Sandusky River at Tiffin, OH
River level and flood forecast · Seneca County
Normal1.3 ftas of Mon 3:45 PM
The river is 7.7 ft below flood stage (9 ft).
Forecast to hold near 1.3 ft through Sat, Oct 17, 8 AM.
Flow: 60 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 10:54 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 12 ft |
| Moderate flood stage | 10.5 ft |
| Flood stage | 9 ft |
| Action stage | 6 ft |
| Record crest (March 26, 1913) | 20.4 ft |
What floods at each level
From the National Weather Service, highest first.
- 18 ftFEMA 0.2 percent flood level. Substantial and widespread flooding in Tiffin.
- 17 ftFloodwaters will begin to overtop the floodwall. Major flooding is possible. Residents should begin to prepare for extensive flood losses.
- 16 ftFEMA 1 percent flood level. Major flooding in low lying portions of Tiffin and locations upstream of town.
- 12 ftFloodwaters will begin to affect residents in the town of Tiffin on Charlotte and Front Streets.
- 11 ftProperty on Marlyn Street in Tiffin inundated.
- 10.5 ftFlooding occurs along the Sandusky River near Route 53 north of U.S. 224. Flood waters will also cause Township Road 131 to become impassable. In town Water Street, Front Street, and Davis Street are inundated.
- 9 ftLowland flooding occurs north and south of the floodwall in Tiffin. Coe Street, Water Street, East Davis Street, and riverside property along Front Street are threatened.
Highest crests on record
- 20.4 ft — March 26, 1913
- 17.8 ft — March 13, 1913
- 13.4 ft — May 13, 1914
- 13 ft — March 28, 1914
- 12 ft — January 23, 1959
Recent crests: 10.61 ft (April 2, 2026) · 9.8 ft (April 4, 2024) · 8.15 ft (March 26, 2023) · 8.69 ft (February 18, 2022) · 9.55 ft (May 12, 2021)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (TFFO1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.