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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.

Waikele Str at Waipahu, Oahu Water Level

Live river level, flow, historical records and forecast for Waikele Str at Waipahu, Oahu in HI, United States, built from official government gauge data.

About Waikele Str at Waipahu, Oahu

Waikele Stream - A vital waterway on Oahu's landscape.

The Waikele Stream at Waipahu flows through the heart of Oahu, carving its path through the landscape and shaping the ecosystems around it. As a tropical island stream, it experiences rapid changes in water levels due to the region’s rainfall-driven hydrology. Although there is no snowmelt season to temper the flow, heavy rainfall from trade-wind and Kona storms can lead to flash floods that develop in mere minutes.

The watershed context

Waikele Stream serves a drainage area of approximately 45 square miles, drawing water from the surrounding land and contributing to the intricate network of streams on the island. This stream is part of a greater hydrological system that includes various other local waterways, such as Heeia Stream and Honouliuli Stream. The rapid rise and fall of water levels in these streams illustrate the dynamic conditions that characterize Oahu's climate, where rainfall can dramatically impact stream flow.

The natural landscape surrounding Waikele Stream is shaped not only by the water itself but also by the tropical conditions that govern its environment. The watershed is characterized by steep basins that quickly respond to rainfall, making it crucial for local flood management efforts. Understanding the flow patterns of Waikele Stream aids in gauging the overall health of Oahu's water systems.

Why the data matters here

Water levels at Waikele Stream are monitored by the U.S. Geological Survey (USGS) and serve as important indicators for flood risk in the area. The real-time data not only assists in local flood management but also helps those who rely on this waterway for various purposes, such as agriculture and recreation.

Today’s water level reading is an essential metric when compared to the median for this calendar day across the stream's historical record of over 50 years. This comparative approach provides more context than simply relying on raw elevation figures. For anyone in the area, whether residents or visitors, understanding these data points is vital for safety and sustainable use of this important resource.

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