First published Oct 28, 2026, 7:17:15 PM UTC · Last updated Oct 28, 2026, 7:17:15 PM UTC

Coastal and marine hazards

Coastal Flood Warning — NWS San Diego CA

Original source title

Coastal Flood Warning issued October 28 at 11:46AM PDT until October 29 at 1:00PM PDT by NWS San Diego CA

Reported by U.S. National Weather Service Alerts NWS

A coastal flood warning covers coastal areas of San Diego and Orange counties through 1 p.m. PDT on October 29, with a coastal flood advisory following through 2 p.m. PDT on October 30. The source reports possible road closures, inundation of low-lying property and infrastructure, and shoreline erosion.

At a glance

Affected location: San Diego County Coastal Areas and Orange County Coastal Areas
A coastal flood warning covers coastal areas of San Diego and Orange counties through 1 p.m.

Illustrative image: Map of the Newport Bay watershed in Orange County, California with the main tributary San Diego Creek highlighted. Drainage boundaries and stream courses from OC Watersheds . — Shannon1/Wikimedia Commons, CC BY-SA 4.0

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Why it matters

The source instructs residents and infrastructure managers to protect flood-prone property and advises against driving around barricades or through water of unknown depth.

Location

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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 28 at 11:46AM PDT until October 29 at 1:00PM PDT by NWS San Diego CA

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