217  
WHUS72 KJAX 190010 AAA  
MWWJAX  
 
URGENT - MARINE WEATHER MESSAGE...UPDATED  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
810 PM EDT MON AUG 18 2025  
 
AMZ470-472-474-191500-  
/O.EXT.KJAX.SC.Y.0028.000000T0000Z-250822T1800Z/  
WATERS FROM ALTAMAHA SOUND GA TO FERNANDINA BEACH FL FROM 20 TO  
60 NM-  
WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL FROM 20 TO 60 NM-  
WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL FROM 20 TO 60 NM-  
810 PM EDT MON AUG 18 2025  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM EDT FRIDAY
 
 
* WHAT...NORTHEAST WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND  
SEAS 9 TO 14 FT.  
 
* WHERE...SOUTHEAST GEORGIA AND NORTHEAST FLORIDA COASTAL WATERS  
FROM ALTAMAHA SOUND GA TO FLAGLER BEACH FL FROM 20 TO 60 NM.  
 
* WHEN...UNTIL 2 PM EDT FRIDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
AMZ450-452-454-191500-  
/O.EXT.KJAX.SC.Y.0028.250819T0600Z-250822T0800Z/  
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT  
20 NM-  
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT  
20 NM-  
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-  
810 PM EDT MON AUG 18 2025  
 
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 AM TUESDAY TO 4 AM  
EDT FRIDAY...  
 
* WHAT...NORTHEAST WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND  
SEAS 6 TO 11 FT EXPECTED.  
 
* WHERE...SOUTHEAST GEORGIA AND NORTHEAST FLORIDA COASTAL WATERS  
FROM ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 20 NM.  
 
* WHEN...FROM 2 AM TUESDAY TO 4 AM EDT FRIDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
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