248  
FZNT31 KNHC 120308  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1108 PM EDT WED JUN 11 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 HIGH PRESSURE N OF THE  
BASIN AND RELATIVELY LOWER PRESSURES IN THE CARIBBEAN AND IN  
NORTHERN SOUTH AMERICA WILL MAINTAIN FRESH TO STRONG TRADES AND  
MODERATE TO ROUGH SEAS OVER MOST OF THE CENTRAL AND WEST-CENTRAL  
CARIBBEAN THROUGH THE FORECAST PERIOD. WINDS WILL PULSE TO FRESH  
TO STRONG SPEEDS NEAR THE GULF OF HONDURAS DURING THE EVENING  
AND OVERNIGHT HOURS, WITH GREATER COVERAGE OF THESE WINDS  
EXPECTED MON AND MON NIGHT. MODERATE TO FRESH WINDS WILL PREVAIL  
ELSEWHERE, EXCEPT IN THE LEE OF CUBA WHERE GENTLE TO MODERATE  
WINDS ARE EXPECTED THROUGH EARLY NEXT WEEK. MOSTLY FRESH TRADES  
WILL REMAIN OVER THE TROPICAL N ATLANTIC ZONES THROUGH EARLY  
NEXT WEEK. MODERATE TO ROUGH SEAS WITH THESE WINDS WILL SUBSIDE  
LATE THU.  
 
NW CARIBBEAN W OF 85W  
   
OVERNIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 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 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.    
MON
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON NIGHT
 
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
OVERNIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 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 5 TO 7 FT.    
SUN NIGHT
 
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.    
MON
 
E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.    
MON NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
OVERNIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
THU NIGHT
 
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. 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 5 TO 7 FT.    
SAT NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN
 
E WINDS 15 TO 25 KT. SEAS 6 TO 9 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
 
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.  
 
SW CARIBBEAN S OF 11N  
   
OVERNIGHT
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
THU
 
SE WINDS LESS THAN 10 KT IN THE MORNING, BECOMING  
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
VARIABLE WINDS LESS THAN 10 KT, BECOMING SW LESS  
THAN 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT.    
FRI
 
SW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
FRI NIGHT
 
NW WINDS LESS THAN 10 KT, SHIFTING TO S AFTER  
MIDNIGHT. SEAS 4 TO 6 FT.    
SAT
 
SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SAT NIGHT
 
NW WINDS LESS THAN 10 KT, SHIFTING TO S AFTER  
MIDNIGHT. SEAS 3 TO 5 FT.    
SUN
 
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SUN NIGHT
 
VARIABLE WINDS LESS THAN 10 KT, BECOMING SE LESS  
THAN 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT.    
MON
 
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
OVERNIGHT
 
E WINDS 20 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 5 TO 7 FT.    
THU
 
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF VENEZUELA,  
AND 6 TO 8 FT ELSEWHERE.    
THU NIGHT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT GULF OF  
VENEZUELA, AND 6 TO 8 FT ELSEWHERE.    
FRI
 
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF VENEZUELA,  
AND 6 TO 8 FT ELSEWHERE.    
FRI NIGHT
 
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 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.    
MON
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 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  
   
OVERNIGHT
 
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 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 20 KT. SEAS 4 TO 6 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 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 20 KT. SEAS 5 TO 7 FT.  
 
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO  
15N W OF 55W  
   
OVERNIGHT
 
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 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.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS
 
SURFACE RIDGING WILL BE THE MAIN FEATURE CONTROLLING  
THE WIND REGIME THROUGHOUT THE REGION THROUGH MON NIGHT. PULSING  
FRESH TO STRONG WINDS ARE EXPECTED NORTH OF HISPANIOLA TO NEAR  
22N DURING EACH LATE AFTERNOON AND AT NIGHT THROUGH EARLY NEXT  
WEEK.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
OVERNIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU
 
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
THU NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI
 
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
FRI NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
OVERNIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU
 
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
THU NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
FRI
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
FRI NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SAT
 
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
SUN
 
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON
 
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
S WINDS LESS THAN 10 KT. SEAS 3 FT.  
 
BAHAMAS N OF 22N  
   
OVERNIGHT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU NIGHT
 
E WINDS 10 TO 20 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 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 4 FT.    
SUN
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
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  
   
OVERNIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
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 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 KT. SEAS 3 TO 5 FT.    
MON
 
E WINDS 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
E WINDS 10 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
OVERNIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
E WINDS 10 TO 20 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 3 TO 5 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
OVERNIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
THU NIGHT
 
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 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 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 6 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.  
 
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