363  
FZNT32 KNHC 210300  
OFFN21  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1100 PM EDT THU MAR 20 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
 
A COLD FRONT OVER THE SE GULF WILL EXIT THE BASIN  
LATE TONIGHT. FRESH TO NEAR GALE WINDS AND SEAS ARE EXPECTED TO  
DIMINISH FROM NORTHWEST TO SOUTHEAST ON FRI. HIGH PRESSURE WILL  
BUILD IN THE WAKE OF THE FRONT, SUPPORTING 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 FRI THROUGH  
SUN, INCREASING WINDS TO FRESH TO STRONG SPEEDS IN THE PENINSULA  
ADJACENT WATERS. THE NEXT COLD FRONT MAY ENTER THE NORTHWESTERN  
BASIN EARLY NEXT WEEK.  
 
GULF OF AMERICA N OF 26N W OF 87W  
   
OVERNIGHT
 
N WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
FRI NIGHT
 
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT
 
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN  
THE AFTERNOON. 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 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
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
TUE
 
E WINDS LESS THAN 10 KT. SEAS 3 FT.    
TUE NIGHT
 
E WINDS 10 KT. SEAS 3 FT.  
 
GULF OF AMERICA FROM 22N TO 26N W OF 87W  
   
OVERNIGHT
 
NE WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.    
FRI
 
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 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 4 TO 6 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 4 FT.  
 
SW GULF OF AMERICA S OF 22N W OF 87W  
   
OVERNIGHT
 
NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT WITHIN 60 NM  
OF COAST OF VERACRUZ, AND 6 TO 9 FT ELSEWHERE.    
FRI
 
WITHIN 60 NM OF COAST OF VERACRUZ, E WINDS LESS THAN  
10 KT, INCREASING TO 10 TO 15 KT IN THE AFTERNOON. ELSEWHERE, E  
WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SAT
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 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 15 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
 
E WINDS 10 TO 15 KT, SHIFTING TO NE IN THE AFTERNOON.  
SEAS 3 TO 4 FT.    
TUE NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
GULF OF AMERICA E OF 87W  
   
OVERNIGHT
 
N WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
FRI
 
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
FRI NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 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 10 TO 15 KT. 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 LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 FT.  
 
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