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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.

Smith Creek near Marchwell Water Level

Live river level, flow, historical records and forecast for Smith Creek near Marchwell in Canada, SK, Canada, built from official government gauge data.

About Smith Creek near Marchwell

Smith Creek - A vital artery in the Upper Assiniboine - Birdtail watershed.

Smith Creek, flowing near Marchwell in Saskatchewan, serves as an essential component of the Upper Assiniboine - Birdtail watershed. Draining roughly 480 square kilometres above the station, this river plays a critical role in the hydrological dynamics of the region, particularly reflecting the prairie hydrology that characterizes southeastern Saskatchewan.

The watershed context

The Upper Assiniboine - Birdtail watershed is shaped by a unique interplay of seasonal changes that govern water levels and flow throughout the year. In spring, the area experiences a pronounced peak due to snowmelt, often occurring suddenly, which contributes to rises in creek levels. Following this surge, the summer months generally see long-lasting recessions in water levels, influenced by evaporation and low inflow typical of prairie climates. Wind-driven lake setups can also impact stream readings, making accurate measurement crucial for understanding local water dynamics.

Why the data matters here

Today's measurement from Smith Creek near Marchwell can be compared to the median for this calendar day across the station's historical record of 49 years. This context is vital, as it provides insights not just into current conditions but also frames changes over time. Monitoring the flow and elevation helps manage local ecosystems, agricultural planning, and flood preparedness, supporting the residents and land users connected to this waterway. Understanding today's reading relative to historical medians will guide stakeholders in making informed decisions that respect the unique hydrological rhythms of the area.

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