766  
FZNT31 KNHC 042043  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
443 PM EDT FRI JUL 4 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 ATLANTIC RIDGE AND  
THE COLOMBIAN LOW WILL CONTINUE TO SUPPORT PULSING FRESH TO  
STRONG TRADES AND ROUGH SEAS ACROSS THE SOUTH-CENTRAL CARIBBEAN  
THROUGH THE FORECAST PERIOD. GENTLE TO MODERATE WINDS AND SLIGHT  
TO MODERATE SEAS WILL PREVAIL ELSEWHERE, WITH THE EXCEPTION OF  
MODERATE TO FRESH E WINDS IN THE GULF OF HONDURAS LATE SAT  
THROUGH TUE.  
 
NW CARIBBEAN W OF 85W  
   
TONIGHT
 
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SAT
 
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS, BUILDING TO  
3 FT IN THE AFTERNOON.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 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.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TONIGHT
 
E WINDS 10 TO 15 KT S OF 18N, AND SE LESS THAN 10 KT  
ELSEWHERE. SEAS 4 TO 6 FT S OF 18N, AND 3 FT ELSEWHERE.    
SAT
 
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.    
SAT NIGHT
 
E WINDS 10 TO 20 KT S OF 18N, AND E LESS THAN 10 KT  
ELSEWHERE. SEAS 4 TO 6 FT S OF 18N, AND 3 FT ELSEWHERE.    
SUN
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT S OF 18N, AND 3 FT  
ELSEWHERE.    
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 15 KT. SEAS 4 TO 6 FT.    
TUE
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
WED
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
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 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 8 FT.    
TUE
 
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
WED
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
WED NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.  
 
SW CARIBBEAN S OF 11N  
   
TONIGHT
 
NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.   
SAT
 
NW WINDS LESS THAN 10 KT, SHIFTING TO S IN THE AFTERNOON.  
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. SEAS 4 TO 6 FT.    
MON NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE
 
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
WED
 
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
WED NIGHT
 
N WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TONIGHT
 
NE WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 5 TO 7 FT.    
SAT
 
GULF OF VENEZUELA, E WINDS 10 TO 20 KT, BECOMING NE LESS  
THAN 10 KT IN THE AFTERNOON. ELSEWHERE, E WINDS 10 TO 20 KT.  
SEAS 3 TO 5 FT GULF OF VENEZUELA, AND 4 TO 6 FT ELSEWHERE.    
SAT NIGHT
 
NE WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 3 TO 5 FT GULF OF VENEZUELA, AND 5 TO 7 FT  
ELSEWHERE.    
SUN
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 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.    
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.    
WED
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
WED NIGHT
 
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  
   
TONIGHT
 
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 15 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 20 KT. SEAS 4 TO 6 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 15 KT. SEAS 4 TO 6 FT.    
WED
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED 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  
   
TONIGHT
 
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 15 KT. SEAS 3 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 3 TO 5 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS
 
NEWLY NAMED TROPICAL DEPRESSION THREE IS NEAR 31.0N  
79.0W AT 5 PM EDT, AND IS MOVING NORTH AT 2 KT. MAXIMUM  
SUSTAINED WINDS ARE 30 KT WITH GUSTS TO 40 KT, AND THE MINIMUM  
CENTRAL PRESSURE IS 1012 MB. THE CENTER OF T.D. THREE WILL MOVE  
TO 31.3N 79.1W SAT MORNING, AND TO NEAR 31.7N 79.5W SAT AFTERNOON  
WHILE STRENGTHENING TO A TROPICAL STORM. THREE WILL MOVE NORTH  
OF THE AREA TO 32.4N 80.0W SUN MORNING, THEN MOVE INLAND AND  
WEAKEN TO A TROPICAL DEPRESSION IN SOUTH CAROLINA BEFORE  
DISSIPATING MON AFTERNOON. THE MAIN IMPACTS OF THREE WILL REMAIN  
NORTH OF 31N. HIGH PRESSURE WILL PREVAIL ELSEWHERE. THIS PATTERN  
WILL SUPPORT GENERALLY GENTLE TO MODERATE WINDS EXCEPT FOR FRESH  
TO STRONG WINDS PULSING OFF THE NORTHERN COAST OF HISPANIOLA BY  
SAT NIGHT.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TONIGHT
 
S WINDS 20 TO 30 KT. SEAS 4 TO 6 FT.    
SAT
 
S WINDS 20 TO 30 KT. SEAS 5 TO 8 FT.    
SAT NIGHT
 
S WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.    
SUN
 
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN NIGHT
 
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
S WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
TUE
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
TONIGHT
 
S WINDS LESS THAN 10 KT, SHIFTING TO SE AFTER  
MIDNIGHT. SEAS 3 TO 5 FT.    
SAT
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
SE WINDS 10 TO 15 KT W OF 70W, AND S LESS THAN  
10 KT ELSEWHERE. SEAS 4 TO 6 FT.    
SUN
 
S WINDS 10 TO 15 KT W OF 70W, AND VARIABLE LESS THAN  
10 KT ELSEWHERE. SEAS 4 TO 6 FT W OF 70W, AND 3 FT ELSEWHERE.    
SUN NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
MON
 
S WINDS 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TUE
 
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TUE NIGHT
 
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
WED
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
BAHAMAS N OF 22N  
   
TONIGHT
 
SE WINDS LESS THAN 10 KT, SHIFTING TO S AFTER  
MIDNIGHT. SEAS 2 FT OR LESS.    
SAT
 
S WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 FT IN THE MORNING, SUBSIDING TO 2 FT OR  
LESS.    
SAT NIGHT
 
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 2 FT OR LESS.    
SUN
 
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.   
SUN NIGHT
 
E WINDS LESS THAN 10 KT, SHIFTING TO SE AFTER  
MIDNIGHT. SEAS 2 FT OR LESS, BUILDING TO 3 FT AFTER MIDNIGHT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING TO  
3 FT AFTER MIDNIGHT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
WED
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
TONIGHT
 
SE WINDS 10 KT. SEAS 3 TO 5 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
 
E WINDS LESS THAN 10 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
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 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 20 KT. SEAS 4 TO 6 FT.    
TUE
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
WED
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
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 10 TO 15 KT. SEAS 4 TO 5 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
WED
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
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