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Flood advisory for Hawaii Island due to heavy rains Thursday (Sept 17)

Weather advisory map via National Weather Service/NOAA

Weather advisory map via National Weather Service/NOAA

The National Weather Service in Honolulu has issued a flood advisory for Hawaii Island until 4:30 p.m. Thursday (Sept 17).

At 1:36 p.m. weather radar indicated heavy showers developing over several different areas of Hawaii island with the heaviest showers once again affecting the area between Honaunau and Keahole Point including Kailua-Kona town. Additional heavy showers will affect the leeward Kohala area from Mahukona to Kawaihae and areas upslope of these communities. Heavy rainfall is also occurring over the Ka‘u slopes upslope from communities from Wood Valley to Naalehu.

Locations in the advisory include, but are not limited to, Kailua-Kona, Captain Cook, Holualoa, Keauhou, Honaunau as well as the Ka‘u and leeward portions of the North and South Kohala districts.

Campers and hikers should avoid low lying flood prone areas. People should stay away from streams, drainage ditches and low lying areas prone to flooding. The rainfall and runoff will cause hazardous driving conditions due to ponding, reduced visibility and poor braking action. Excessive runoff may cause rockslides and mudslides in steep terrain.

Do not cross fast flowing or rising water in your vehicle or on foot. Turn around, don’t drown.

This advisory may be extended beyond 4:30 p.m. if heavy rains continue.

For links to the latest weather forecasts, reports, radar and satellite imagery visit our Weather Page at

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