River stage
San Jose, Guadalupe River
- River level
- 5.13 ft
- Status
- Below flood stage
- 7-day change
- +0.00 ft
- Recent high
- 5.18 ft
- Recent low
- 5.08 ft
Last reported 2026-10-13 | NWS GSJC1
- 30-day change
- +0.01 ft
- Average
- 5.12 ft
- Readings
- 122
- Data span
- 122 days
- Flood stage
- 19.00 ft
In brief
The Guadalupe River at San Jose, CA read 5.13 ft on Oct 13, 2026, 11.87 ft below action stage. That is 0.01 ft higher than 30 days earlier.
Source: National Weather Service gauge GSJC1
River level timeline
Stage threshold profile
What happens at each level
Written by the local National Weather Service forecast office for this exact gauge.
| Stage | Impact |
|---|---|
| 17.00 ft | Action Stage: 7256 cfs |
| 19.00 ft | Minor Flooding: High flows with heavy debris might cause localized blockages to cause overtopping of levees. |
| 20.00 ft | Moderate Flooding: Levee overtopping imminent. Highest risk areas are between US-101 and Trimble. |
| 21.00 ft | Major Flooding: Levee overtopping, with failures likely along both sides of the river between US-101 and Trimble flowing in a northerly direction. |
Frequently asked questions
Is the Guadalupe River flooding at San Jose?
No. The Guadalupe River at San Jose is at 5.13 ft, 11.87 ft below action stage.
What is the flood stage at San Jose?
The National Weather Service sets action stage 17 ft, minor flooding 19 ft, moderate flooding 20 ft and major flooding 21 ft.
What is the highest the Guadalupe River has been at San Jose?
The highest recent USGS reading is 5.18 ft on 2026-09-22.
Is the Guadalupe River high or low right now at San Jose?
At 5.13 ft it is higher than 69% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge GSJC1); daily history from the U.S. Geological Survey (site 11169025). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.