS 10 TO 15 KT. SEAS 8 TO 11 FT W OF 70W, AND 5 TO  
7 FT ELSEWHERE.    
THU NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT W OF 70W, AND  
5 TO 6 FT ELSEWHERE.    
FRI
 
SE WINDS 10 TO 15 KT, SHIFTING TO S IN THE AFTERNOON.  
SEAS 5 TO 6 FT.    
FRI NIGHT
 
S WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 4 TO 5 FT.    
SAT
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SAT NIGHT
 
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN
 
W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON
 
NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON NIGHT
 
NW WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN  
10 KT AFTER MIDNIGHT. SEAS 6 TO 9 FT.  
 
BAHAMAS N OF 22N  
   
TONIGHT
 
NW WINDS 10 TO 15 KT. SEAS 3 FT.    
THU
 
NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI
 
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
FRI NIGHT
 
N WINDS LESS THAN 10 KT. SEAS 3 FT IN THE EVENING,  
SUBSIDING TO 2 FT OR LESS.    
SAT
 
NW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SAT NIGHT
 
N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS,  
BUILDING TO 3 FT AFTER MIDNIGHT.    
SUN
 
N WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING,  
SUBSIDING TO 2 FT OR LESS.    
SUN NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
TONIGHT
 
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU
 
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
FRI
 
S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
FRI NIGHT
 
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 4 TO 5 FT.    
SAT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN
 
S WINDS 10 TO 15 KT, SHIFTING TO NW IN THE AFTERNOON.  
SEAS 3 TO 5 FT.    
SUN NIGHT
 
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 4 TO 5 FT.    
MON
 
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI
 
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE  
AFTERNOON. 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 4 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
NE WINDS 10 TO 20 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 7 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 5 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 6 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
 
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 4 TO 6 FT.    
MON NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.  
 
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