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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.

Hanapepe Riv blw Manuahi Str near Eleele, Kauai Water Level

Live river level, flow, historical records and forecast for Hanapepe Riv blw Manuahi Str near Eleele, Kauai in HI, United States, built from official government gauge data.

About Hanapepe Riv blw Manuahi Str near Eleele, Kauai

Hanapepe River - A dynamic force of nature on Kauai.

The Hanapepe River below Manuahi Stream near Eleele is a testament to the power of tropical hydrology. With an upstream catchment of approximately 18.5 square miles, this river flows through Kauai’s lush landscape, shaped by the island's unique weather patterns. The region is influenced by trade winds and Kona storms, which can rapidly elevate water levels in the river, creating a dramatic flash-flood potential not seen in more temperate climates.

Why the data matters here

Monitoring the Hanapepe River is vital for understanding and anticipating the challenges associated with its rainfall-driven nature. Each reading from the river gauge offers essential insights as flash floods can occur within minutes, posing risks to nearby communities and ecosystems. By engaging with the data provided by the U.S. Geological Survey (USGS), local residents, farmers, and anyone involved in water management can better prepare for these swift changes.

Today’s gauge reading reflects how current conditions compare with historical patterns, using the median for this calendar day across more than 50 years of monitoring history. This context is crucial as it puts today's water levels into perspective, enabling better decision-making in the face of Kauai's variable weather.

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