River Thames at Marsh Lock
The River Thames at Marsh Lock read 0.222 m at .
- Newest reading
- 0.222 mProvisional
- Change
- +0.006 m in a day
- +0.012 m in a week
That is within the typical range of 0.111 m to 0.4 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 | |
| no value | |
| 0.214 m | |
| 0.220 m | |
| 0.247 m | |
| 0.248 m | |
| 0.267 m | |
| 0.259 m | |
| 0.258 m | |
| 0.241 m | |
| 0.233 m | |
| 0.236 m | |
| 0.237 m | |
| 0.240 m | |
| 0.230 m | |
| 0.233 m | |
| 0.231 m | |
| 0.228 m | |
| 0.226 m | |
| 0.222 m | |
| 0.221 m | |
| 0.210 m | |
| 0.208 m | |
| 0.213 m | |
| 0.214 m | |
| 0.212 m | |
| 0.213 m | |
| 0.222 m | |
| 0.227 m | |
| 0.235 m | |
| 0.219 m | |
| 0.220 m | |
| no value | |
| no value |
Normal range and official levels
- Typical range, low: 0.111 m. The newest reading is 0.111 m above it.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
- Typical range, high: 0.4 m. The newest reading is 0.178 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: 0.298 m at 15:15 BST on 8 September 2026. Provisional data.
- Lowest reading in our series since 2 October 2025: 0.174 m at 14:30 BST on 25 September 2026. Provisional data.
- Highest daily average in our series since 2 October 2025: 0.268 m on 7 October 2025. Provisional data.
- Lowest daily average in our series since 2 October 2025: 0.208 m on 24 September 2026. Provisional data.
As the source publishes them
- Lowest on record: -0.45 m, on 7 November 1997.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
- Highest in recent years: 1.269 m, on 10 February 2014.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
- Highest on record: 1.633 m, on 1 November 2001.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
About this gauge
Marsh Lock is a gauge on the River Thames in the United Kingdom.
It lies at 51.5288° N, 0.8857° 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.