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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Waimanalo Str at Waimanalo, Oahu Water Level
Live river level, flow, historical records and forecast for Waimanalo Str at Waimanalo, Oahu in HI, United States, built from official government gauge data.
- Location HI, United States
- Watershed oahu
- Primary gauge 16249000 (USGS)
About Waimanalo Str at Waimanalo, Oahu
Waimanalo Stream - A dynamic waterway of Oahu.
Waimanalo Stream flows through the lush landscapes of Oahu, showcasing the island's tropical character. Known for its rapid response to rainfall, this stream is a vital feature of the Waimanalo hydrology, impacted by seasonal rains and trade-wind patterns.
The watershed context
Waimanalo Stream is part of the broader Oahu watershed, with its catchment area approximately 2.1 square miles. Here, steep basins create the potential for flash floods, highlighting the importance of monitoring this stream in both daily life and extreme weather events. Steep terrain allows rainwater to rapidly accumulate, prompting swift rises in water levels that can occur within minutes to hours.
Nearby, other waterways like Heeia Stream and Kahaluu Stream also share the landscape, forming a network of interconnected ecosystems all influenced by Hawaii's unique weather patterns. The region is subject to rainfall-driven events, especially during the wet season, which makes understanding these dynamics essential for local residents and stakeholders.
Why the data matters here
Real-time data from the US Geological Survey (USGS) at the Waimanalo Stream station provides crucial insights into the water level measurements and discharge rates. Comparing today's reading against the median for this calendar day across the station's historical record of 11 years allows for accurate assessments of current conditions. This analysis is far more informative than a straightforward elevation figure, helping residents and flood-watchers to make informed decisions during periods of heavy rain or potential flooding. The swift-water response for Waimanalo Stream must be accounted for, especially for those who engage in recreational activities or live nearby.
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
