636  
FZNT32 KNHC 190330  
OFFN21  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1130 PM EDT TUE MAR 18 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 TIGHTENING PRESSURE GRADIENT IN THE WESTERN HALF  
OF THE GULF WILL CONTINUE TO SUPPORT FRESH TO STRONG S WINDS AND  
ROUGH SEAS THROUGH WED MORNING, AHEAD OF THE NEXT COLD FRONT.  
THE FRONT WILL COME OFF THE COAST OF TEXAS WED MORNING, REACH  
FROM SOUTHERN ALABAMA TO VERACRUZ WED NIGHT, FROM CAPE CORAL TO  
THE YUCATAN PENINSULA THU AFTERNOON, AND EXIT THE BASIN THU  
NIGHT INTO EARLY FRI. THE FRONT WILL BE FOLLOWED BY FRESH TO  
STRONG N WINDS AND ROUGH SEAS, EXCEPT FOR POSSIBLE BRIEF GALES  
OFF VERACRUZ THU AFTERNOON. WINDS AND SEAS WILL DIMINISH ACROSS  
THE BASIN ON FRI MORNING WITH HIGH PRESSURE ESTABLISHING ACROSS  
THE BASIN AFTERWARD. FRESH TO STRONG E WINDS WILL DEVELOP OFF NW  
YUCATAN AND SPREAD INTO THE WESTERN GULF WATERS SAT NIGHT INTO  
SUN MORNING.  
 
GULF OF AMERICA N OF 26N W OF 87W  
   
OVERNIGHT
 
SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.    
WED
 
S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
WED NIGHT
 
SW WINDS 10 KT, BECOMING W 15 TO 25 KT AFTER  
MIDNIGHT. SEAS 4 TO 6 FT.    
THU
 
N WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.    
THU NIGHT
 
N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI NIGHT
 
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 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
 
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
GULF OF AMERICA FROM 22N TO 26N W OF 87W  
   
OVERNIGHT
 
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
WED
 
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU
 
N WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.    
THU NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
FRI NIGHT
 
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 4 TO 6 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.  
 
SW GULF OF AMERICA S OF 22N W OF 87W  
   
OVERNIGHT
 
SE WINDS 15 TO 25 KT WITHIN 60 NM OF COAST OF  
VERACRUZ, AND E 10 TO 20 KT ELSEWHERE. SEAS 4 TO 6 FT.    
WED
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
WITHIN 60 NM OF COAST OF VERACRUZ, N WINDS LESS  
THAN 10 KT, INCREASING TO 10 TO 15 KT AFTER MIDNIGHT,SEAS 3 FT  
IN THE EVENING, SUBSIDING TO 2 FT OR LESS. ELSEWHERE, NE WINDS  
10 TO 15 KT, SEAS 3 TO 5 FT.    
THU
 
N WINDS 15 TO 25 KT WITHIN 60 NM OF COAST OF VERACRUZ,  
AND NE 10 TO 20 KT ELSEWHERE. SEAS 3 TO 5 FT.    
THU NIGHT
 
NE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.    
FRI
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI NIGHT
 
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 20 KT. SEAS 3 TO 5 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.  
 
GULF OF AMERICA E OF 87W  
   
OVERNIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
THU
 
SW WINDS 10 TO 20 KT. SEAS 3 FT, BUILDING TO 4 TO 6 FT IN  
THE AFTERNOON.    
THU NIGHT
 
NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.   
SAT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 FT IN THE EVENING,  
SUBSIDING TO 2 FT OR LESS.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
SUN NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
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