Flash Flood Warning Issued for Oahu Through Friday Afternoon
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
The National Weather Service has issued a Flash Flood Warning for the island of Oahu as heavy rain causes significant rises in local streams.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Oahu, Hawaii
- Issued
- April 6, 2026
- Issuing authority
- NWS Honolulu HI
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Oahu, Hawaii.
Alert Details
The National Weather Service in Honolulu has issued a Flash Flood Warning for the island of Oahu. The warning was issued at 12:22 PM HST and is currently in effect.
Affected Areas
The warning covers the entire island of Oahu in Honolulu County. Flash flooding is ongoing or expected to begin shortly across the region.
What You Should Do
Residents are advised to stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. Avoid low-lying areas and be prepared for potential road closures. If you encounter a flooded roadway, turn around; do not drown.
Expected Conditions
As of 12:22 PM HST, radar indicated heavy rain falling at a rate of 1 to 3 inches per hour. Significant rises have been observed on area streams, and additional heavy rain is moving into the area.
Hazards include:
- Flooding in drainages, streams, rivers, roads, and properties.
- Possible public road closures.
- Potential landslides in steep terrain.
Timeline
The Flash Flood Warning is effective from 12:22 PM HST until 3:30 PM HST on March 13, 2026.
Original source: NOAA Official Notice ↗
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