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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.

Swan River near Minitonas Water Level

Live water level, flow, historical records and forecast for Swan River near Minitonas in Canada, MB, Canada, built from official government gauge data.

About Swan River near Minitonas

Swan River - A key waterway in the Shoal watershed.

The Swan River flows near the community of Minitonas, Manitoba, and serves as an important artery within the Shoal watershed. This river measures and reflects conditions influenced by the expansive 4,220 square kilometres of drainage area above the gauge, showcasing its role in regional hydrology. The human community relies on this waterway for various needs while the surrounding landscape is shaped by its seasonal nuances.

The watershed context

The Shoal watershed encompasses several smaller rivers, including notable peers like Birch River and Roaring River. These waterways contribute to the ecological richness of the region, influenced heavily by the patterns of Prairie hydrology. In Manitoba, the spring thaw releases the runoff from melting snow, often leading to significant flood events, especially in lower-lying areas. As summer progresses, water levels generally begin to recede, a typical phenomenon in this prairie landscape.

The Swan River's flow can be affected by these seasonal cycles, creating dynamic shifts that are critical for both ecological health and human activity. Understanding these trends is essential for cottagers, farmers, and anglers who depend on consistent water conditions.

Why the data matters here

Today’s reading at the Swan River near Minitonas is measured against the long-term median for this date, with historical data spanning over 49 years. This comparison provides context that raw elevation figures cannot, allowing for meaningful insights into the river’s current state. The information collected by the Water Survey of Canada helps local residents anticipate changes and manage interactions with this vital water resource effectively.

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