Nibi Metrics
Real-time water levels, forecasts, and alerts for lakes and rivers across Canada and the US. Built on official government data.
Nibi Metrics turns raw gauge readings from official hydrometric networks into something a person standing on a dock can actually use: is the water high or low for today, which way is it moving, and how unusual is this? This page explains where every number on the platform comes from and what we do to it along the way.
Water Stories
For five years, spring 2019 was the mark every Lake Muskoka decision answered to. In April 2026 the lake went two centimeters higher - and the official books have not caught up yet.
Inside the freshet cycle that puts Manitoba shorelines at risk each year - and why 2026 broke the script.
The science of snow water equivalent and why it drives the season ahead.
What the numbers on the measuring stick actually tell you.
Why Central and South Texas rivers go from gravel beds to fifty-year records in an afternoon - including July 2026 on the Nueces.
One percent, every year, forever - unwrapping hydrology's most misunderstood phrase, and how it differs from our own percentiles.
Ouse River at Norwood Water Level
Live river level, flow, historical records and forecast for Ouse River at Norwood in Canada, ON, Canada, built from official government gauge data.
- Location Canada, ON, Canada
- Watershed otonabee
- Primary gauge 02HJ011 (Water Survey of Canada)
About Ouse River at Norwood
Ouse River - A seasonal waterway in Ontario.
The Ouse River at Norwood is an integral part of the Otonabee watershed, reflecting the dynamic seasonal hydrology of Ontario. This river stretch runs through a catchment area of approximately 90.9 square kilometres, showcasing the interplay between the surrounding landscapes and the seasonal cycles of water flow.
Why the data matters here
Today’s reading at the Ouse River reflects the river's responsiveness to the seasonal changes typical of southern Ontario. As we transition into warmer months, the river experiences its spring freshet, driven by melting snow and increased rainfall. This period usually peaks in late April to May, making real-time data crucial for understanding potential flooding risks and changes in water quality. For this stretch of the Ouse River, monitoring levels provides essential insight into local ecological health and hydrological patterns.
Understanding the river's behavior through the data allows cottagers, anglers, and flood-watchers to make informed decisions regarding activities and safety. Today's measurement compared to the historical median for this date over the last six years offers a critical benchmark. This perspective underscores the importance of evaluating water levels within the context of seasonal norms rather than as isolated figures. The Water Survey of Canada tracks these fluctuations, ensuring that the community remains informed as the river ebbs and flows with the seasonal cycle.
How this page is built
Readings come from official government gauges and are rolled into daily records: the daily mean, high and low for every day on record. Each calendar day gets its own baseline from the full history, so the level you see is compared against what this specific date usually looks like rather than an annual average.
How Nibi Metrics works · Water stories
