812  
WHUS72 KCHS 201851  
MWWCHS  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHARLESTON SC  
251 PM EDT WED AUG 20 2025  
 
AMZ350-210300-  
/O.CON.KCHS.SC.Y.0050.000000T0000Z-250822T1800Z/  
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-  
251 PM EDT WED AUG 20 2025  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT FRIDAY  
 
* WHAT...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND  
SEAS 8 TO 13 FT.  
 
* WHERE...SOUTH SANTEE RIVER TO EDISTO BEACH OUT 20 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.  
 
 
 
 
 
AMZ352-210300-  
/O.CON.KCHS.SC.Y.0050.000000T0000Z-250822T1800Z/  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
251 PM EDT WED AUG 20 2025  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT FRIDAY  
 
* WHAT...SEAS 6 TO 11 FT.  
 
* WHERE...EDISTO BEACH TO SAVANNAH OUT 20 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.  
 
 
 
 
 
AMZ354-210300-  
/O.CON.KCHS.SC.Y.0050.000000T0000Z-250822T1800Z/  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING  
GRAYS REEF NATIONAL MARINE SANCTUARY-  
251 PM EDT WED AUG 20 2025  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT FRIDAY  
 
* WHAT...SEAS 6 TO 9 FT.  
 
* WHERE...SAVANNAH TO ALTAMAHA SOUND OUT 20 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.  
 
 
 
 
 
AMZ374-210300-  
/O.CON.KCHS.SC.Y.0050.000000T0000Z-250823T1200Z/  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-  
251 PM EDT WED AUG 20 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT  
SATURDAY...  
 
* WHAT...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND  
SEAS 7 TO 12 FT.  
 
* WHERE...SAVANNAH TO ALTAMAHA SOUND FROM 20 TO 60 NM.  
 
* WHEN...UNTIL 8 AM EDT SATURDAY.  
 
* 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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