Kamehameha Highway in Windward Oahu reopens after severe flooding
HONOLULU (HawaiiNewsNow) – Flooding temporarily closed Kamehameha Highway from Waikane Valley Road to Waiahole Valley Road for roughly two hours Sunday afternoon.
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The Honolulu Police Department closed the highway in both directions at around 3:45 p.m. due to the flooding, with water reaching about 2.5 feet over the road.
Oahu #hitraffic #hiwx 9/6/26 3:45PM:
Per HPD, Kamehameha Hwy closed from Waikane Valley Rd to Waiahole Valley Rd due to flooding. Both lanes closed off.— Hawaii DOT (@DOTHawaii) September 7, 2026
The National Weather Service issued a flash flood warning until 5:30 p.m. as heavy showers spread over Windward Oahu, with heavy rain falling at 1 to 3 inches per hour over the Central Koolau Mountains.
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Video shows muddy waters flooding in front of popular Hawaiian food restaurant Waiahole Poi Factory, as drivers pass the flooded areas.
The U.S. Geological Survey estimated Waiahole Stream reached its highest level at over 16 feet just after 3 p.m.
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As of 4:30 p.m., it was around 13 to 14 feet. View the stream level data here.
Police and fire crews have responded to the area.
As of 5:23 p.m., officials said the road has been reopened.
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