412  
FZNT32 KNHC 211339  
OFFN21  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
939 AM EDT FRI MAR 21 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
 
HIGH PRESSURE IS BUILDING OVER THE NORTHERN GULF,  
FOLLOWING A COLD FRONT THAT MOVED SOUTHEAST OF THE BASIN  
OVERNIGHT. WINDS AND SEAS ARE DIMINISHING ACROSS THE GULF AS A  
RESULT, BUT FRESH TO STRONG N WINDS AND ROUGH SEAS WILL PERSIST  
THROUGH THE MORNING OVER THE EASTERN GULF. AFTERWARD, THE  
PATTERN WILL SUPPORT MODERATE TO LOCALLY FRESH S TO SE WINDS  
OVER THE WESTERN AND CENTRAL GULF, AND GENTLE TO MODERATE WINDS  
IN THE EASTERN BASIN THROUGH THIS WEEKEND. A SURFACE TROUGH WILL  
DEVELOP OVER THE YUCATAN PENINSULA AND MOVE INTO THE BAY OF  
CAMPECHE NIGHTLY THROUGH SUN, SUPPORTING PULSES OF FRESH TO  
STRONG WINDS OVER ADJACENT WATERS. LOOKING AHEAD, THE NEXT COLD  
FRONT MAY ENTER THE NORTHWESTERN BASIN EARLY NEXT WEEK.  
 
GULF OF AMERICA N OF 26N W OF 87W  
   
THIS AFTERNOON
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TONIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT
 
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN  
THE AFTERNOON. SEAS 3 FT IN THE MORNING, SUBSIDING TO 2 FT OR  
LESS.    
SAT NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
SUN
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON
 
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 5 FT.    
MON NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TUE
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
TUE NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.  
 
GULF OF AMERICA FROM 22N TO 26N W OF 87W  
   
THIS AFTERNOON
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TONIGHT
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT NIGHT
 
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
SUN
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON
 
SE 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, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 5 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
SW GULF OF AMERICA S OF 22N W OF 87W  
   
THIS AFTERNOON
 
E WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST  
OF VERACRUZ, AND E 10 TO 15 KT ELSEWHERE. SEAS 6 TO 8 FT.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT
 
WITHIN 60 NM OF COAST OF VERACRUZ, SE WINDS LESS THAN  
10 KT, INCREASING TO 10 TO 15 KT IN THE AFTERNOON. ELSEWHERE, E  
WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.  
 
GULF OF AMERICA E OF 87W  
   
THIS AFTERNOON
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TONIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.   
SAT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SAT NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SUN
 
SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING TO 3 FT  
IN THE AFTERNOON.    
SUN NIGHT
 
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
MON
 
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 4 FT.    
MON NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TUE
 
E WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING,  
SUBSIDING TO 2 FT OR LESS.    
TUE NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
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