Greystone Bridge water level

Name: Greystone Bridge water level (Environment Agency)
Creator: Environment Agency
License: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/

River gauge, River Tamar, Cornwall, United Kingdom

Directions

Within the normal range

Water level

0.17m Up 0.02 m over the last 24 hours

Measured 17 Oct 2026, 17:45 BST (1 hour ago)

History

7 days 30 days

Water level Top of normal rangeBottom of normal range

What this means

The River Tamar at Greystone Bridge is at 0.17 m, within its typical range.

The usual range here runs from 0.03 m to 3.10 m.

It has risen 0.02 m over the past 24 hours. In the last month it has stayed between 0.14 m and 0.22 m.

Autumn rain usually starts to lift rivers again after the summer low.

Compared with the normal range the agency publishes for this gauge. How to read levels

Key numbers

Normal range: 0.03 m – 3.10 m
Lowest and highest in 30 days: 0.14 m – 0.22 m
Highest on record: 4.98 mOctober 30, 2000
Lowest on record: 0.01 mJuly 1, 2009

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.

About the River Tamar

The Tamar is a river in south-west England that forms most of the border between Devon and Cornwall. A large part of the valley of the Tamar is protected as the Tamar Valley National Landscape and some is included in the Cornwall and West Devon Mining Landscape due to its historic mining activities.

Weather at the gauge

Rain in the last 3 days: 4.0 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 13° 4° – Wind 15 km/h

18 Sun 13° 3° – Wind 13 km/h

19 Mon 13° 8° 2.1 mm, 47% Wind 19 km/h

20 Tue 13° 7° – Wind 8 km/h

21 Wed 10° 4° 3.0 mm, 51% Wind 37 km/h

22 Thu 13° 7° 4.4 mm, 88% Wind 18 km/h

23 Fri 13° 9° 38 mm, 92% Wind 39 km/h

Forecast: Open-Meteo

Sunrise 07:43 AM Sunset 06:23 PM Daylight 10 hr, 40 min First quarter 42%

Map

Other gauges on the River Tamar

Gauge	Level	Compared with normal	24 hours	Distance
Polson BridgeRiver gauge, River Tamar	0.34 m	Low	−0.02 m	4.8 km
GunnislakeRiver gauge, River Tamar	0.40 m	Low	+0.04 m	9.7 km
Crowford BridgeRiver gauge, River Tamar	0.27 m	Normal	−0.10 m	20 km
Bridge RuleRiver gauge, River Tamar	0.44 m	Normal	−0.26 m	24 km
Tamarstone BridgeRiver gauge, River Tamar	0.37 m	Normal	−0.12 m	27 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
BealsmillRiver gauge, River Inny	0.39 m	Low	−0.03 m	3.4 km
Lifton ParkRiver gauge, River Lyd	0.51 m	Normal	−0.03 m	4.4 km
TinhayRiver gauge, River Thrushel	0.31 m	Normal	±0	5.9 km
LauncestonRiver gauge, River Kensey	0.12 m	Very low	−0.01 m	6.1 km
WerringtonRiver gauge, River Ottery	0.12 m	Very low	±0	6.9 km
Hayne BridgeRiver gauge, River Thrushel	0.13 m	Normal	−0.03 m	7.9 km
TruscottRiver gauge, River Kensey	0.43 m	Low	−0.01 m	8.4 km
TavistockRiver gauge, River Tavy	0.80 m	Very low	−0.06 m	13 km

Questions and answers

What is the typical range for the River Tamar at Greystone Bridge?

The Environment Agency gives a typical range of 0.03 m to 3.10 m for this gauge.

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 0.17 m on the gauge does not mean the water is that deep.

What is the water level of Greystone Bridge today?

On 17 Oct 2026, 17:45 BST, the water level was 0.17 m. Up 0.02 m over the last 24 hours.

Is Greystone Bridge rising or falling?

Up 0.02 m over the last 24 hours. Steady over the last 7 days.

Is the level of Greystone Bridge normal?

Within the normal range. Compared with the normal range the agency publishes for this gauge.

What is the highest water level ever recorded at Greystone Bridge?

The highest level on record is 4.98 m on October 30, 2000. The lowest is 0.01 m on July 1, 2009.

How often is this data updated?

The Environment Agency publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: Environment Agency
Station code: ea:47123 (Agency page)
Coordinates: 50.60014, -4.30680 (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	0.17 m	2026-10-17 16:45	Provisional

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How to cite

Environment Agency: Greystone Bridge (ea:47123). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/cornwall/greystone-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