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Coastal Flood Warning Issued for San Diego and Orange County Coastal Areas

October 23, 2026 · wweather1 editorial · 1 min read

The National Weather Service in San Diego has issued a Coastal Flood Warning for San Diego and Orange County coastal areas from Sunday morning through Thursday afternoon. Significant coastal flooding is expected during morning high tides.

The National Weather Service issued the warning on October 23 at 11:03 AM PDT. The alert covers coastal areas in both San Diego County and Orange County, remaining in effect from 5:00 AM Sunday until 1:00 PM PDT Thursday.

Significant coastal flooding is forecast during the morning high tides throughout this period. Water levels may reach between 1 and 1.7 feet above predicted tides.

The expected flooding is likely to result in the closure of numerous roads. Low-lying property, including homes, businesses, and critical infrastructure, will be inundated. Shoreline erosion is also anticipated during the morning hours.

Coastal residents within the warned areas are advised to watch for rising water and take suitable steps to protect life and property.

Why it is dangerous and what to do

⚠️ Safety
• Take necessary actions to protect flood-prone property.
• Avoid driving around barricades or through water of unknown depth if travel is required.
• Be alert for rising water levels during daily morning high tides.
📊 The numbers, from wweather1 data
San Diego: now +19°, Overcast.
That is 1° below the October climate norm.
The record for this date is +33° (1965).
Three-day forecast: 23 October: +22°/+19° · 24 October: +25°/+19° · 25 October: +27°/+20°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates.

🌍 Weather in nearby cities

📰 Data source: NWS. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.

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