Rivers in Ohio

Sandusky River near S Fremont

Sandusky County, OhioNWS FFMO1USGS 04198000Brooklyn Heights office

Below flood stage
3.13ftStage

Observed Tue, Sep 22, 12:30 AM EDT

Flood stage
10.00 ft
Forecast crest
3.80 ftWed, Sep 23, 2:00 AM EDT
Record crest
16.14 ft1979

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood21.00 ft
Moderate flood13.00 ft
Minor flood10.00 ft
Action7.00 ft
  1. 21.00 ftWidespread flooding north and south of the city.
  2. 19.00 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.
  3. 18.00 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.
  4. 13.00 ftFlooding begin in Wightman's Grove north in Riley north of Fremont. South River Road will become inundated.
  5. 10.00 ftFlooding of lowland areas will occur just south of Fremont with water threatening South River Road.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 15, 2026.

Crest history

26 crests on NOAA’s list since 1929.

#DateStage
1February 24, 197916.14 ft
2March 15, 197815.88 ft
3February 26, 193615.34 ft
4February 10, 195915.20 ft
5January 31, 198214.83 ft
6February 26, 192914.00 ft
7February 20, 197113.89 ft
8March 16, 197813.57 ft
9February 4, 198412.63 ft
10December 30, 195112.12 ft
11January 20, 198611.91 ft
12January 18, 196911.80 ft
13February 20, 194011.46 ft
14March 1, 201111.34 ft
15March 2, 200711.15 ft
16January 15, 193011.10 ft
17February 7, 200810.85 ft
18December 23, 201310.71 ft
19July 14, 201710.14 ft
20March 9, 200910.01 ft
21April 13, 20247.69 ft
22March 30, 20207.45 ft
23April 6, 20257.31 ft
24March 5, 20237.17 ft
25February 18, 20227.10 ft

Most recent crests

  • April 6, 2025: 7.31 ft
  • April 13, 2024: 7.69 ft
  • March 5, 2023: 7.17 ft
  • February 18, 2022: 7.10 ft
  • March 30, 2020: 7.45 ft
  • January 24, 2019: 7.09 ft
  • July 14, 2017: 10.14 ft
  • December 23, 2013: 10.71 ft
  • March 1, 2011: 11.34 ft
  • March 9, 2009: 10.01 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Ohio River Forecast Center. Forecasts are issued routinely year-round. Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.