049  
FZNT31 KNHC 201321  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
921 AM EDT FRI JUN 20 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 ATLANTIC HIGH PRESSURE  
AND THE COLOMBIAN LOW WILL SUPPORT FRESH TO STRONG TRADES OVER  
THE CENTRAL PART OF THE BASIN THROUGH EARLY NEXT WEEK. WINDS  
WILL PULSE TO NEAR GALE FORCE OFF COLOMBIA AT NIGHT THROUGH SAT.  
ELSEWHERE, MODERATE TO FRESH WINDS AND MODERATE SEAS WILL  
PREVAIL.  
 
NW CARIBBEAN W OF 85W  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 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 15 KT. SEAS 3 TO 5 FT.    
TUE  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
TUE NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT S OF 18N,  
AND 4 TO 6 FT ELSEWHERE.    
TONIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT S OF 18N, AND  
3 TO 5 FT ELSEWHERE.    
SAT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT S OF 18N, AND 3 TO  
5 FT ELSEWHERE.    
SAT NIGHT  
S OF 18N, E WINDS 10 TO 20 KT. ELSEWHERE, E WINDS  
LESS THAN 10 KT, INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS  
6 TO 9 FT S OF 18N, AND 3 TO 5 FT ELSEWHERE.    
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 4 TO 6 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 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.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
THIS AFTERNOON  
E WINDS 15 TO 25 KT. 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.    
SAT  
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.    
SAT NIGHT  
E WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.    
SUN  
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
MON  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TUE NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.  
 
SW CARIBBEAN S OF 11N  
   
THIS AFTERNOON  
NE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.    
TONIGHT  
NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 6 TO 9 FT.    
SAT  
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 6 TO 9 FT.    
SAT NIGHT  
NW WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.    
SUN  
SW WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.    
SUN NIGHT  
W WINDS LESS THAN 10 KT, SHIFTING TO S AFTER  
MIDNIGHT. SEAS 5 TO 7 FT.    
MON  
S WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE  
WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
MON NIGHT  
VARIABLE WINDS LESS THAN 10 KT, BECOMING SE LESS  
THAN 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT.    
TUE  
S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
TUE NIGHT  
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
THIS AFTERNOON  
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT GULF OF  
VENEZUELA, AND 6 TO 8 FT ELSEWHERE.    
TONIGHT  
E WINDS 20 TO 30 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 4 TO 6 FT GULF OF VENEZUELA, AND 6 TO 8 FT  
ELSEWHERE.    
SAT  
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.    
SAT NIGHT  
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.    
SUN  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 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 6 TO 8 FT.    
TUE NIGHT  
E WINDS 15 TO 25 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 15 KT. SEAS 5 TO 7 FT.    
TONIGHT  
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 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 6 TO 9 FT.    
MON  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 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.    
SAT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 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.    
MON  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS  
A WEAK FRONT OR TROUGH WILL PASS TO THE SOUTHEAST OF  
BERMUDA THIS WEEKEND. OTHERWISE, HIGH PRESSURE WILL PREVAIL.  
MODERATE TO FRESH TRADES ALONG WITH MODERATE TO LOCALLY ROUGH  
SEAS ARE EXPECTED SOUTH OF 25N OVER THE NEXT FEW DAYS, WITH  
GENTLE TO LOCALLY MODERATE WINDS ELSEWHERE.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
THIS AFTERNOON  
S WINDS 10 KT. SEAS 3 TO 4 FT.    
TONIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
SAT  
SE WINDS 10 KT. SEAS 3 FT.    
SAT NIGHT  
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
SUN  
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
SUN NIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON  
E WINDS 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE  
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
TUE NIGHT  
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
THIS AFTERNOON  
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TONIGHT  
W OF 70W, SE WINDS 10 KT. ELSEWHERE, VARIABLE WINDS  
LESS THAN 10 KT, BECOMING SE LESS THAN 10 KT AFTER MIDNIGHT.  
SEAS 3 TO 4 FT.    
SAT  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SAT NIGHT  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SUN  
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SUN NIGHT  
NE WINDS LESS THAN 10 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 TO 4 FT.   
TUE  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TUE NIGHT  
SW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.  
 
BAHAMAS N OF 22N  
   
THIS AFTERNOON  
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN  
10 KT IN THE AFTERNOON. SEAS 3 FT.    
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT.    
SAT  
E 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 TO 5 FT.    
MON  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT.    
TUE  
E WINDS 10 TO 15 KT. SEAS 3 FT.    
TUE NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
THIS AFTERNOON  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
TONIGHT  
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.    
MON  
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
TUE  
E WINDS 10 KT. SEAS 3 TO 5 FT.    
TUE NIGHT  
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
THIS AFTERNOON  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TONIGHT  
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 3 TO 5 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
SUN NIGHT  
E WINDS 10 TO 20 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.    
TUE  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE 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 5 TO 6 FT.    
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
SAT  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 5 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 6 TO 7 FT.    
TUE NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.  
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