264  
WHUS42 KCHS 050733  
CFWCHS  
 
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE CHARLESTON SC  
233 AM EST FRI DEC 5 2025  
 
SCZ049-050-051400-  
/O.CON.KCHS.CF.Y.0055.251205T1100Z-251205T1400Z/  
COASTAL COLLETON-CHARLESTON-  
233 AM EST FRI DEC 5 2025  
 
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 6 AM TO 9 AM EST  
THIS MORNING...  
 
* WHAT...UP TO ONE HALF FOOT OF INUNDATION ABOVE GROUND LEVEL  
EXPECTED ALONG SHORELINES AND TIDAL WATERWAYS (7.2 TO 7.4 FEET  
MEAN LOWER LOW WATER AT CHARLESTON).  
 
* WHERE...COASTAL COLLETON AND CHARLESTON COUNTIES.  
 
* WHEN...FROM 6 AM TO 9 AM EST THIS MORNING.  
 
* IMPACTS...THIS COULD RESULT IN SOME ROADS BECOMING IMPASSABLE.  
 
* ADDITIONAL DETAILS...HIGH TIDE WILL OCCUR AROUND 7:43 AM TODAY  
AT CHARLESTON. SALTWATER INUNDATION WILL BE POSSIBLE 1 TO 2  
HOURS BEFORE AND AFTER HIGH TIDE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF TRAVEL IS REQUIRED, ALLOW EXTRA TIME AS SOME ROADS MAY BE  
CLOSED. DO NOT DRIVE AROUND BARRICADES OR THROUGH WATER OF  
UNKNOWN DEPTH. TAKE THE NECESSARY ACTIONS TO PROTECT FLOOD-PRONE  
PROPERTY.  
 
VISIT WATER.WEATHER.GOV FOR ADDITIONAL WATER LEVEL AND FLOOD  
IMPACT INFORMATION.  
 
 
 
TIME OF HIGH TOTAL TIDES ARE APPROXIMATE TO THE NEAREST HOUR.  
 
CHARLESTON HARBOR SC  
MLLW CATEGORIES - MINOR 7.0 FT, MODERATE 7.5 FT, MAJOR 8.0 FT  
MHHW CATEGORIES - MINOR 1.2 FT, MODERATE 1.7 FT, MAJOR 2.2 FT  
 
TOTAL TOTAL DEPARTURE  
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD  
FT MLLW FT MHHW FT FT IMPACT  
-------- --------- --------- --------- ------- --------  
05/08 AM 7.3 1.5 0.5 N/A MINOR  
05/08 PM 5.5 -0.3 0.2 N/A NONE  
06/08 AM 7.0 1.2 0.4 N/A MINOR  
06/09 PM 5.3 -0.5 0.1 N/A NONE  
07/09 AM 6.8 1.0 0.4 N/A NONE  
07/10 PM 5.3 -0.5 0.2 N/A NONE  
 
 
 
 
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