Hawaii Minor Flood Advisory | Effective 09/17/2026 22:59

Headline: 
Flood Advisory issued September 17 at 7:59PM HST until September 17 at 11:15PM HST by NWS Honolulu HI
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
September 17, 2026 - 10:59pm
Expires: 
September 18, 2026 - 2:15am
Description: 
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...The island of Hawaii in Hawaii County... * WHEN...Until 1115 PM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. * ADDITIONAL DETAILS... - At 748 PM HST, Doppler radar and automated rain gauges continued to indicate moderate to locally heavy rain over the South Hilo, Puna, and Ka'u districts. Though the thunderstorms have weakened in the area and stream gauges plateaued, minor flooding may still persist for the next several hours. Rain was falling at a rate of 0.5 to 1 inch per hour. - Some locations that will experience flooding include... Hilo, Hawaiian Paradise Park, Volcano, Glenwood, Mountain View, Hawaii Volcanoes National Park, Hawaiian Acres, Orchidlands Estates, Keaau, Pahoa and Wood Valley.
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