233  
WHUS72 KCHS 010631  
MWWCHS  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHARLESTON SC  
231 AM EDT SAT AUG 1 2026  
 
AMZ340-011900-  
/O.NEW.KCHS.SC.Y.0047.260802T1600Z-260803T0600Z/  
CHARLESTON HARBOR-  
231 AM EDT SAT AUG 1 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SUNDAY TO 2 AM EDT  
MONDAY...  
 
* WHAT...SOUTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT  
EXPECTED.  
 
* WHERE...CHARLESTON HARBOR.  
 
* WHEN...FROM NOON SUNDAY TO 2 AM 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.  
 
 
 
 
 
AMZ360-011900-  
/O.NEW.KCHS.SC.Y.0047.260802T1600Z-260804T0600Z/  
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT  
20 NM-  
231 AM EDT SAT AUG 1 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SUNDAY TO 2 AM EDT  
TUESDAY...  
 
* WHAT...SOUTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND  
SEAS 4 TO 7 FT EXPECTED.  
 
* WHERE...SOUTH SANTEE RIVER TO EDISTO BEACH OUT 20 NM.  
 
* WHEN...FROM NOON SUNDAY TO 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.  
 
 
 
 
 
AMZ362-011900-  
/O.NEW.KCHS.SC.Y.0047.260802T1600Z-260804T0600Z/  
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
231 AM EDT SAT AUG 1 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SUNDAY TO 2 AM EDT  
TUESDAY...  
 
* WHAT...SOUTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND  
SEAS 3 TO 6 FT EXPECTED.  
 
* WHERE...EDISTO BEACH TO SAVANNAH OUT 20 NM.  
 
* WHEN...FROM NOON SUNDAY TO 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.  
 
 
 
 
 
AMZ364-011900-  
/O.NEW.KCHS.SC.Y.0047.260802T1600Z-260803T1200Z/  
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,  
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-  
231 AM EDT SAT AUG 1 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SUNDAY TO 8 AM EDT  
MONDAY...  
 
* WHAT...SOUTHWEST WINDS 15 TO 25 KT AND SEAS 3 TO 5 FT EXPECTED.  
 
* WHERE...SAVANNAH TO ALTAMAHA SOUND OUT 20 NM.  
 
* WHEN...FROM NOON SUNDAY TO 8 AM 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.  
 
 
 
 
 
AMZ384-011900-  
/O.NEW.KCHS.SC.Y.0047.260802T1600Z-260803T1600Z/  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO  
60 NM-  
231 AM EDT SAT AUG 1 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SUNDAY TO NOON EDT  
MONDAY...  
 
* WHAT...SOUTHWEST WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT AND  
SEAS 4 TO 6 FT EXPECTED.  
 
* WHERE...SAVANNAH TO ALTAMAHA SOUND FROM 20 TO 60 NM.  
 
* WHEN...FROM NOON SUNDAY TO NOON 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.  
 
 
 
 
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