Hawaii Minor Flood Advisory | Effective 09/09/2026 19:36

Headline: 
Flood Advisory issued September 9 at 4:36PM HST until September 9 at 7:30PM HST by NWS Honolulu HI
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
September 9, 2026 - 7:36pm
Expires: 
September 9, 2026 - 10:30pm
Description: 
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...The island of Hawaii in Hawaii County... * WHEN...Until 730 PM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. * ADDITIONAL DETAILS... - At 433 PM HST, Doppler radar indicated heavy rain over the Kohala districts. Rain was falling at a rate of 0.5 to 1.5 inches per hour with the heaviest rates over the slopes. Minor flooding is ongoing or expected to begin shortly in the advisory area. Additional showers are expected over the next few hours. - Some locations that will experience flooding include... Waikoloa Village, Puako, Kamuela, Kawaihae, Puuanahulu, Kohala Ranch, Pololu Valley, Pohakuloa Training Area, Waikii, Mauna Lani and Waikoloa Beach.
Instruction: 
Stay away from streams, drainage ditches and low lying areas prone to flooding. A Flood Watch is also in effect for the Big Island until 6 PM HST.
Area Description: 
Hawaii in Hawaii, HI
Forcast Office: 
NWS Honolulu HI
Sender: 
w-nws.webmaster@noaa.gov