Hawaii Flow Report

RIVER FLOWS WEATHER HYDROLOGY
April 19, 2024



Streamflow levels across Hawaii are currently 130.0% of normal, with the Sf Wailua River Nr Lihue reporting the highest discharge in the state with 3100cfs and gauge stage of 12.24 ft. Meanwhile, the Waimea River Nr Waimea is seeing a spike in streamflows today after experiencing a 773.42% increase since yesterday, and currently running at 276cfs.

Maximum gauge stage in the state was last observed at the Sf Wailua River Nr Lihue, currently reporting a stage of 12.24ft. The Wainiha River Nr Hanalei in the Kauai watershed is surging for this time of year at 361cfs, about 272.01% of normal.


Surface Flow Characteristics


Hawaii's hydrology is characterized by limited surface water due to high evapotranspiration rates and steep topography. Major surface flows include the Wailuku, Wailoa, and Kailua streams on the island of Hawaii, and the Hanalei and Wailua rivers on Kauai. The state has several reservoirs and dams, with the largest being the Kaloko Reservoir on Kauai. Hawaii's climate is tropical, with rainfall varying greatly across the islands and between seasons. The leeward sides of the islands are generally dry, while the windward sides receive more moisture. Watershed health is crucial to maintain water quality and quantity, with some watersheds experiencing degradation due to land use changes and invasive species. Snowpack is not relevant to hydrology in Hawaii due to its location in the tropics.


Streamgauge Profile


Statewide Warnings & Alerts


Watersheds of Hawaii


Popular Whitewater Destinations

River Run Status Streamflow (CFS) Air Temp (F)
Flow Reports by Region

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