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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.

Mackenzie River at Norman Wells Water Level

Live river level, flow, historical records and forecast for Mackenzie River at Norman Wells in Canada, NT, Canada, built from official government gauge data.

About Mackenzie River at Norman Wells

Mackenzie River - A vital artery in the North.

The Mackenzie River at Norman Wells serves as a crucial lifeline for the surrounding environment, local communities, and the seasonal rhythms of the Northern Territories. Spanning a vast catchment area of approximately 1,590,000 square kilometers, this river plays an essential role in the hydrology of the Central Mackenzie - Little Bear watershed, contributing significantly to the area's ecology and economy.

The watershed context

This prominent river is a primary feature of the Central Mackenzie - Little Bear watershed, which captures the unique hydrological dynamics of the subarctic region. Within this context, the Mackenzie River flows gracefully, fed by numerous tributaries, including Bosworth Creek, Canyon Creek, Jungle Ridge Creek, and Oscar Creek, which all contribute to its flows. The region’s hydrology is heavily influenced by seasonal changes, including a spring breakup that often triggers ice-jam flooding, while the long, cold winters lead to low flows under ice cover. Summers are brief yet intense, leading to rapid changes in the water level as snowmelt flows into the river.

Why the data matters here

Understanding the flow dynamics of the Mackenzie River at Norman Wells is pivotal for local ecosystems and human activity. The station not only provides readings but also measures discharge, allowing for thorough monitoring of the river’s health and response to climatic changes. Today’s water level at the gauge reflects the ongoing subarctic regime and can be compared to the median for this calendar day across 49 years of historical record, sourced from the Water Survey of Canada. This comparison is significant as it offers greater insights into current river conditions, informing residents, anglers, and flood watchers about potential changes and trends in the local environment.

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