Summerstown water level

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

River gauge, River Wandle, Greater London, United Kingdom

Directions

Normal for mid-October

Water level

1.03m Up 0.04 m over the last 24 hours

Measured 18 Oct 2026, 22:30 BST (44 min ago)

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %) Top of normal rangeBottom of normal range

What this means

Water levels are unremarkable at Summerstown, where the gauge shows 1.03 m.

That puts it 0.02 m above the median of 1.01 m for mid-October, based on 21 years of readings. A year ago it stood at 0.98 m (+0.05 m).

It is on the way up, by 0.04 m over the past 24 hours. The 30-day range is 0.87 m – 1.26 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: 1.01 m0.02 m above the median for this date
Normal for this date: 0.93 m – 1.18 m8 years in 10 fall in this range (21 years of records)
Normal range: 0.85 m – 2.80 m
Same day last year: 0.98 m+0.05 m
Lowest and highest in 30 days: 0.87 m – 1.26 m
Lowest and highest in 12 months: 0.95 m – 1.54 m
Highest on record: 3.23 mSeptember 23, 2024
Lowest on record: 0.49 mFebruary 25, 2002

For anglers and canoeists

This is an ordinary level for the river: most put-ins, beats and weirs behave as they usually do.

Many angling and canoe clubs check gauges like this one before heading out.

About the River Wandle

The River Wandle is a right-bank tributary of the River Thames in south London, England. With a total length of about 9 miles (14 km), the river passes through the London boroughs of Croydon, Sutton, Merton and Wandsworth, where it reaches the Thames. A short headwater – the Caterham Bourne – is partially in Surrey, the historic county of the river's catchment. Tributaries of the Wandle include Carshalton Ponds and Norbury Brook.

Weather at the gauge

Rain in the last 3 days: 2.8 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

18 Sun 14° 8° 4.3 mm, 87% Wind 18 km/h

19 Mon 15° 10° 0.6 mm, 85% Wind 12 km/h

20 Tue 13° 12° 9.0 mm, 57% Wind 8 km/h

21 Wed 15° 8° 3.0 mm, 47% Wind 18 km/h

22 Thu 15° 7° 1.9 mm, 50% Wind 14 km/h

23 Fri 12° 8° 53 mm, 80% Wind 30 km/h

24 Sat 10° 5° – Wind 18 km/h

Forecast: Open-Meteo

Sunrise 07:30 AM Sunset 06:03 PM Daylight 10 hr, 34 min First quarter 53%

Map

Other gauges on the River Wandle

Gauge	Level	Compared with normal	24 hours	Distance
Wandle Park Side ChannelRiver gauge, River Wandle	0.26 m	Very high	+0.03 m	1.1 km
Wandle Park Main ChannelRiver gauge, River Wandle	0.31 m	Normal	+0.03 m	1.1 km
HackbridgeRiver gauge, River Wandle	1.14 m	Lowest on record	+0.02 m	6.0 km
Beddington ParkRiver gauge, River Wandle	0.28 m	Normal	+0.04 m	7.0 km
Carshalton PondsRiver gauge, River Wandle	0.07 m	Low	±0	7.1 km
Waddon PondsRiver gauge, River Wandle	−0.11 m	Very low	−0.01 m	7.9 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Longley RoadRiver gauge, River Graveney	0.18 m	Normal	+0.11 m	1.2 km
Abercairn RoadRiver gauge, River Graveney	0.99 m	High	+0.13 m	3.4 km
Wimbledon CommonRiver gauge, Beverley Brook	0.19 m	Normal	±0	4.5 km
Kings CollegeRiver gauge, Pyl Brook	0.40 m	Normal	−0.14 m	4.6 km
New MaldenRiver gauge, Beverley Brook	0.79 m	Low	+0.02 m	4.6 km
Morden ParkRiver gauge, Pyl Brook	0.53 m	Normal	+0.05 m	4.6 km
Motspur ParkRiver gauge, Beverley Brook	0.91 m	Normal	+0.01 m	5.4 km

Questions and answers

How does the River Wandle at Summerstown compare with last year?

It is 0.05 m higher than on the same day last year, when the reading was 0.98 m.

What is a normal level for the River Wandle at Summerstown in mid-October?

The median for mid-October is 1.01 m. In 8 years out of 10 the reading falls between 0.93 m and 1.18 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 1.03 m on the gauge does not mean the water is that deep.

What is the water level of Summerstown today?

On 18 Oct 2026, 22:30 BST, the water level was 1.03 m. Up 0.04 m over the last 24 hours.

Is Summerstown rising or falling?

Up 0.04 m over the last 24 hours. Up 0.03 m over the last 7 days.

Is the level of Summerstown 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 Summerstown?

The highest level on record is 3.23 m on September 23, 2024. The lowest is 0.49 m on February 25, 2002.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: Environment Agency
Station code: ea:4192TH (Agency page)
Coordinates: 51.42857, -0.18768 (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	1.03 m	2026-10-18 21:30	Provisional

Download

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<iframe src="https://nivelmap.com/embed/996?lang=en" width="360" height="230" style="border:0;max-width:100%" loading="lazy" title="Summerstown water level"></iframe>

How to cite

Environment Agency: Summerstown (ea:4192TH). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/greater-london/summerstown

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