Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 950.02 ft | 2002-07-06 |
| 2 | 942.68 ft | 1987-06-19 |
| 3 | 937.57 ft | 1997-06-27 |
| 4 | 937.31 ft | 1992-03-09 |
| 5 | 930.76 ft | 1991-12-28 |
| 6 | 930.61 ft | 1978-08-04 |
Flood crests recorded at this gauge by the National Weather Service.
River stage
Canyon Lake, Guadalupe River
- River level
- 907.87 ft
- Status
- Below flood stage
- Action stage
- 943.00 ft
- Flood stage
- 943.00 ft
- Record crest
- 950.02 ft
Last reported 2026-10-13 | NWS SMCT2
- Record crest
- 950.02 ft
- Flood stage
- 943.00 ft
- Moderate flood
- 945.00 ft
- Major flood
- 945.00 ft
- Crest date
- 2002-07-06
In brief
The Guadalupe River at Canyon Lake, TX read 907.87 ft on Oct 13, 2026, 35.13 ft below action stage.
Source: National Weather Service gauge SMCT2
Stage threshold profile
What happens at each level
- 913.00 ft
Canyon Lake is four feet into the flood pool, potentially damaging boats and flooding docks if ties are not loosened.
- 930.00 ft
All marinas, docks, parks, and roads to facilities around the lake are under water.
- 943.00 ft
Flow goes uncontrolled across the emergency spillway. Lakeside recreation facilities flood. Parks, docks, marinas, restaurants, and lakeside roads are severely flooded and damaged.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Guadalupe River flooding at Canyon Lake?
No. The Guadalupe River at Canyon Lake is at 907.87 ft, 35.13 ft below action stage.
What is the flood stage at Canyon Lake?
The National Weather Service sets action stage 943 ft, minor flooding 943 ft, moderate flooding 945 ft and major flooding 945 ft.
What is the highest the Guadalupe River has been at Canyon Lake?
The highest crest on record is 950.02 ft, on 2002-07-06.
Stage and flood information from the NOAA National Weather Service (gauge SMCT2); daily history from the U.S. Geological Survey (site 08167700). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.