Severe · Flood WatchActive alert

Flood Watch issued September 8 at 3:41PM HST until September 9 at

Affecting Kona; Kohala; Big Island Interior; Big Island Summit; Big Island South; Big Island Southeast; Big Island East; Big Island North

In effect until: Sep 9, 2026, 3:45 PM

Kona; Kohala; Big Island Interior; Big Island Summit; Big Island South; Big Island Southeast; Big Island East; Big Island North

Possible impact zone; conditions develop through 3:45 PM.

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

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Read the original bulletin (official text)

A weak band of moisture just east of the Big Island will move west
on Wednesday and may produce flooding on the Big Island during the
afternoon.

* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...The Big Island.

* WHEN...Through Wednesday afternoon.

* IMPACTS...Flood prone roads and other low lying areas may be closed
due to elevated runoff and overflowing streams. Urban areas may
receive more significant flooding and property damage due to rapid
runoff.

* ADDITIONAL DETAILS...
- Trailing moisture along the eastern flank of Hurricane Lowell
will bring periods of heavy rain to the main Hawaiian islands
through this afternoon.

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Flood Watch issued September 8 at 3:41PM HST until September 9 at

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