186  
FZNT32 KNHC 140310  
OFFN21  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1110 PM EDT WED AUG 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  
BROAD LOW PRESSURE HAS FORMED OVER THE YUCATAN  
PENINSULA, INDUCING SCATTERED MODERATE CONVECTION OVER NEARBY  
WATERS. THIS LOW IS FORECAST TO MOVE WNW ACROSS THE SW GULF  
THROUGH FRI, THROUGH AN ENVIRONMENT MARGINALLY FAVORABLE FOR  
FURTHER DEVELOPMENT. THERE IS A LOW CHANCE OF TROPICAL FORMATION  
OVER THE NEXT 48 HOURS, BEFORE THE SYSTEM MOVES INLAND OVER NE  
MEXICO BY LATE FRI. OTHERWISE, GENTLE WINDS AND SLIGHT SEAS ARE  
EXPECTED THROUGH THE BASIN AS WEAK HIGH PRESSURE DOMINATES.  
 
GULF OF AMERICA N OF 26N W OF 87W  
   
OVERNIGHT  
S WINDS 10 KT. SEAS 2 FT OR LESS.    
THU  
S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
THU NIGHT  
S WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.   
FRI  
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN  
THE AFTERNOON. SEAS 2 FT OR LESS, BUILDING TO 3 FT IN THE  
AFTERNOON.    
FRI NIGHT  
E WINDS LESS THAN 10 KT, SHIFTING TO SE AFTER  
MIDNIGHT. SEAS 3 FT.    
SAT  
E WINDS 10 KT. SEAS 3 FT.    
SAT NIGHT  
E WINDS 10 KT. SEAS 3 FT IN THE EVENING, SUBSIDING  
TO 2 FT OR LESS.    
SUN  
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.   
SUN NIGHT  
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON  
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON NIGHT  
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.  
 
GULF OF AMERICA FROM 22N TO 26N W OF 87W  
   
OVERNIGHT  
SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
THU  
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
THU NIGHT  
SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING  
TO 3 FT AFTER MIDNIGHT.    
FRI  
SE 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, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 4 FT.    
SAT NIGHT  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SUN  
E WINDS LESS THAN 10 KT. SEAS 3 FT.    
SUN NIGHT  
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON  
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON NIGHT  
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.  
 
SW GULF OF AMERICA S OF 22N W OF 87W  
   
OVERNIGHT  
SE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF  
VERACRUZ, AND E 10 TO 20 KT ELSEWHERE. SEAS 2 FT OR LESS,  
BUILDING TO 3 FT AFTER MIDNIGHT.    
THU  
SE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF  
VERACRUZ, AND SE 10 TO 15 KT ELSEWHERE. SEAS 3 FT.    
THU NIGHT  
SE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF  
VERACRUZ, AND E 10 TO 15 KT ELSEWHERE. SEAS 3 FT.    
FRI  
WITHIN 60 NM OF COAST OF VERACRUZ, SE WINDS LESS THAN  
10 KT. ELSEWHERE, SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN  
10 KT IN THE AFTERNOON. SEAS 3 FT.   
FRI NIGHT  
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING TO  
3 FT AFTER MIDNIGHT.    
SAT  
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 FT.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT IN THE EVENING,  
SUBSIDING TO 2 FT OR LESS.    
SUN  
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.   
SUN NIGHT  
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON  
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.   
MON NIGHT  
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.  
 
GULF OF AMERICA E OF 87W  
   
OVERNIGHT  
VARIABLE WINDS LESS THAN 10 KT, BECOMING SE LESS  
THAN 10 KT AFTER MIDNIGHT. SEAS 2 FT OR LESS.    
THU  
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
THU NIGHT  
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
FRI  
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
FRI NIGHT  
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SAT  
NE WINDS 10 KT. SEAS 2 FT OR LESS.    
SAT NIGHT  
NE WINDS 10 KT. SEAS 2 FT OR LESS.    
SUN  
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.   
SUN NIGHT  
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON  
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON NIGHT  
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.  
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