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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.

Shell River near Duck Lake Water Level

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

About Shell River near Duck Lake

Shell River - a vital waterway in the heart of Manitoba.

The Shell River, located near Duck Lake, is a significant ecological and hydrological feature within the Upper Assiniboine - Shell watershed. This river serves as a crucial pathway for water flow in the region, collecting runoff from a diverse landscape and contributing to the larger aquatic ecosystem. Draining approximately 1,660 square kilometers above the station, the Shell River plays an essential role in feeding local lakes and supporting various plant and animal life in these prairie environments.

Why the data matters here

Monitoring the water levels of the Shell River is critical, especially in the context of Manitoba's climate. The province experiences distinct seasonal variations, with spring snowmelt contributing to potential flooding events that define the hydrological rhythm of the region. In this context, understanding the river's current conditions has implications not just for local ecosystems but also for agricultural practices and community safety. The gauge provides valuable data on the river's elevation, allowing residents and stakeholders to make informed decisions based on the surrounding water conditions.

Today's reading from Water Survey of Canada indicates the river's level, which is essential for gauging its relationship with historical data—comparing it against the median for this calendar day helps understand how the river behaves over time and can indicate potential flooding or drought scenarios.

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