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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

The flood of record that was overtaken

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.

Why the Assiniboine floods every spring

Inside the freshet cycle that puts Manitoba shorelines at risk each year - and why 2026 broke the script.

How snowpack becomes summer water

The science of snow water equivalent and why it drives the season ahead.

Reading a staff gauge like a hydrologist

What the numbers on the measuring stick actually tell you.

Flash Flood Alley: how Texas rivers rise in hours

Why Central and South Texas rivers go from gravel beds to fifty-year records in an afternoon - including July 2026 on the Nueces.

What a "100-year flood" actually means

One percent, every year, forever - unwrapping hydrology's most misunderstood phrase, and how it differs from our own percentiles.

Churchill River above Otter Rapids Water Level

Live river level, flow, historical records and forecast for Churchill River above Otter Rapids in Canada, SK, Canada, built from official government gauge data.

About Churchill River above Otter Rapids

Churchill River above Otter Rapids - A vital flow in Saskatchewan's heart.

The Churchill River, flowing above Otter Rapids in Saskatchewan, embodies the dynamic hydrology of the Prairie region. With a vast drainage area of approximately 119,000 square kilometres, this river is a significant feature in the Central Churchill (Man.) - Pinehouse Lake watershed. It shapes the landscape, supporting both ecological diversity and human activities in this corner of Canada.

The watershed context

The Central Churchill (Man.) - Pinehouse Lake watershed is characterized by its expansive reach. The Churchill River itself serves as a critical water source, heavily influenced by the seasonal rhythms typical of the Prairie provinces. This region experiences a snowmelt-dominated spring peak, which often occurs sharply, followed by long summer recessions. During the summer months, evaporation and low inflow lead to natural fluctuations in water levels, which can significantly affect the river’s readings.

Though there are no immediate peer water bodies mentioned, the Churchill River sustains the ecosystems along its banks and serves as a resource for local communities and wildlife. Its health and flow patterns are critical for agriculture and fishing activities in the surrounding areas, making it a central feature for those who rely on its waters.

Why the data matters here

Monitoring the Churchill River above Otter Rapids provides essential information about its current conditions and historical patterns. Today’s reading from the Water Survey of Canada reflects the river's status compared to the median for this day across more than 50 years of data. This relative measure allows for a clearer understanding of current water levels, as it accounts for natural variations over time. It emphasizes how today's conditions relate to the historical context, providing invaluable insights into the river's behavior amid seasonal changes.

By observing these dynamics, stakeholders can make informed decisions about resource management and conservation efforts, ensuring that this lifeline continues to flow for future generations.

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