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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.

Martin River at Highway No. 1 Water Level

Live river level, flow, historical records and forecast for Martin River at Highway No. 1 in Canada, NT, Canada, built from official government gauge data.

About Martin River at Highway No. 1

Martin River - a vital flow in the northern landscape.

The Martin River flows past Highway No. 1 in the Northwest Territories, serving as an important aquatic feature in the region's subarctic environment. This river, situated within the Upper Mackenzie - Martin watershed, drains an area of approximately 2,070 square kilometers. Its connection to the broader hydrology of the Mackenzie River system highlights its role in supporting local ecosystems and communities.

The watershed context

The Upper Mackenzie - Martin watershed is characterized by hydrological patterns influenced by the subarctic climate. Spring breakup and snowmelt dominate the flow patterns, offering a brief surge after winter's long low flows, which often occur under ice. Summer presents a stark contrast, as the region experiences short but intense rain events that can affect river behavior. Close by, the Mackenzie River at Fort Simpson serves as a peer in river dynamics, showcasing the interconnected nature of waterways in this northern landscape.

Why the data matters here

Water level and discharge data from the Martin River gauge, overseen by the Water Survey of Canada, is crucial for understanding seasonal changes and their impact on local ecosystems and communities. Today's reading is assessed against the median for this calendar day over the station's nearly 50 years of historical data. This comparison provides valuable context, allowing for better understanding of deviations in flow levels, which are essential for managing the water resource sustainably and preparing for potential flooding or drought conditions.

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