549  
FZNT31 KNHC 181354  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
954 AM EDT WED JUN 18 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  
THE PRESSURE GRADIENT BETWEEN A RIDGE OVER THE  
ATLANTIC WATERS NORTH OF THE CARIBBEAN AND THE COLOMBIAN LOW  
WILL SUPPORT FRESH TO STRONG EASTERLY WINDS AND ROUGH SEAS OVER  
THE CENTRAL CARIBBEAN THROUGH THE THE REMAINDER OF THE WEEK AND  
THE WEEKEND. WINDS WILL PULSE TO NEAR GALE FORCE OFF COLOMBIA AT  
NIGHT. FRESH TO STRONG TRADES, AND ROUGH SEAS, ARE EXPECTED IN  
THE GULF OF HONDURAS THROUGH THU. ELSEWHERE, MODERATE TO FRESH  
WINDS AND MODERATE SEAS WILL PREVAIL.  
 
NW CARIBBEAN W OF 85W  
   
THIS AFTERNOON  
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
TONIGHT  
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
THU  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
THU NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
FRI  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 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.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
THIS AFTERNOON  
E WINDS 15 TO 25 KT S OF 18N, AND E 10 TO  
20 KT ELSEWHERE. SEAS 7 TO 10 FT S OF 18N, AND 5 TO 7 FT  
ELSEWHERE.    
TONIGHT  
E WINDS 15 TO 25 KT S OF 18N, AND E 10 TO 20 KT  
ELSEWHERE. SEAS 8 TO 11 FT S OF 18N, AND 5 TO 7 FT ELSEWHERE.    
THU  
E WINDS 15 TO 25 KT S OF 18N, AND E 10 TO 20 KT  
ELSEWHERE. SEAS 7 TO 10 FT S OF 18N, AND 5 TO 7 FT ELSEWHERE.    
THU NIGHT  
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT S OF 18N, AND  
5 TO 7 FT ELSEWHERE.    
FRI  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI NIGHT  
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
SAT  
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
SAT NIGHT  
E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.    
SUN  
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
THIS AFTERNOON  
E WINDS 20 TO 30 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND E 15 TO 25 KT ELSEWHERE. SEAS 8 TO 11 FT.    
TONIGHT  
E WINDS 20 TO 30 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND E 15 TO 25 KT ELSEWHERE. SEAS 8 TO 11 FT.    
THU  
E WINDS 20 TO 30 KT WITHIN 90 NM OF COAST OF COLOMBIA,  
AND E 15 TO 25 KT ELSEWHERE. SEAS 8 TO 11 FT.    
THU NIGHT  
E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.    
FRI  
E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.    
FRI NIGHT  
E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.    
SAT  
E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.    
SAT NIGHT  
E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.    
SUN  
E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.    
SUN NIGHT  
E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.  
 
SW CARIBBEAN S OF 11N  
   
THIS AFTERNOON  
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
TONIGHT  
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
THU  
NE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.    
THU NIGHT  
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
FRI  
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
FRI NIGHT  
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
SAT  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
SAT NIGHT  
NE WINDS LESS THAN 10 KT, SHIFTING TO SE AFTER  
MIDNIGHT. SEAS 6 TO 8 FT.    
SUN  
S WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.    
SUN NIGHT  
SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT GULF OF  
VENEZUELA, AND 6 TO 9 FT ELSEWHERE.    
TONIGHT  
E WINDS 20 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 5 TO 7 FT GULF OF VENEZUELA, AND 6 TO 9 FT  
ELSEWHERE.    
THU  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT GULF OF VENEZUELA,  
AND 6 TO 9 FT ELSEWHERE.    
THU NIGHT  
E WINDS 20 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 4 TO 6 FT GULF OF VENEZUELA, AND 6 TO 9 FT  
ELSEWHERE.    
FRI  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI NIGHT  
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
SAT  
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
SAT NIGHT  
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
SUN  
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SAT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.  
 
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO  
15N W OF 55W  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
THU  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
THU NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
FRI  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
FRI NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SAT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 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 10 TO 20 KT. SEAS 6 TO 9 FT.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS  
A RIDGE OF HIGH PRESSURE ALONG 29N THROUGH SUN.  
MODERATE TO FRESH EASTERLY TRADE WINDS AND MODERATE TO LOCALLY  
ROUGH SEAS ARE FORECAST SOUTH OF THE RIDGE THROUGH THE FORECAST  
PERIOD. LOCALLY STRONG WINDS WILL PULSE JUST NORTH OF HISPANIOLA  
AT NIGHT INTO LATE WEEK. GENTLE TO LOCALLY MODERATE WINDS WILL  
PREVAIL ELSEWHERE.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
THIS AFTERNOON  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TONIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU  
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI  
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT  
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT  
SE 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 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
THIS AFTERNOON  
S WINDS 10 KT. SEAS 4 FT.    
TONIGHT  
S WINDS 10 KT. SEAS 4 FT.    
THU  
SE WINDS 10 KT. SEAS 4 FT.    
THU NIGHT  
SE WINDS 10 TO 15 KT. SEAS 4 FT.    
FRI  
S WINDS 10 KT. SEAS 4 FT.    
FRI NIGHT  
SE WINDS 10 KT. SEAS 4 FT.    
SAT  
E WINDS LESS THAN 10 KT. SEAS 4 FT.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
BAHAMAS N OF 22N  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
THU  
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
THU NIGHT  
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 4 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
SUN  
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
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.    
THU  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
THU NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 FT.    
FRI  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SAT  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SAT NIGHT  
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.  
 
ATLC WATERS S OF 22N W OF 65W  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU  
E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.    
THU NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT  
E WINDS 10 TO 20 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 4 TO 6 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
THIS AFTERNOON  
E WINDS 15 KT. SEAS 5 TO 6 FT.    
TONIGHT  
E WINDS 15 KT. SEAS 5 TO 6 FT.    
THU  
E WINDS 15 KT. SEAS 5 TO 6 FT.    
THU NIGHT  
E WINDS 15 KT. SEAS 5 TO 6 FT.    
FRI  
E WINDS 15 KT. SEAS 5 TO 6 FT.    
FRI NIGHT  
E WINDS 15 KT. SEAS 5 TO 6 FT.    
SAT  
E WINDS 15 KT. SEAS 5 FT.    
SAT NIGHT  
E WINDS 15 KT. SEAS 5 TO 6 FT.    
SUN  
E WINDS 15 KT. SEAS 5 TO 6 FT.    
SUN NIGHT  
E WINDS 15 TO 20 KT. SEAS 5 TO 6 FT.  
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