River Thames at Marlow Lock
The River Thames at Marlow Lock read 0.058 m at .
- Newest reading
- 0.058 mProvisional
- Change
- -0.002 m in a day
- +0.001 m in a week
That is below the typical range of 0.06 m to 0.449 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 | |
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| no value | |
| no value | |
| 0.073 m | |
| 0.067 m | |
| 0.069 m | |
| 0.068 m | |
| 0.080 m | |
| 0.082 m | |
| 0.086 m | |
| 0.078 m | |
| 0.075 m | |
| 0.077 m | |
| 0.076 m | |
| 0.075 m | |
| 0.070 m | |
| 0.072 m | |
| 0.071 m | |
| 0.071 m | |
| 0.068 m | |
| 0.068 m | |
| 0.065 m | |
| 0.062 m | |
| 0.059 m | |
| 0.062 m | |
| 0.062 m | |
| 0.061 m | |
| 0.061 m | |
| 0.064 m | |
| 0.065 m | |
| 0.065 m | |
| 0.059 m | |
| 0.058 m | |
| no value | |
| no value |
Normal range and official levels
- Typical range, low: 0.06 m. The newest reading is 0.002 m below it.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
- Typical range, high: 0.449 m. The newest reading is 0.391 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: 0.102 m at 15:45 BST on 10 September 2026. Provisional data.
- Lowest reading in our series since 2 October 2025: 0.017 m at 17:15 BST on 22 September 2026. Provisional data.
- Highest daily average in our series since 2 October 2025: 0.088 m on 5 October 2025. Provisional data.
- Lowest daily average in our series since 2 October 2025: 0.056 m on 2 October 2025. Provisional data.
As the source publishes them
- Lowest on record: -0.022 m, on 29 September 2009.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
- Highest in recent years: 1.239 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: 1.239 m, on 10 February 2014.Set by This uses Environment Agency flood and river level data from the real-time data API (Beta).
About this gauge
Marlow Lock is a gauge on the River Thames in the United Kingdom.
It lies at 51.5674° N, 0.7692° 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.