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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.

Somass River near Alberni Water Level

Live river level, flow, historical records and forecast for Somass River near Alberni in Canada, BC, Canada, built from official government gauge data.

About Somass River near Alberni

Somass River - Vital artery of South Central Vancouver Island.

The Somass River, flowing near Alberni, is a significant watercourse on Vancouver Island, serving as a crucial lifeline for both ecosystems and local communities. With a watershed that encompasses around 1,300 square kilometers, it flows through a dynamic landscape shaped by the unique mountain hydrology of the region. This river not only provides essential water resources but also connects to a network of peer waterways that enhance its ecological value and recreational opportunities.

The watershed context

Nestled in the South Central Vancouver Island region, the Somass River benefits from the region's freshet-driven hydrology, characterized by snowpack runoff and glacier-fed systems that bolster flow, particularly from May to July. This seasonal rhythm indicates that peak flow periods are closely linked to the melting snow and rainfall patterns characteristic of coastal British Columbia. The river shares its drainage area with several peers, including Ash River, Englishman River, and Comox Lake, all of which contribute to the intricate web of aquatic systems that sustain wildlife and provide recreational opportunities for anglers and cottagers alike.

Why the data matters here

Understanding the water levels of the Somass River near Alberni is essential for various stakeholders, including local government agencies, environmentalists, and outdoor enthusiasts. Today's reading is crucial for gauging current conditions against the median for this calendar day over the past 28 years, as reported by Water Survey of Canada. This contextual awareness ensures that residents and visitors alike can make informed decisions regarding their activities on and around the river, recognizing both its natural rhythm and potential variabilities.

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