Grants Bridge water level

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

River gauge, Addlestone Bourne, Surrey, United Kingdom

Directions

Within the normal range

Water level

0.34m Steady over the last 24 hours

Measured 17 Oct 2026, 19:00 BST (3 hours ago)

History

7 days 30 days

Water level Top of normal rangeBottom of normal range

What this means

The Addlestone Bourne at Grants Bridge is at 0.34 m, within its typical range.

The usual range here runs from 0.33 m to 1.55 m.

The level has held steady over the past 24 hours. In the last month it has stayed between 0.32 m and 0.37 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: 0.33 m – 1.55 m
Lowest and highest in 30 days: 0.32 m – 0.37 m
Highest on record: 2.50 mAugust 16, 2006
Lowest on record: 0.24 mDecember 22, 2006

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.

Weather at the gauge

Rain in the last 3 days: 5.0 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 14° 5° 0.1 mm Wind 19 km/h

18 Sun 14° 6° 2.3 mm, 59% Wind 23 km/h

19 Mon 14° 7° 1.1 mm, 62% Wind 12 km/h

20 Tue 14° 11° 2.9 mm, 49% Wind 11 km/h

21 Wed 13° 9° 0.9 mm, 61% Wind 19 km/h

22 Thu 15° 6° 1.6 mm, 54% Wind 18 km/h

23 Fri 14° 8° 15 mm, 76% Wind 35 km/h

Forecast: Open-Meteo

Sunrise 07:30 AM Sunset 06:07 PM Daylight 10 hr, 38 min First quarter 43%

Map

Other gauges on the Addlestone Bourne

Gauge	Level	Compared with normal	24 hours	Distance
AddlestoneRiver gauge, Addlestone Bourne	0.31 m	Low	±0	9.3 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Millbourne BridgeRiver gauge, Mill Bourne	0.91 m	Very low	±0	0.5 km
Woking SouthRiver gauge, Hoe Stream	0.33 m	Normal	−0.01 m	6.0 km
BagshotRiver gauge, Windle Brook	0.65 m	High	±0	6.2 km
Old WokingRiver gauge, River Wey	2.10 m	Normal	−0.01 m	6.3 km
West Byfleet BridgeRiver gauge, Rive Ditch	1.50 m	Normal	+0.01 m	6.7 km
Trumps GreenRiver gauge, Chertsey Bourne	0.76 m	Normal	±0	6.8 km
Newark WeirRiver gauge, River Wey	20.43 m	Normal	±0	7.7 km
Guildford StreetRiver gauge, Chertsey Bourne	0.49 m	Normal	−0.01 m	8.4 km

Questions and answers

What is the typical range for the Addlestone Bourne at Grants Bridge?

The Environment Agency gives a typical range of 0.33 m to 1.55 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 0.34 m on the gauge does not mean the water is that deep.

What is the water level of Grants Bridge today?

On 17 Oct 2026, 19:00 BST, the water level was 0.34 m. Steady over the last 24 hours.

Is Grants Bridge rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of Grants 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 Grants Bridge?

The highest level on record is 2.50 m on August 16, 2006. The lowest is 0.24 m on December 22, 2006.

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:2976TH (Agency page)
Coordinates: 51.34453, -0.60409 (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	0.34 m	2026-10-17 18:00	Provisional

Download

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<iframe src="https://nivelmap.com/embed/1996?lang=en" width="360" height="230" style="border:0;max-width:100%" loading="lazy" title="Grants Bridge water level"></iframe>

How to cite

Environment Agency: Grants Bridge (ea:2976TH). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/surrey/grants-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