456  
FZNT31 KNHC 170733  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
333 AM EDT TUE JUN 17 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.  
 
NOTICE: THE NATIONAL WEATHER SERVICE REQUESTS FEEDBACK ON A  
PROPOSAL TO DISCONTINUE THE VOBRA PRODUCT. SEE  
HTTPS://WWW.WEATHER.GOV/MEDIA/NOTIFICATION/PDF_2025/  
PNS25-33_VOBRA_DISCONTINUATION_2025.PDF FOR THE PROPOSAL.  
SUBMIT COMMENTS BY EMAIL THROUGH JUNE 25TH, 2025 TO:  
MARINE.WEATHER@NOAA.GOV  
 
SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM  
07N TO 19N W OF 55W  
   
SYNOPSIS  
FRESH TO NEAR GALE FORCE EASTERLY WINDS AND ROUGH  
SEAS TO 11 FT ARE FORECAST ACROSS THE CENTRAL AND PORTIONS OF  
THE SW CARIBBEAN THROUGH SAT NIGHT DUE TO A PREVALENT ATLANTIC  
SUBTROPICAL RIDGE EXTENDING SOUTHWARD INTO THE NORTHERN  
CARIBBEAN. FRESH TO STRONG TRADES WILL PULSE AT NIGHT IN THE  
GULF OF HONDURAS THROUGH TODAY AND THEN STAY STRONG THROUGH THU  
WHILE EXPANDING NORTHWARD AS THE BERMUDA HIGH BUILDS. ROUGH SEAS  
ARE EXPECTED IN THE GULF OF HONDURAS AND OTHER PORTIONS OF THE  
NW CARIBBEAN TONIGHT THROUGH WED NIGHT. GENTLE TO MODERATE WINDS  
AND MODERATE SEAS ARE EXPECTED ELSEWHERE THROUGH SAT NIGHT.  
 
NW CARIBBEAN W OF 85W  
   
TODAY  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
WED AND WED NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
THU THROUGH SAT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TODAY  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT S OF 18N, AND  
4 TO 6 FT ELSEWHERE.    
TONIGHT  
E WINDS 15 TO 25 KT S OF 18N, AND E 10 TO 15 KT  
ELSEWHERE. SEAS 7 TO 10 FT S OF 18N, AND 4 TO 6 FT ELSEWHERE.    
WED AND WED NIGHT  
E WINDS 15 TO 25 KT S OF 18N, AND E 10 TO  
15 KT ELSEWHERE. SEAS 7 TO 10 FT S OF 18N, AND 4 TO 6 FT  
ELSEWHERE.    
THU THROUGH SAT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
TODAY  
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.    
TONIGHT  
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.    
WED AND WED NIGHT  
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.    
THU THROUGH SAT  
E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.  
 
SW CARIBBEAN S OF 11N  
   
TODAY  
NE WINDS LESS THAN 10 KT IN THE MORNING, BECOMING  
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
TONIGHT  
N WINDS LESS THAN 10 KT, SHIFTING TO NE AFTER  
MIDNIGHT. SEAS 4 TO 6 FT.    
WED AND WED NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
THU THROUGH FRI  
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
SAT  
N WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TODAY  
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT GULF OF VENEZUELA,  
AND 6 TO 8 FT ELSEWHERE.    
TONIGHT  
E WINDS 15 TO 25 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.    
WED AND WED 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.    
THU THROUGH SAT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
TODAY  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
WED AND WED NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU THROUGH SAT  
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 20 KT. SEAS 6 TO 8 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
WED AND WED NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
THU THROUGH SAT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS  
MODERATE TO FRESH EASTERLY WINDS ARE FORECAST SOUTH  
OF 24N THROUGH SAT NIGHT AS A BROAD SUBTROPICAL ATLANTIC RIDGE  
STAYS IN PLACE. STRONG WINDS WILL PULSE JUST NORTH OF HISPANIOLA  
AT NIGHT INTO LATE WEEK AS THE BERMUDA HIGH BUILDS. MODERATE TO  
FRESH S TO SW WINDS WILL PREVAIL OFFSHORE OF NE FLORIDA THROUGH  
THU ASSOCIATED WITH A SURFACE TROUGH EXTENDING ALONG THE EASTERN  
UNITED STATES. MODERATE OR WEAKER WINDS AND SLIGHT TO MODERATE  
SEAS ARE EXPECTED ELSEWHERE THROUGH THE WEEK AND INTO THE  
WEEKEND.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TODAY  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TONIGHT  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED AND WED NIGHT  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU THROUGH SAT  
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
TODAY  
W OF 70W, S WINDS 10 KT. ELSEWHERE, VARIABLE WINDS LESS  
THAN 10 KT, BECOMING S 10 KT IN THE AFTERNOON. SEAS 3 FT.    
TONIGHT  
S WINDS LESS THAN 10 KT. SEAS 3 FT.    
WED AND WED NIGHT  
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
THU THROUGH FRI  
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SAT  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.  
 
BAHAMAS N OF 22N  
   
TODAY  
E WINDS 10 TO 15 KT. SEAS 3 FT.    
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED AND WED NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU THROUGH SAT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
TODAY  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED AND WED NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
THU THROUGH SAT  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TODAY  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
WED AND WED NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU THROUGH SAT  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
TODAY  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
WED AND WED NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
THU THROUGH SAT  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
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