Onondaga Lake at Liverpool, NY
River level and flood forecast · Onondaga County
Normal363.4 ftas of Tue 6:30 PM
The river is 2.6 ft below flood stage (366 ft).
Forecast to hold near 363.4 ft through Fri, Nov 6, 7 AM.
The last 7 days and the forecast
NWS forecast issued Tue, Nov 3, 11:16 AM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Onondaga Lake at Liverpool to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 370 ft |
| Moderate flood stage | 368 ft |
| Flood stage | 366 ft |
| Near flood stage | 365 ft |
| Record crest (May 10, 2025) | 366.01 ft |
What floods at each level
From the National Weather Service, highest first.
- 370 ftMajor flooding begins.
- 368 ftModerate flooding begins.
- 366 ftMinor flood stage. Trails at Onondaga Lake Park are flooded. Marina usage is also impacted. Areas downstream of the lake, in the vicinity of Hayes Road, may be affected by flood waters.
- 365 ftAction stage. Water begins to spill onto lawns in Onondaga Lake Park.
Highest crests on record
- 366.01 ft — May 10, 2025
Recent crests: 366.01 ft (May 10, 2025)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (LVRN6); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.