First published Oct 26, 2026, 2:10:15 PM UTC · Last updated Oct 26, 2026, 2:10:15 PM UTC

Floods

Flood Watch issued October 26 at 3:05AM HST until October 29 at 5:00AM HST by NWS Honolulu HI

Reported by U.S. National Weather Service Alerts NWS

The watch covers all main Hawaiian Islands from Tuesday morning through late Wednesday night, with heavy rain, isolated thunderstorms, and possible flash flooding. Flood-prone roads and low-lying areas may be closed, and urban flooding and property damage are possible.

At a glance

Affected location: Hawaii

Illustrative image: Wailuku River, Hilo, Big Island, Hawaii, United States — Robert Linsdell from St. Andrews, Canada/Wikimedia Commons, CC BY 2.0

Share this event

Follow: Floods in Hawaii

Manage follows

Why it matters

The alert identifies possible flash flooding and related impacts across the Hawaiian Islands.

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 7/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 3/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 3/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

U.S. National Weather Service Alerts NWS Flood Watch issued October 26 at 3:05AM HST until October 29 at 5:00AM HST by NWS Honolulu HI

Report an issue

Read our editorial process and corrections policy.

Continue exploring

Related developments reported in the last 30 days. These are not necessarily ongoing incidents.

Same topic
Orange Flooding Warning issued for United Kingdom - Poole Harbour at West Quay and Lower Hamworthy QuayOct 26, 2026, 12:58 PM UTC
An official Meteoalarm alert reports a severe, immediate flood warning for Poole Harbour at West Quay and Lower Hamworthy Quay, valid from 26 to 28 October 2026. The alert says flooding is likely but provides no observed impact details.
Same topic
Orange Flooding Warning issued for United Kingdom - Isolated low lying properties along the tidal River WaveneyOct 26, 2026, 9:33 AM UTC
An official Meteoalarm alert reports a severe, likely flood warning for isolated low-lying properties along the tidal River Waveney. It is marked immediate and expires on 28 October 2026.
Same topic
Orange Flooding Warning issued for United Kingdom - Riverside properties along the tidal River Yare including Cantley, Brundall and ReedhamOct 26, 2026, 9:33 AM UTC
An official Meteoalarm warning reports a severe, immediate flood warning for riverside properties along the tidal River Yare, including Cantley, Brundall and Reedham. The warning is listed as actual and likely.
Same topic
Orange Flooding Warning issued for United Kingdom - Irish Sea at New BrightonOct 26, 2026, 9:13 AM UTC
An official Meteoalarm update reports a severe flood warning with immediate urgency for the Irish Sea at New Brighton. No impacts are reported.
Same topic
Flash Flood is likely to occur at isolated places over Kollam, Pathanamthitta, Thiruvananthapuram in next 24 hours.Oct 26, 2026, 8:29 AM UTC
A flash flood is likely at isolated places in Kollam, Pathanamthitta, and Thiruvananthapuram within the next 24 hours. The alert lists severity as moderate and urgency as expected.
Same topic
Coastal Flood Warning issued October 26 at 1:28AM PDT until October 29 at 1:00PM PDT by NWS San Diego CAOct 26, 2026, 8:28 AM UTC
Significant coastal flooding is expected in San Diego County coastal areas and Orange County coastal areas during late-morning high tides, through 1 PM PDT Thursday. The alert says roads may close and low-lying property and some critical infrastructure may be inundated.

Loading related developments…

Explore floods in hawaii