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



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: Jul 01, 2025 at 9:56 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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Official 7 Day National Weather Service Forecast   (CAZ510)
rest of Today: Sunny. Highs near 90. West winds 15 to 20 mph.

Tonight: Clear. Lows in the upper 50s. West winds 10 to 20 mph.

Wednesday: Sunny. Highs near 90. West winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon.

Wednesday Night: Clear. Lows in the upper 50s. Southwest winds 10 to 20 mph.

Thursday: Sunny in the morning then becoming partly cloudy. Highs in the 80s. Southwest winds 5 to 10 mph and becoming west 10 to 20 mph in the afternoon.

Thursday Night: Mostly clear. Lows in the mid 50s.

Independence Day through Saturday Night: Clear. Highs in the 80s. Lows in the mid 50s.

Sunday through Monday: Mostly clear. Highs in the mid 80s to lower 90s. Lows in the upper 50s.