Ottawa River Regulation Planning Board

Current Conditions Summary

Water levels in metres:

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River Conditions Forecast

Last Update: 2025-05-21 1:54 PM

Next Update: 2025-05-22 4:30 PM

Flows and levels are declining gradually along the main stem of the Ottawa River. Rainfall expected over the next few days should slow the decline in levels and flows. Conditions at all locations along the main stem of the Ottawa River are expected to remain above average for this time of year over the coming week.

Increasing Flood Risk along the Ottawa River

See the “River Conditions Forecasts” message for the latest update on river conditions and details as to what locations may experience flooding over the next few days.

In the message:

The minor flood level is defined as the level at which parts of some streets, lawns and parks are beginning to flood, with no or few houses/buildings being affected.

The major flood level is defined as the level at which one or several streets are beginning to flood, with several houses/buildings or neighbourhoods being affected.

Current Conditions Summary

River Conditions Forecast

Special Feature

Increasing Flood Risk along the Ottawa River

Latest News

2025: INCREASING FLOOD RISKS ALONG THE OTTAWA RIVER

Beginning of Hydrologic Forecast for Freshet 2025

2025: RISING OTTAWA RIVER WATER LEVELS