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
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.
Inside the freshet cycle that puts Manitoba shorelines at risk each year - and why 2026 broke the script.
The science of snow water equivalent and why it drives the season ahead.
What the numbers on the measuring stick actually tell you.
Why Central and South Texas rivers go from gravel beds to fifty-year records in an afternoon - including July 2026 on the Nueces.
One percent, every year, forever - unwrapping hydrology's most misunderstood phrase, and how it differs from our own percentiles.
Lac Saint-Jean Water Level
Live lake level, flow, historical records and forecast for Lac Saint-Jean in Alma; Lac-Saint-Jean-Est, QC, Canada, built from official government gauge data.
- Location Alma; Lac-Saint-Jean-Est, QC, Canada
- Watershed lac saint jean
- Primary gauge 062914 (Quebec CEHQ)
About Lac Saint-Jean
Lac Saint-Jean - A significant water body in Quebec.
Lac Saint-Jean is a large, captivating lake situated in the Alma region of Lac-Saint-Jean-Est, Quebec. Covering the area with its vast surface, Lac Saint-Jean serves as a crucial part of the local hydrology and provides many opportunities for recreation and nature observation.
The watershed context
The lake rests within a substantial watershed, draining roughly 71,584 square kilometres above the station. This considerable catchment area contributes to the lake's water levels, especially during the spring freshet, which occurs in April and May due to snowmelt. This seasonal rhythm is typical for the province, where the influx of meltwater can lead to higher water levels as compared to other times of the year.
As summer approaches, the lake typically experiences a decline in water levels, a natural effect of evaporation and lower inflow. Early ice formation marks the transition into the colder months, reminding residents and visitors of the cyclical nature of this water body.
Why the data matters here
Monitoring water levels at Lac Saint-Jean is essential, especially as the region is prone to significant seasonal shifts. Today's measurement from the station operated by CEHQ provides valuable insights into the lake's current state. It is beneficial to compare today's reading against the median for this calendar day across 40 years of historical records, as it informs water users and community members about potential fluctuations and trends. This context enhances understanding and supports decision-making for activities reliant on the lake, such as fishing and recreation.
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
