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Tropical Storm Watch Issued for San Diego County Coastal Areas

October 9, 2026 · wweather1 editorial · 2 min read

The National Weather Service in San Diego has issued a Tropical Storm Watch for San Diego County coastal areas on October 9. Tropical storm-force winds are possible within the watch area over the next 48 hours.

The National Weather Service San Diego CA issued the watch on October 9 at 7:59 AM PDT. Affected locations include Oceanside, Carlsbad, Chula Vista, and San Diego.

Latest local forecasts project peak winds of 10 to 20 mph with gusts up to 30 mph, though there is potential for winds reaching 39 to 57 mph. Officials advise that efforts to protect property should be underway to prepare for limited wind damage.

Potential impacts include damage to porches, awnings, carports, sheds, and unanchored mobile homes, alongside unsecured objects being blown around. Many large tree limbs could be broken off, and a few trees may be snapped or uprooted, particularly shallow-rooted trees in coastal and valley locations.

Road conditions may become hazardous on bridges and elevated roadways, with a few roads potentially becoming impassable due to debris. Scattered power and communications outages are also possible. Latest storm surge forecasts are currently unavailable and will be updated shortly.

Why it is dangerous and what to do

⚠️ Safety
• Secure lightweight outdoor objects that could be blown about by strong winds.
• Complete property protection preparations before conditions become hazardous.
• Drive with extra caution, especially on bridges, elevated roadways, and heavily wooded streets.
• Prepare for possible scattered power and communications outages.
📊 The numbers, from wweather1 data
San Diego: now +22°, Clear.
That is 1° below the October climate norm.
The record for this date is +33° (1950).
Three-day forecast: 13 October: +22°/+16° · 14 October: +27°/+13° · 15 October: +31°/+17°
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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