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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.

Seton River near Lillooet Water Level

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

About Seton River near Lillooet

Seton River - A vital artery through the mountain landscape.

The Seton River near Lillooet flows through the dramatic terrain of British Columbia. This river is an integral part of the Lower Fraser - Bridge watershed, draining roughly 1,000 square kilometres above the measuring station. As it winds its way through the mountains, the river offers a glimpse into the dynamic interplay of water and wilderness, influenced heavily by the seasonal rhythms of snowmelt and glacial activity.

The watershed context

The Lower Fraser - Bridge watershed, where the Seton River is located, features a variety of waterways that all contribute to the hydrological character of this mountainous region. Nearby rivers like the Bridge River and Cayoosh Creek complement the landscape, each carving unique paths through the rugged terrain. The freshet season here, typically peaking between May and July, is driven by the snowpack accumulated in the colder months. As temperatures rise, this snowpack rapidly melts, feeding the rivers and invigorating the surrounding ecosystem.

Why the data matters here

Understanding the current conditions of the Seton River is crucial for managing the health of the watershed. The station measures flow data and can provide important insights about the river's behavior throughout the year. Today’s reading can be directly compared to the median for this calendar day over the past 49 years, as provided by the Water Survey of Canada. This comparison not only benchmarks the present water level but can also indicate trends and variances that are vital for local communities, including cottagers, farmers, and flood-watchers. Observing these changes can empower residents to prepare for seasonal variances that influence irrigation, recreation, and habitat sustainability along the Seton River.

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