Cooper River at North Charleston, SC

River level and flood forecast · Charleston County

Normal0.8 ftas of Mon 3:45 PM

The last 7 days and the forecast

-20246810TueWedThuFriSatSunMonNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.

What floods at each level

From the National Weather Service, highest first.

  • 9.33 ftRecord tide level reached in association with Tropical Storm Irma on September 11th, 2017.

Highest crests on record

  1. 9.33 ft — September 11, 2017
  2. 9.2 ft — December 17, 2023
  3. 9.07 ft — August 30, 2023
  4. 8.29 ft — December 22, 2022
  5. 8.24 ft — September 27, 2024

Recent crests: 8.22 ft (October 10, 2025) · 8.08 ft (November 16, 2024) · 8.24 ft (September 27, 2024) · 9.2 ft (December 17, 2023) · 9.07 ft (August 30, 2023)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CPFS1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.