Hawaii Flow Report


Surface Flows River Levels Reservoirs
March 19 2024

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Hawaii Flow Report

March 19 2024



Streamflow levels across Hawaii are currently 40.0% of normal, with the Kaunakakai Gulch At Altitude 75 Feet reporting the highest discharge in the state with 111cfs and gauge stage of 3.54 ft. Meanwhile, the Waikamoi Str Ab Res At Kula Pl Intake Nr Olinda is seeing a spike in streamflows today after experiencing a 683.33% increase since yesterday, and currently running at 0.47cfs.

Maximum gauge stage in the state was last observed at the Waiahole Stream Above Kamehameha Hwy, currently reporting a stage of 8.66ft. The Kaunakakai Gulch At Altitude 75 Feet in the Molokai watershed is surging for this time of year at 111cfs, about 148.66% 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.


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Watersheds of Hawaii


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