Polson Bridge water level
River gauge, River Tamar, Cornwall, United Kingdom
Right now
Normal for mid-October
Water level
History
20252026
What this means
The River Tamar at Polson Bridge is at 0.41 m, in the normal range for mid-October.
That puts it 0.05 m below the median of 0.46 m for mid-October, based on 21 years of readings. A year ago it stood at 0.32 m (+0.09 m).
It has risen 0.12 m over the past 24 hours. In the last month it has stayed between 0.22 m and 0.43 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
- 0.46 m0.05 m below the median for this date
- Normal for this date
- 0.32 m – 1.11 m8 years in 10 fall in this range (21 years of records)
- Normal range
- 0.23 m – 3.00 m
- Same day last year
- 0.32 m+0.09 m
- Lowest and highest in 30 days
- 0.22 m – 0.43 m
- Lowest and highest in 12 months
- 0.17 m – 2.50 m
- Highest on record
- 5.35 mDecember 19, 1999
- Lowest on record
- 0.14 mAugust 8, 1989
Fishing and paddling
Paddlers and anglers can expect the river much as they know it, though a heavy shower upstream can change that within hours.
Flood alerts and warnings come from the Environment Agency, Natural Resources Wales or SEPA, depending on where you are.
Weather at the gauge
Rain in the last 3 days: 2.5 mm. Rain upstream usually reaches a river gauge after hours to days.
Forecast: Open-Meteo
Map
Other gauges on the River Tamar
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Greystone BridgeRiver gauge, River Tamar | 0.21 m | Normal | +0.07 m | 4.8 km |
| GunnislakeRiver gauge, River Tamar | 0.38 m | Very low | +0.01 m | 14 km |
| Crowford BridgeRiver gauge, River Tamar | 0.32 m | Normal | +0.13 m | 16 km |
| Bridge RuleRiver gauge, River Tamar | 0.48 m | Normal | +0.13 m | 20 km |
| Tamarstone BridgeRiver gauge, River Tamar | 0.41 m | Normal | −0.17 m | 22 km |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| LauncestonRiver gauge, River Kensey | 0.12 m | Normal | 0.00 m | 2.3 km |
| WerringtonRiver gauge, River Ottery | 0.13 m | Very low | +0.02 m | 2.3 km |
| Lifton ParkRiver gauge, River Lyd | 0.52 m | Normal | −0.01 m | 3.6 km |
| TinhayRiver gauge, River Thrushel | 0.32 m | Normal | +0.01 m | 4.5 km |
| TruscottRiver gauge, River Kensey | 0.43 m | Low | −0.01 m | 5.4 km |
| Hayne BridgeRiver gauge, River Thrushel | 0.16 m | Normal | −0.01 m | 6.6 km |
| BealsmillRiver gauge, River Inny | 0.40 m | Low | +0.02 m | 7.8 km |
| GermansweekRiver gauge, River Wolf | 0.09 m | Very low | −0.01 m | 13 km |
Questions and answers
How does the River Tamar at Polson Bridge compare with last year?
It is 0.09 m higher than on the same day last year, when the reading was 0.32 m.
What is the record level at Polson Bridge?
The highest reading on record is 5.35 m (December 19, 1999). The lowest is 0.14 m (August 8, 1989).
How often is Polson Bridge updated?
Several times an hour. New readings from Environment Agency appear here as they arrive. Latest: Oct 17, 2026, 03:45 AM GMT+1.
What is the water level of Polson Bridge today?
On Oct 17, 2026, 03:45 AM GMT+1, the water level was 0.41 m. Up 0.12 m over the last 24 hours.
Is Polson Bridge rising or falling?
Up 0.12 m over the last 24 hours. Up 0.13 m over the last 7 days.
Is the level of Polson Bridge normal?
Normal for mid-October. Compared with 21 years of daily readings for this time of year.
What is the highest water level ever recorded at Polson Bridge?
The highest level on record is 5.35 m on December 19, 1999. The lowest is 0.14 m on August 8, 1989.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- Environment Agency
- Station code
ea:47115(Agency page)- Coordinates
50.64027, -4.33076(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 stage | 0.41 m | 2026-10-17 02:45 | Provisional |
Download
Embed this gauge
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How to cite
Environment Agency: Polson Bridge (ea:47115). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/cornwall/polson-bridge
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