Hawaii Minor Flood Advisory | Effective 09/17/2026 20:10

Headline: 
Flood Advisory issued September 17 at 5:10PM HST until September 17 at 8:15PM HST by NWS Honolulu HI
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
September 17, 2026 - 8:10pm
Expires: 
September 17, 2026 - 11:15pm
Description: 
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...The island of Hawaii in Hawaii County... * WHEN...Until 815 PM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. * ADDITIONAL DETAILS... - At 507 PM HST, Doppler radar indicated heavy rain over the Hamakua, North Hilo, South Hilo, Puna, and Kau Districts of the Big Island.Rain was falling at a rate of 0.5 to 1 inch per hour. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Hilo, Hawaiian Paradise Park, Volcano, Glenwood, Mountain View, Hawaii Volcanoes National Park, Hawaiian Acres, Keaau, Orchidlands Estates, Papaikou and Pepeekeo.
Instruction: 
Stay away from streams, drainage ditches and low lying areas prone to flooding.
Area Description: 
Hawaii in Hawaii, HI
Forcast Office: 
NWS Honolulu HI
Sender: 
w-nws.webmaster@noaa.gov