001  
WHUS72 KCHS 130539  
MWWCHS  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHARLESTON SC  
139 AM EDT SAT SEP 13 2025  
 
AMZ350-131345-  
/O.EXT.KCHS.SC.Y.0053.000000T0000Z-250916T2200Z/  
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-  
139 AM EDT SAT SEP 13 2025  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM EDT TUESDAY  
 
* WHAT...NORTHEAST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND  
SEAS 4 TO 7 FT.  
 
* WHERE...SOUTH SANTEE RIVER TO EDISTO BEACH OUT 20 NM.  
 
* WHEN...UNTIL 6 PM EDT TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
AMZ352-131345-  
/O.EXT.KCHS.SC.Y.0053.000000T0000Z-250916T0600Z/  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
139 AM EDT SAT SEP 13 2025  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT TUESDAY  
 
* WHAT...NORTHEAST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND  
SEAS 4 TO 7 FT.  
 
* WHERE...EDISTO BEACH TO SAVANNAH OUT 20 NM.  
 
* WHEN...UNTIL 2 AM EDT TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
AMZ354-131345-  
/O.EXT.KCHS.SC.Y.0053.250913T0539Z-250915T1800Z/  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING  
GRAYS REEF NATIONAL MARINE SANCTUARY-  
139 AM EDT SAT SEP 13 2025  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM EDT MONDAY  
 
* WHAT...NORTHEAST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND  
SEAS 4 TO 7 FT.  
 
* WHERE...SAVANNAH TO ALTAMAHA SOUND OUT 20 NM.  
 
* WHEN...UNTIL 2 PM EDT MONDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
AMZ374-131345-  
/O.EXT.KCHS.SC.Y.0053.000000T0000Z-250917T0600Z/  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-  
139 AM EDT SAT SEP 13 2025  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT WEDNESDAY  
 
* WHAT...NORTHEAST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND  
SEAS 6 TO 9 FT.  
 
* WHERE...SAVANNAH TO ALTAMAHA SOUND FROM 20 TO 60 NM.  
 
* WHEN...UNTIL 2 AM EDT WEDNESDAY.  
 
* 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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