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Flood advisory extended for Hawaii Island, roadway closures due to flooding/landslides

Weather advisory map via National Weather Service/NOAA

Weather advisory map via National Weather Service/NOAA

The National Weather Service in Honolulu has extended the flood advisory for Hawaii Island until 7:45 p.m. Tuesday (Oct 6).

At 4:50 p.m. weather radar showed persistent rain that will cause minor flooding from Volcano to South Point. The weather radar showed rain falling at up to one inch per hour.

Locations in the advisory area include, but are not limited to, Hawaiian Ocean View Estates, Kawa Flats, Pahala, Naalehu, Wood Valley, Punaluu Beach and Volcano.

This advisory may be extended beyond 10:45 p.m. if the heavy rains continue.

Road closures

Kahana Drive in the Ahualoa area is closed between the three and four mile markers due flooding.


A landslide is blocking the Hilo-bound lane of Mamalahoa Highway (Route 19) at Kawalii Gulch. Expect delays up to 10:30 a.m. as travelers in both directions take turns using the road. State Highways workers are on the scene to clear the debris.

Hazards to watch for

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.

Debris in streams and gulches may clog bridges and culverts resulting in flooding outside normal water channels causing damage.

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

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

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