National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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SAN ANTONIO CREEK - SAN ANTONIO RESERVOIR (ANOC1)
Latitude: 37.57º NLongitude: 121.85º WElevation: 468 Feet
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Jun 22, 2025 at 9:05 AM PDT
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
Threshold Exceedance Plot                  Product Information        CSV Ensemble Files (Data in kcfs):  Forecast Group  |  ANOC1

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What information is considered in this forecast?
Verification / Historical Plots
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Official 7 Day National Weather Service Forecast   (CAZ510)
rest of Tonight: Mostly clear. Lows in the 50s. Southwest winds around 5 mph.

Monday: Sunny. Highs in the upper 80s. West winds 5 to 15 mph.

Monday Night: Mostly clear. Lows in the mid 50s. Southwest winds 5 to 15 mph.

Tuesday: Sunny. Highs in the lower to mid 80s. Southwest winds 5 to 15 mph.

Tuesday Night: Mostly clear. Lows in the mid 50s. Southwest winds 5 to 15 mph.

Wednesday: Partly cloudy in the morning then becoming sunny. Highs in the mid 80s to lower 90s.

Wednesday Night through Thursday Night: Clear. Lows in the mid to upper 50s. Highs in the mid 80s to lower 90s.

Friday: Sunny. Highs in the mid to upper 80s.

Friday Night through Saturday Night: Clear. Lows in the upper 50s. Highs in the mid 80s to lower 90s.

Sunday: Sunny. Highs in the mid 80s to lower 90s.