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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.

Honokohau Stream near Honokohau, Maui Water Level

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

About Honokohau Stream near Honokohau, Maui

Honokohau Stream - a vital vein in Maui’s ecosystem.

Nestled in the rich landscape of Maui, Honokohau Stream flows near the community of Honokohau, embodying the rapid and dynamic hydrological patterns typical of tropical island environments. Known for its swift response to rainfall, this stream is part of a network that includes several neighboring waterways, such as Haipuaena Stream and Honomanu Stream, contributing to the region's intricate watershed.

The watershed context

In the short and steep basins of Maui, rainfall often triggers immediate rises in stream levels, leading to flash floods that can occur within minutes to hours. Honokohau Stream, with a drainage area of approximately 4.2 square miles (about 11 square kilometers), drains a small but essential catchment that feeds this vibrant river system. This swift response is characteristic of the tropical island hydrology of Hawaii, shaped by trade winds and the unique convergence of weather patterns.

During periods of heavy rain, Honokohau Stream can significantly increase in flow, showcasing the remarkable adaptability of the watershed. In contrast, during drier times, flows may stabilize, allowing the surrounding ecosystem to thrive. Understanding these dynamics is crucial for anyone engaging in recreational activities, agriculture, or flood monitoring in the area.

Why the data matters here

Today's reading from the Honokohau Stream gauge, maintained by the U.S. Geological Survey (USGS), provides valuable insight. By comparing this reading against the median for today across the station's historical record spanning over 50 years, we understand not just the immediate conditions but how current levels fit into a broader climatic context. This data offers critical information for local stakeholders, enabling more informed decisions regarding land use and resource management, especially in a region where rainfall variability can be extreme.

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