Oct 9, 2025
Strong northeast winds resulting from high pressure building inland and developing low pressure offshore along with astronomical influences associated with a recent full moon and perigee led to coastal flooding along the South Carolina coast. A maximum tide level of 7.91 ft MLLW (2.14 ft MHHW) was observed at 912 AM EST at the Charleston Harbor tide gage during this event. Moderate coastal flooding impacts are typically observed along coastal Charleston and Colleton Counties when tide levels rea
Source: NOAA National Weather Service Storm Events Database (event 1295214). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Charleston County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.