577  
FZNT32 KNHC 121437  
OFFN21  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1037 AM EDT MON MAY 12 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 EXTENDING FROM THE BIG BEND OF FLORIDA  
THROUGH THE YUCATAN CHANNEL WILL DRIFT EASTWARD TODAY BEFORE  
EXITING THE BASIN ON TUE. SCATTERED THUNDERSTORMS ARE EXPECTED  
ALONG AND EAST OF THE FRONT TODAY, AND GUSTY AND ERRATIC WINDS  
AND RAPIDLY BUILDING SEAS WILL BE POSSIBLE NEAR CONVECTION.  
ELSEWHERE, PULSING MODERATE TO FRESH W WINDS ARE EXPECTED ACROSS  
THE NORTHERN GULF THROUGH EARLY TUE AS A TROUGH MOVES EASTWARD  
OVER THE REGION. OTHERWISE, HIGH PRESSURE WILL BUILD OVER THE  
BASIN THIS WEEK. A STRENGTHENING PRESSURE GRADIENT BETWEEN  
DEEPENING LOW PRESSURE IN THE CENTRAL UNITED STATES AND THE  
AFOREMENTIONED HIGH WILL SUPPORT FRESH TO LOCALLY STRONG S TO SE  
WINDS AND ROUGH SEAS OFFSHORE OF TEXAS AND MEXICO TUE THROUGH  
LATE WEEK.  
 
GULF OF AMERICA N OF 26N W OF 87W  
   
THIS AFTERNOON
 
W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TONIGHT
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
WED
 
S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
WED NIGHT
 
S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.   
THU
 
S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
THU NIGHT
 
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
FRI
 
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
FRI NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
GULF OF AMERICA FROM 22N TO 26N W OF 87W  
   
THIS AFTERNOON
 
W WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
TONIGHT
 
SW WINDS LESS THAN 10 KT, SHIFTING TO S AFTER  
MIDNIGHT. SEAS 3 TO 4 FT.    
TUE
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU
 
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU NIGHT
 
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI
 
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI NIGHT
 
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.  
 
SW GULF OF AMERICA S OF 22N W OF 87W  
   
THIS AFTERNOON
 
SE WINDS 10 TO 15 KT WITHIN 60 NM OF COAST OF  
VERACRUZ, AND E LESS THAN 10 KT ELSEWHERE. SEAS 3 TO 4 FT.    
TONIGHT
 
WITHIN 60 NM OF COAST OF VERACRUZ, SE WINDS 15 TO 25  
KT. ELSEWHERE, NE WINDS LESS THAN 10 KT, SHIFTING TO E AFTER  
MIDNIGHT. SEAS 3 TO 5 FT.    
TUE
 
WITHIN 60 NM OF COAST OF VERACRUZ, SE WINDS 10 TO 20 KT.  
ELSEWHERE, 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.    
WED
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.  
 
GULF OF AMERICA E OF 87W  
   
THIS AFTERNOON
 
W WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
TONIGHT
 
W WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
TUE
 
W WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
WED
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
THU
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
FRI
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
FRI NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.  
 
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