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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.

Nailiilihaele Stream near Huelo, Maui Water Level

Live river level, flow, historical records and forecast for Nailiilihaele Stream near Huelo, Maui in HI, United States, built from official government gauge data.

About Nailiilihaele Stream near Huelo, Maui

Nailiilihaele Stream - A vibrant seasonal waterway on Maui.

Nailiilihaele Stream flows near Huelo on the lush island of Maui, where the tropical climate shapes its hydrology. The stream, with a catchment area of approximately 3.7 square miles, is part of a network of waterways showcasing the region's intense rainfall-driven dynamics. As the rain pours down, it has the potential to transform serene flows into rapidly rising torrents, indicative of the vibrant environment that characterizes Maui’s streams.

Why the data matters here

The hydrological data for Nailiilihaele Stream comes from the U.S. Geological Survey (USGS). Monitoring this stream provides critical insights into water levels and potential flash flood events, which can occur suddenly due to heavy rain influenced by trade winds and Kona storms. This information is vital for locals and visitors alike to track stream conditions and prepare for any extreme weather events, ensuring safety and awareness.

Today's reading of Nailiilihaele Stream is compared against the median for this calendar day across the station's historical record of five years. Evaluating this reading against the median helps gauge the current water conditions more accurately than merely relying on raw elevation figures. Such comparisons inform stakeholders on the stream’s status and potential fluctuations, fostering a deeper understanding of this dynamic waterway.

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