High Surf in Koolau Windward, Hawaii

High Surf April 4, 2025 – April 7, 2025 · Koolau Windward, Hawaii

What the National Weather Service wrote

Large surf of 10 to 15 feet created strong currents, beach runup, and hazardous conditions for channels.

The wider storm

A large north swell brought twenty to twenty six foot waves to north facing shores and ten to fifteen foot waves to east facing shores. These waves brought dangerous conditions to affected shorelines as well as beach runup.

Source: NOAA Storm Events Database, event 1245351. Narratives are written by the National Weather Service forecast office that issued the report.

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