River Thames at Sonning Lock
The River Thames at Sonning Lock read 0.216 m at .
- Newest reading
- 0.216 mProvisional
- Change
- +0.009 m in a day
- -0.001 m in a week
That is within the typical range of 0.068 m to 0.257 m that the Environment Agency gives for this station.
The last 90 days
- Level
- Our record
Table: The last 90 days
| Day | Daily average (m) |
|---|---|
| no value | |
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| no value | |
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| no value | |
| no value | |
| 0.196 m | |
| 0.197 m | |
| 0.198 m | |
| 0.195 m | |
| 0.200 m | |
| 0.205 m | |
| 0.207 m | |
| 0.206 m | |
| 0.208 m | |
| 0.207 m | |
| 0.203 m | |
| 0.196 m | |
| 0.194 m | |
| 0.205 m | |
| 0.209 m | |
| 0.209 m | |
| 0.209 m | |
| 0.210 m | |
| 0.205 m | |
| 0.207 m | |
| 0.210 m | |
| 0.209 m | |
| 0.210 m | |
| 0.214 m | |
| 0.215 m | |
| 0.214 m | |
| 0.212 m | |
| 0.211 m | |
| 0.213 m | |
| 0.216 m | |
| no value | |
| no value |
Normal range and official levels
- Typical range, low: 0.068 m. The newest reading is 0.148 m above it.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
- Typical range, high: 0.257 m. The newest reading is 0.041 m below it.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
Records
- Highest reading in our series since 2 October 2025: 0.306 m at 10:15 BST on 14 September 2026. Provisional data.
- Lowest reading in our series since 2 October 2025: 0.02 m at 11:15 BST on 22 September 2026. Provisional data.
- Highest daily average in our series since 2 October 2025: 0.218 m on 5 October 2026. Provisional data.
- Lowest daily average in our series since 2 October 2025: 0.121 m on 2 October 2025. Provisional data.
As the source publishes them
- Lowest on record: -0.1 m, on 23 July 2003.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
- Highest in recent years: 0.952 m, on 9 February 2014.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
- Highest on record: 1.05 m, on 5 January 2003.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
About this gauge
Sonning Lock is a gauge on the River Thames in the United Kingdom.
It lies at 51.4731° N, 0.9177° W.
Its readings come from the Environment Agency.
The gauge reads the height of the water above a fixed zero, not the depth of the river.
The Environment Agency says its real-time data should not be relied upon for safety critical applications.
The newest reading is provisional: the source may still correct it.