Hawaii Minor Flood Advisory | Effective 08/17/2026 00:05

Headline: 
Flood Advisory issued August 16 at 9:05PM HST until August 16 at 10:15PM HST by NWS Honolulu HI
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
August 17, 2026 - 12:05am
Expires: 
August 17, 2026 - 1:15am
Description: 
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...The island of Oahu in Honolulu County... * WHEN...Until 1015 PM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. * ADDITIONAL DETAILS... - At 904 PM HST, Doppler radar indicated moderate to locally heavy showers over the Koolau Mountains and windward Oahu. The heaviest showers continue to fall at a rate of up to one inch per hour, mainly north of Kaneohe. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Waiahole, Waikane, Kahaluu, Ahuimanu, Kaaawa, Kaneohe, Punaluu, Kaneohe Marine Base, Hauula, Kalihi, Maunawili and Kailua.
Instruction: 
Stay away from streams, drainage ditches and low lying areas prone to flooding.
Area Description: 
Oahu in Honolulu, HI
Forcast Office: 
NWS Honolulu HI
Sender: 
w-nws.webmaster@noaa.gov