565  
NWUS52 KCHS 190212  
LSRCHS  
 
PRELIMINARY LOCAL STORM REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
1012 PM EDT SAT APR 18 2026  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
 
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
 
 
..REMARKS..  
 
0948 PM COASTAL FLOOD 1 E CHARLESTON 32.78N 79.93W  
04/18/2026 CHARLESTON SC OTHER FEDERAL  
 
A MAXIMUM TIDE LEVEL OF 7.37 FT MLLW (1.61 FT MHHW) WAS  
OBSERVED AT THE CHARLESTON HARBOR TIDE GAGE. SHALLOW  
COASTAL FLOODING TYPICALLY BEGINS ALONG THE COASTS OF  
CHARLESTON AND COLLETON COUNTIES WHEN TIDE LEVELS REACH  
7.0 FT MLLW (1.24 FT MHHW) IN THE CHARLESTON HARBOR.  
 

 
 
EVENT NUMBER CHS2600351  
 

 
 
BRM  
 
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