860  
FZNT31 KNHC 030234  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1034 PM EDT WED JUL 2 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  
THE PRESSURE GRADIENT BETWEEN THE BERMUDA HIGH AND  
LOWER PRESSURE ACROSS NW COLOMBIA AND THE SW CARIBBEAN WILL  
SUPPORT PULSING FRESH TO STRONG TRADES AND ROUGH SEAS ACROSS THE  
SOUTH-CENTRAL BASIN THROUGH FRI. WINDS AND SEAS WILL DIMINISH  
OVER THE WEEKEND.  
 
NW CARIBBEAN W OF 85W  
   
OVERNIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU  
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 5 FT.    
THU NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT.    
FRI  
E WINDS LESS THAN 10 KT. SEAS 3 FT.    
FRI NIGHT  
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 TO 4 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
MON  
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
OVERNIGHT  
E WINDS 10 TO 20 KT S OF 18N, AND E LESS THAN 10 KT  
ELSEWHERE. SEAS 5 TO 7 FT S OF 18N, AND 3 TO 5 FT ELSEWHERE.    
THU  
E WINDS 10 TO 20 KT S OF 18N, AND E LESS THAN 10 KT  
ELSEWHERE. SEAS 4 TO 6 FT.    
THU NIGHT  
E WINDS 10 TO 20 KT S OF 18N, AND SE LESS THAN  
10 KT ELSEWHERE. SEAS 4 TO 6 FT S OF 18N, AND 3 FT ELSEWHERE.    
FRI  
E WINDS 10 TO 20 KT S OF 18N, AND SE LESS THAN 10 KT  
ELSEWHERE. SEAS 5 TO 7 FT S OF 18N, AND 3 FT ELSEWHERE.    
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 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 4 TO 6 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
OVERNIGHT  
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT.    
THU  
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.    
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 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 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 6 TO 9 FT.  
 
SW CARIBBEAN S OF 11N  
   
OVERNIGHT  
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
THU  
E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.    
THU NIGHT  
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
FRI  
E WINDS LESS THAN 10 KT, SHIFTING TO S IN THE AFTERNOON.  
SEAS 4 TO 5 FT.    
FRI NIGHT  
W WINDS LESS THAN 10 KT IN THE EVENING, BECOMING  
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SAT  
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SAT NIGHT  
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SUN  
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SUN NIGHT  
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON  
VARIABLE WINDS LESS THAN 10 KT, BECOMING NE LESS THAN  
10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT.    
MON NIGHT  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
OVERNIGHT  
E WINDS 15 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 5 TO 7 FT ELSEWHERE.    
THU NIGHT  
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 5 TO 7 FT.    
FRI  
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT GULF OF VENEZUELA,  
AND 5 TO 7 FT ELSEWHERE.    
FRI NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 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 4 TO 6 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
OVERNIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 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 6 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 3 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.  
 
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO  
15N W OF 55W  
   
OVERNIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 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 6 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, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. 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.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS  
AN AREA OF LOW PRESSURE COULD DEVELOP ALONG A  
WEAKENING FRONTAL BOUNDARY NEAR FLORIDA OR THE ATLANTIC COAST OF  
THE SOUTHEASTERN UNITED STATES BY THIS WEEKEND. ENVIRONMENTAL  
CONDITIONS APPEAR ONLY MARGINALLY CONDUCIVE FOR SOME SLOW  
DEVELOPMENT, BUT A TROPICAL OR SUBTROPICAL DEPRESSION COULD FORM  
IN THIS REGION OVER THE WEEKEND OR EARLY NEXT WEEK WHILE THE  
SYSTEM DRIFTS NORTHWARD OR NORTHEASTWARD. REGARDLESS OF  
DEVELOPMENT, HEAVY RAINFALL IS POSSIBLE ACROSS PORTIONS OF THE  
SOUTHEAST U.S. THERE IS A MEDIUM CHANCE OF TROPICAL FORMATION  
THROUGH THE NEXT 7 DAYS.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
OVERNIGHT  
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU  
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT  
S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI  
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT  
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT  
S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
SUN  
SW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
SUN NIGHT  
S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
MON  
SW WINDS 10 TO 20 KT. SEAS 3 TO 5 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  
S 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 4 TO 5 FT.    
FRI  
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI NIGHT  
S WINDS 10 KT. SEAS 4 TO 5 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  
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN NIGHT  
SE WINDS 10 KT. SEAS 3 TO 5 FT.    
MON  
SE WINDS 10 KT. SEAS 3 TO 5 FT.    
MON NIGHT  
SE WINDS 10 KT. SEAS 3 TO 4 FT.  
 
BAHAMAS N OF 22N  
   
OVERNIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
THU  
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU NIGHT  
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 FT.    
FRI  
SE WINDS 10 TO 15 KT, SHIFTING TO S IN THE AFTERNOON.  
SEAS 3 FT.    
FRI NIGHT  
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SAT  
S WINDS LESS THAN 10 KT. SEAS 3 FT.    
SAT NIGHT  
SE WINDS LESS THAN 10 KT. SEAS 3 FT IN THE EVENING,  
SUBSIDING TO 2 FT OR LESS.    
SUN  
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.   
SUN NIGHT  
SE 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 2 FT OR LESS.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
OVERNIGHT  
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU  
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
THU NIGHT  
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI  
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI NIGHT  
SE WINDS 10 KT. SEAS 4 FT.    
SAT  
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 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 KT. SEAS 3 TO 4 FT.    
MON  
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
OVERNIGHT  
E WINDS 10 TO 20 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 3 TO 5 FT.    
FRI  
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 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  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 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.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
OVERNIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
THU  
E WINDS 10 TO 15 KT. SEAS 5 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 TO 15 KT. SEAS 4 TO 5 FT.    
MON  
E WINDS 15 KT. SEAS 5 TO 6 FT.    
MON NIGHT  
E WINDS 15 KT. SEAS 5 TO 6 FT.  
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