StormCast — Weather & Emergency Alerts

Guadalupe River (CA) above Hwy 101 at San Jose
California — Water Level & Flood Stage

Located in Santa Clara County, California on the Guadalupe River (CA). Live water level data from USGS gauge 11169025, updated every 15 minutes.

Current Water Level

Gage Height

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Streamflow

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Last Reading

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Flood Stages

Major Flood

21 ft

18,000 cfs

Moderate Flood

20 ft

14,000 cfs

Minor Flood

19 ft

9,794 cfs

Action Stage

17 ft

7,256 cfs

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

What Floods at Each Level

21 ft

Major Flooding: Levee overtopping, with failures likely along both sides of the river between US-101 and Trimble flowing in a northerly direction.

20 ft

Moderate Flooding: Levee overtopping imminent. Highest risk areas are between US-101 and Trimble.

19 ft

Minor Flooding: High flows with heavy debris might cause localized blockages to cause overtopping of levees.

17 ft

Action Stage: 7256 cfs

Impact statements from the National Weather Service, describing what typically happens at each water level.

7-Day Water Level Chart

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View Official NWS Hydrograph →

About This Gauge

USGS Site

11169025

NWS LID

GSJC1

River

Guadalupe River (CA)

County

Santa Clara, CA

Coordinates

37.3738°N, 121.9330°W

Get Flood Alerts for Guadalupe River (CA)

StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.

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Frequently Asked Questions

What is the current water level of Guadalupe River (CA) above Hwy 101 at San Jose?

The Guadalupe River (CA) above Hwy 101 at San Jose gauge is maintained by USGS (site 11169025) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.

What is flood stage for Guadalupe River (CA) above Hwy 101 at San Jose?

The NWS-defined flood stage for Guadalupe River (CA) above Hwy 101 at San Jose is 19 feet. Action stage begins at 17 feet. Moderate flooding starts at 20 feet, and major flooding at 21 feet.

How do I get alerts when Guadalupe River (CA) rises?

Download StormCast free on Google Play, go to River Gauges, and add Guadalupe River (CA) above Hwy 101 at San Jose to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.

Where is the Guadalupe River (CA) above Hwy 101 at San Jose gauge located?

The gauge is located in Santa Clara County, California at coordinates 37.3738°N, 121.9330°W. USGS site number: 11169025. Data is provided by the U.S. Geological Survey and the National Weather Service.

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Source & Notes

Data provided by: SCVWD, Observations courtesy of U.S. Geological Survey