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

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ALAMEDA CREEK - SUNOL (AWEC1)
Latitude: 37.54º NLongitude: 121.86º WElevation: 300 Feet
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Feb 06 2025 at 2:25 PM PSTNext Issuance: Feb 07 2025 at 9:00 AM PST
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

Please Note:
1) Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.
Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View US Geological Survey (USGS) Data for this station location.

Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ515)
Rest of Tonight: Rain late in the evening, then a chance of rain after midnight. Lows in the lower 40s. Southwest winds 15 to 20 mph.

Friday: Mostly cloudy in the morning then becoming partly cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. Highs in the lower 50s. West winds 10 to 20 mph.

Friday Night: Mostly clear. Areas of frost after midnight. Lows in the mid 30s. Northwest winds 5 to 10 mph.

Saturday: Sunny. Areas of frost in the morning. Highs in the lower 50s. Northwest winds 5 to 10 mph.

Saturday Night: Clear. Lows in the mid 30s. Northwest winds around 5 mph.

Sunday: Sunny. Highs in the lower 50s.

Sunday Night: Clear. Lows in the mid 30s.

Monday: Sunny. Highs in the lower 50s.

Monday Night: Mostly clear in the evening then becoming partly cloudy. Lows in the mid 30s.

Tuesday: Partly cloudy. A chance of rain. Highs around 50.

Tuesday Night: Mostly cloudy. A chance of rain. Lows in the mid 30s.

Wednesday: Rain likely and a chance of snow. Highs in the upper 40s.

Wednesday Night and Thursday: Rain. Lows in the lower 40s. Highs in the upper 40s.
Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS San Francisco Bay Area-Monterey Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.