Sandusky River near S Fremont, OH

River level and flood forecast · Sandusky County

Normal1.0 ftas of Mon 3:30 PM

The river is 9.0 ft below flood stage (10 ft).

Forecast to hold near 1.0 ft through Sat, Oct 17, 8 AM.

Flow: 73 cubic feet per second (USGS).

The last 7 days and the forecast

-5051015TueThuSatMonWedFriAction 7 ftFlood 10 ftModerate 13 ftNowObserved (ft)NWS forecast

NWS forecast issued Mon, Oct 12, 10:54 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage21 ft
Moderate flood stage13 ft
Flood stage10 ft
Action stage7 ft
Record crest (February 24, 1979)16.14 ft

What floods at each level

From the National Weather Service, highest first.

  • 21 ftWidespread flooding north and south of the city.
  • 19 ftWidespread flooding over portions of Ballville, Rice, Sandusky, and Riley Townships adjacent to the river. Shorewood Village and Wightman's Grove areas willl be flooded. County Road 201 south of Fremont will also be inundated. Portions of Fremont not protected by the floodwall will likely be flooded.
  • 18 ftSouth of Fremont County Road 201 will be threatened and South River Road flooded. Wightman's Grove and Shorewood Village downstream of Fremont will be impacted by flood waters. Evacuations may be necessary.
  • 13 ftFlooding begin in Wightman's Grove north in Riley north of Fremont. South River Road will become inundated.
  • 10 ftFlooding of lowland areas will occur just south of Fremont with water threatening South River Road.

Highest crests on record

  1. 16.14 ft — February 24, 1979
  2. 15.88 ft — March 15, 1978
  3. 15.34 ft — February 26, 1936
  4. 15.2 ft — February 10, 1959
  5. 14.83 ft — January 31, 1982

Recent crests: 7.31 ft (April 6, 2025) · 7.69 ft (April 13, 2024) · 7.17 ft (March 5, 2023) · 7.1 ft (February 18, 2022) · 7.45 ft (March 30, 2020)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (FFMO1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.