NWUS52 KCHS 200341 LSRCHS Preliminary Local Storm Report National Weather Service Charleston SC 1141 PM EDT Tue May 19 2026 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 1106 PM Coastal Flood 1 E Charleston 32.78N 79.93W 05/19/2026 Charleston SC Other Federal A maximum tide level of 7.03 ft MLLW (1.27 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 CHS2600366 $$