Great Somerford water level
River gauge, River Avon, Wiltshire, United Kingdom
Right now
Very low for mid-October
Water level
History
20252026
What this means
The River Avon at Great Somerford is running far below normal at 0.14 m.
The median for mid-October is 0.27 m, based on 21 years of readings, so the river level is 0.13 m below typical. On the same day last year the reading was 0.13 m, a difference of +0.01 m. The lowest reading on record is 0.00 m (September 2, 1967).
It has barely moved over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. In the last month it has stayed between 0.13 m and 0.17 m.
Autumn rain usually starts to lift rivers again after the summer low.
Compared with 21 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 0.27 m0.13 m below the median for this date
- Normal for this date
- 0.14 m – 0.59 m8 years in 10 fall in this range (21 years of records)
- Normal range
- 0.15 m – 0.70 m
- Same day last year
- 0.13 m+0.01 m
- Lowest and highest in 30 days
- 0.13 m – 0.17 m
- Lowest and highest in 12 months
- 0.13 m – 0.98 m
- Highest on record
- 2.43 mJuly 11, 1968
- Lowest on record
- 0.00 mSeptember 2, 1967
Fishing and paddling
At low levels, many rivers become a walk-and-paddle trip. Fish hold in deeper pools and spook easily.
Flood alerts and warnings come from the Environment Agency.
About the River Avon
The River Avon is a river in the southwest of England. To distinguish it from a number of other rivers of the same name, it is often called the Bristol Avon. The name 'Avon' is from an ancestor of the Welsh word afon, meaning 'river'.
Text and image from Wikipedia and Wikimedia Commons, licensed under CC BY-SA.
Weather at the gauge
Rain in the last 3 days: 4.1 mm. Rain that falls upstream can take hours or days to show up at a river gauge.
Forecast: Open-Meteo
Map
Other gauges on the River Avon
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| CorshamRiver gauge, River Avon | 0.06 m | Normal | +0.03 m | 17 km |
| BathfordRiver gauge, River Avon | 0.74 m | Normal | ±0 | 24 km |
| Bradford on AvonRiver gauge, River Avon | 1.04 m | Normal | ±0 | 27 km |
| Bath Destructor BridgeRiver gauge, River Avon | 3.41 m | Normal | ±0 | 29 km |
| PewseyRiver gauge, River Avon | 0.06 m | Normal | ±0 | 30 km |
| Upavon EastRiver gauge, River Avon | 0.19 m | Low | ±0 | 32 km |
| Upavon WestRiver gauge, River Avon | 0.05 m | Very low | ±0 | 32 km |
| SaltfordRiver gauge, River Avon | 0.51 m | Normal | −0.01 m | 32 km |
| Keynsham, RivermeadRiver gauge, River Avon | 4.69 m | Low | ±0 | 34 km |
| Bristol Netham LockRiver gauge, River Avon | 6.10 m | Normal | +0.01 m | 37 km |
| Netham WeirRiver gauge, River Avon | 0.27 m | Normal | +0.01 m | 37 km |
| Bristol Bedminster St Johns Lane UpstreamRiver gauge, River Avon | 0.37 m | Normal | +0.03 m | 40 km |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| SeagryRiver gauge | 53.42 m | Normal | −0.01 m | 3.0 km |
| RodbourneRiver gauge, Gauze Brook | 0.05 m | Low | ±0 | 3.0 km |
| DauntseyRiver gauge, Dauntsey Brook | 0.03 m | Very low | ±0 | 3.4 km |
| Crabb MillRiver gauge, Woodbridge Brook | 0.05 m | Very low | ±0 | 3.8 km |
| Avon WeirRiver gauge | 50.48 m | Very low | +0.01 m | 4.2 km |
| St Johns WeirRiver gauge, Sherston Avon | 0.10 m | Normal | ±0 | 4.8 km |
| Avon MillRiver gauge | 47.71 m | Very low | +0.03 m | 5.8 km |
| Brinkworth BrookRiver gauge | 0.28 m | Normal | ±0 | 7.3 km |
Questions and answers
Is the River Avon at Great Somerford higher than last year?
Yes, it is 0.01 m higher than on the same day last year, when the reading was 0.13 m.
What is a normal level for the River Avon at Great Somerford in mid-October?
The median for mid-October is 0.27 m. In 8 years out of 10 the reading falls between 0.14 m and 0.59 m, based on 21 years of records.
Is the river level the same as the depth of the water?
No. The reading is measured from a fixed zero mark at the gauge, so 0.14 m on the gauge does not mean the water is that deep.
What is the water level of Great Somerford today?
On 19 Oct 2026, 06:00 BST, the water level was 0.14 m. Steady over the last 24 hours.
Is Great Somerford rising or falling?
Steady over the last 24 hours. Steady over the last 7 days.
Is the level of Great Somerford normal?
Very low for mid-October. Compared with 21 years of daily readings for this time of year.
What is the highest water level ever recorded at Great Somerford?
The highest level on record is 2.43 m on July 11, 1968. The lowest is 0.00 m on September 2, 1967.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- Environment Agency
- Station code
ea:53143(Agency page)- Coordinates
51.54756, -2.04987(WGS84)- Vertical datum
- station datum
- Update interval
- every 15 minutes
- Licence
- Open Government Licence v3.0. Contains Environment Agency data licensed under the Open Government Licence v3.0
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 0.14 m | 2026-10-19 05:00 | Provisional |
Download
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How to cite
Environment Agency: Great Somerford (ea:53143). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/wiltshire/great-somerford
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer