Alert USA
weather NWS minor San Diego County Coastal Areas; Orange County Coastal October 28, 2026 at 6:46 PM

Coastal Flood Advisory

* WHAT...For the Coastal Flood Warning, significant coastal flooding. For the Coastal Flood Advisory, minor coastal flooding expected.

* WHERE...San Diego County Coastal Areas and Orange County Coastal Areas.

* WHEN...For the Coastal Flood Warning, until 1 PM PDT Thursday. For the Coastal Flood Advisory, from 1 PM Thursday to 2 PM PDT Friday.

* IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur.

* ADDITIONAL DETAILS...Coastal residents and managers of infrastructure in the warned/advisory area should prepare for rising water and take appropriate action to protect life and property. Highest tides will occur around 11 AM on Thursday and noon on Friday. Observed high tides are 1.4 to 1.6 feet above astronomical tide predictions.

Flooding in San Diego County Coastal Areas; Orange County Coastal can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.

Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.

Alert USA is tracking this flood event and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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