San Lorenzo Creek (Alameda) at San Lorenzo, CA
River level and flood forecast · Alameda County
Normal2.8 ftas of Mon 8:30 PM
Flow: 1 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 4 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts San Lorenzo Creek (Alameda) at San Lorenzo to flood, when it floods, and when it's over.
Flood stages
| Moderate flood stage | 25.5 ft |
| Action stage | 12 ft |
Up and down the river, and nearby
- UpstreamSan Lorenzo Creek (Alameda) above Hayward, CA
- Castro Valley Creek at Hayward, CA
- Cull Creek above Cull Creek Reservoir near Castro Valley, CA
- San Lorenzo Creek (Alameda) above Don Castro Reservoir near Castro Valley, CA
- Crow Creek near Hayward, CA
- Dry Creek at Union City, CA
- Alameda Creek Flood Channel at Union City, CA
- San Ramon Creek at San Ramon, CA
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SLCC1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.