Severe Flood ● Monitoring
Flood Watch issued October 29 at 3:45AM HST until October 29 at 6:00PM HST by NWS Honolulu HI, United States of America
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A trough over the eastern half of the state will continue to focus
return showers to the islands through the day. Pockets of heavy rain
and isolated thunderstorms may produce flash flooding over Maui and
Hawaii Counties.
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Molokai, Lanai, Maui, Kahoolawe and Big Island.
* WHEN...Through this afternoon.
* IMPACTS...Flood prone roads and other low lying areas may be closed
due to elevated runoff and overflowing streams. Urban areas may
receive more significant flooding and property damage due to rapid
runoff.
* ADDITIONAL DETAILS...
- A trough continues to lay over the eastern half of the state
within a very moist and fairly unstable environment. Energy
moving up from the southwest may initiate return periods of
moderate to locally heavy rainfall. This rain has a high
probability of focusing on Maui and Hawaii Counties. Locally
moderate to heavy showers, with possible isolated thunderstorms,
may produce short-lived intense rain rates through the day.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Lanai Mauka; Kahoolawe; Maui Windward West; Maui Leeward West; Haleakala Summit; Kona; Kohala; Big Island Interior; Big Island Summit; Molokai Windward; Mo |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Future |
| Cap Certainty | Possible |
| Cap Expires | 2026-10-29T17:45:00-10:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportThis event as JSON · API and licence
Source updated 4 days ago (Oct 29, 2026 13:46 UTC) · we last heard from WMO Alert Hub (national weather services) 52 seconds ago
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About this location
The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.
Area as the agency stated it: Lanai Mauka; Kahoolawe; Maui Windward West; Maui Leeward West; Haleakala Summit; Kona; Kohala; Big Island Interior; Big Island Summit; Molokai Windward; Mo
Official authorities in United States
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for United States →What to do
Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.
Flood preparation, evacuation decisions, and the dangers of driving or walking through floodwater.
Open Flood Safety Guide →Earlier flood events in United States
Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.
Nearby & related events
Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.