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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.

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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

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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.

Simpson Creek near Koprino Harbour Water Level

Live water level, flow, historical records and forecast for Simpson Creek near Koprino Harbour in Canada, BC, Canada, built from official government gauge data.

About Simpson Creek near Koprino Harbour

Simpson Creek - A vibrant stream flowing near the coast.

Simpson Creek meanders near Koprino Harbour on the northeastern coast of Vancouver Island in British Columbia. This coastal waterway contributes to the rich hydrological mosaic of the region, where mountain-fed rivers intertwine with ocean influences. The creek is part of a vibrant watershed that includes other notable waterways such as the Eve River and the Keogh River.

The watershed context

Draining roughly 16.8 square kilometres above the gauge, Simpson Creek plays a significant role in the local ecosystem. The hydrology of this region is primarily influenced by mountain conditions, with snowpack driving freshet flows typically peaking from May to July. This seasonal pattern underlines the interconnectedness of the local streams, creeks, and rivers, which rise and fall as they respond to both the snowmelt and the coastal climate.

As one of the smaller streams in the watershed, Simpson Creek reflects the hydrological diversity characteristic of northeastern Vancouver Island. It connects with various peers that enhance the overall ecological balance. The creek, while modest in stature, is vital for supporting local biodiversity and maintaining the health of downstream estuarine and coastal habitats.

Why the data matters here

Monitoring the flow and health of Simpson Creek is crucial, especially in the context of changing weather patterns and climate influences. Today's reading from the gauge at Simpson Creek, a long-term record spanning over 25 years, allows for a comparison against the historical median for this calendar day. This data is essential, as it provides insight into the creek's current condition, cyclical patterns, and any deviations that might signal ecological changes. The gauge data, operated by the Water Survey of Canada, reveals not just the water levels, but also a narrative of how this stream interacts with its surroundings, making each reading a critical part of the broader understanding of the Northeastern Vancouver Island's waterscape.

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