Flood Advisory — Oahu in Honolulu County, Hawaii
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Current Status
🌊 Active: Flood Advisory
Flood Advisory issued August 16 at 3:52AM HST until August 16 at 6:45AM HST by NWS Honolulu HI
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...The island of Oahu in Honolulu County... * WHEN...Until 645 AM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. * ADDITIONAL DETAILS... - At 349 AM HST, Doppler radar indicated moderate to locally heavy rain over Oahu with additional bands of heavy rain expected to move in over the next few hours. Rain was falling at a rate of up to 2 inches per hour. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Honolulu, Waipio, Pearl City, Mililani, Waikele, Aiea, Waipahu, Wheeler Field, Wahiawa, Kunia, Halawa and Waiahole.
Effective August 16, 2026 at 9:52 AM ET · Expires August 16, 2026 at 12:45 PM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS Honolulu HI
Expires
August 16, 2026 at 12:45 PM ET
Last Checked
8 hours ago
What To Do
📋 Official NWS Guidance
Stay away from streams, drainage ditches and low lying areas prone to flooding. A Flood Watch remains in effect.
Other Active Alerts in Hawaii
Flood Advisory
Flash Flood Warning
Flood Advisory
Flash Flood Warning
Flash Flood Warning
Flash Flood Warning
Get Flood Advisory Alerts for Oahu in Honolulu County
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Frequently Asked Questions
What does a Flood Advisory mean for Oahu in Honolulu County, Hawaii?
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Is this Flood Advisory currently active?
Yes — this alert is active as of our last check (8 hours ago). It's set to expire August 16, 2026 at 12:45 PM ET.
How do I get notified about Flood Advisory alerts for Oahu in Honolulu County?
Download StormCast free on Google Play and set Oahu in Honolulu County, Hawaii as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.