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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.

NF Wailua Riv above N Wailua Ditch Int, Kauai Water Level

Live river level, flow, historical records and forecast for NF Wailua Riv above N Wailua Ditch Int, Kauai in HI, United States, built from official government gauge data.

About NF Wailua Riv above N Wailua Ditch Int, Kauai

NF Wailua River - A dynamic pulse of Kauai's tropical rains.

The NF Wailua River above the N Wailua Ditch Int in Kauai is a small yet vital watercourse that responds rapidly to the island's tropical rainfall. With its catchment area covering roughly 1.6 square miles, this river plays a significant role in the hydrological dynamics of Kauai's landscape. The characteristics of this stream remind us of the power and unpredictability of island hydrology, where rain-driven events can transform the water levels within minutes to hours.

The watershed context

The NF Wailua River is part of the Kauai watershed, which encompasses various waterways, including its notable peers like the EB of NF Wailua River and the Hanalei River. These nearby rivers also reflect the island's unique weather patterns, characterized by periods of intense rainfall followed by dry spells. As trade winds and storms pass through the region, the area can experience flash floods, illustrating the importance of monitoring these water levels.

Why the data matters here

Today’s reading from the USGS station at NF Wailua River is essential not just for understanding local conditions, but also for safely managing resources and planning in response to acute weather events. This reading is compared to the median for this date, which spans more than three years of historical data at the station. By evaluating the current level against this median, users can gauge the significance of today’s measurements beyond simple water height, allowing for insights into potential flooding risks or the overall health of the watershed.

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