689  
FZNT32 KNHC 131511  
OFFN21  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1111 AM EDT SUN JUL 13 2025  
 
MARINE WEATHER HF VOICE BROADCAST FOR THE GULF OF AMERICA  
 
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
 
WEAK HIGH PRESSURE PREVAILS ACROSS THE NE GULF THIS  
MORNING, PRODUCING GENTLE TO MODERATE E TO SE WINDS ACROSS MUCH  
OF THE REST OF THE BASIN. THE HIGH WILL DRIFT SLOWLY WESTWARD  
AND INTO THE NW GULF BY WED. THIS WILL ALLOW A BROAD AREA OF LOW  
PRESSURE EXPECTED TO FORM ACROSS THE ATLANTIC EAST OF FLORIDA,  
TO SHIFT WESTWARD ACROSS FLORIDA AND INTO THE EASTERN GULF ON  
TUE, THEN CONTINUE TO DRIFT WESTWARD INTO THE CENTRAL GULF  
THROUGH THU, ACCOMPANIED BY ACTIVE WEATHER. ENVIRONMENTAL  
CONDITIONS COULD BECOME MARGINALLY CONDUCIVE FOR THE GRADUAL  
DEVELOPMENT OF THIS SYSTEM BY MID TO LATE NEXT WEEK.  
 
GULF OF AMERICA N OF 26N W OF 87W  
   
THIS AFTERNOON
 
S WINDS LESS THAN 10 KT. SEAS 3 FT.    
TONIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON
 
S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
TUE
 
SW WINDS LESS THAN 10 KT, SHIFTING TO NE IN THE  
AFTERNOON. SEAS 2 FT OR LESS.    
TUE NIGHT
 
N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
WED
 
N WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE  
WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 10 KT, BECOMING SE LESS  
THAN 10 KT AFTER MIDNIGHT. SEAS 2 FT OR LESS.    
THU
 
S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
THU NIGHT
 
S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.  
 
GULF OF AMERICA FROM 22N TO 26N W OF 87W  
   
THIS AFTERNOON
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TONIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
TUE NIGHT
 
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 FT.    
WED
 
E WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING,  
SUBSIDING TO 2 FT OR LESS.    
WED NIGHT
 
E WINDS LESS THAN 10 KT, SHIFTING TO SE AFTER  
MIDNIGHT. SEAS 2 FT OR LESS.    
THU
 
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 2 FT OR LESS.    
THU NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.  
 
SW GULF OF AMERICA S OF 22N W OF 87W  
   
THIS AFTERNOON
 
SE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST  
OF VERACRUZ, AND SE 10 TO 15 KT ELSEWHERE. SEAS 3 TO 4 FT.    
TONIGHT
 
WITHIN 60 NM OF COAST OF VERACRUZ, E WINDS LESS THAN  
10 KT, INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. ELSEWHERE, E  
WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.    
MON
 
WITHIN 60 NM OF COAST OF VERACRUZ, SE WINDS 10 TO 15 KT,  
SHIFTING TO E IN THE AFTERNOON. ELSEWHERE, SE WINDS 10 TO 15 KT.  
SEAS 3 TO 4 FT.    
MON NIGHT
 
E WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF  
VERACRUZ, AND E 10 TO 20 KT ELSEWHERE. SEAS 3 TO 4 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING TO  
3 FT AFTER MIDNIGHT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 3 FT IN THE MORNING, SUBSIDING  
TO 2 FT OR LESS.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING TO  
3 TO 4 FT AFTER MIDNIGHT.  
 
GULF OF AMERICA E OF 87W  
   
THIS AFTERNOON
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR  
LESS.    
TONIGHT
 
N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON
 
VARIABLE WINDS LESS THAN 10 KT, BECOMING N LESS THAN  
10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS.    
MON NIGHT
 
N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
TUE
 
N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
TUE NIGHT
 
N WINDS LESS THAN 10 KT, SHIFTING TO E AFTER  
MIDNIGHT. SEAS 2 FT OR LESS.    
WED
 
S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
WED NIGHT
 
S WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 2 FT OR LESS.    
THU
 
SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
THU NIGHT
 
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 2 FT OR LESS, BUILDING TO 3 FT AFTER  
MIDNIGHT.  
 
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