First published Oct 23, 2026, 6:07:15 PM UTC · Last updated Oct 23, 2026, 6:07:15 PM UTC

Coastal and marine hazards

Coastal Flood Warning — NWS San Diego CA

Original source title

Coastal Flood Warning issued October 23 at 11:03AM PDT until October 29 at 1:00PM PDT by NWS San Diego CA

Reported by U.S. National Weather Service Alerts NWS

The National Weather Service expects significant coastal flooding in coastal areas of San Diego and Orange counties from 5 a.m. PDT Sunday through 1 p.m. PDT Thursday during high tides. Roads may close, and low-lying homes, businesses and critical infrastructure may be inundated.

At a glance

Affected location: San Diego County and Orange County coastal areas
PDT Sunday through 1 p.m.

Illustrative image: San Diego River from Mission Center Road in 2019 — Antony-22/Wikimedia Commons, CC BY-SA 4.0

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Why it matters

The warning advises coastal residents to protect flood-prone property and avoid driving through floodwater or around barricades.

Location

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Highlighted marker: this event.

Generated scores

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

Confidence: 8/10How 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: 5/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 6/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

U.S. National Weather Service Alerts NWS Coastal Flood Warning issued October 23 at 11:03AM PDT until October 29 at 1:00PM PDT by NWS San Diego CA

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