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Teddington Lock water level

River gauge, River Thames, Greater London, United Kingdom

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Right now

Very low for mid-October

Water level

-0.03m Up 0.06 m over the last 24 hours

0.0 0.5 1.0 Highest onrecord 1.20 m Lowest on record -0.30 m

History

History
-0.00.2mOct 12Oct 13Oct 15Oct 17Oct 19Top of normal rangeBottom of normal range-0.00.2mOct 12Oct 15Oct 19Top of normal rangeBottom of normal range
-0.20.00.2mSep 19Sep 26Oct 4Oct 11Oct 19Top of normal rangeBottom of normal range-0.20.00.2mSep 19Oct 4Oct 19Top of normal rangeBottom of normal range
-0.20.00.20.4mOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Top of normal rangeBottom of normal range-0.20.00.20.4mOct 2025Apr 2026Oct 2026Top of normal rangeBottom of normal range
-0.20.00.20.4mJanMarMayJulSepNov2026-0.20.00.20.4mJanAprJulOct2026

20252026

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

What this means

At −0.03 m, the River Thames at Teddington Lock is far below normal for mid-October.

That puts it 0.15 m below the median of 0.12 m for mid-October, based on 21 years of readings. A year ago it stood at 0.08 m (−0.11 m). The lowest reading on record is −0.30 m (November 11, 2000).

The water is rising: up 0.06 m over the past 24 hours. Over the past 30 days it has moved between −0.18 m and 0.31 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
0.12 m0.15 m below the median for this date
Normal for this date
0.06 m – 0.22 m8 years in 10 fall in this range (21 years of records)
Normal range
0.01 m – 0.22 m
Same day last year
0.08 m−0.11 m
Lowest and highest in 30 days
−0.18 m – 0.31 m
Lowest and highest in 12 months
−0.18 m – 0.37 m
Highest on record
1.20 mOctober 31, 2000
Lowest on record
−0.30 mNovember 11, 2000

On the river at Teddington Lock

Low, clear water makes fish wary, and anglers often do better early and late in the day. For canoeists, shallow riffles mean scraped hulls and the odd portage.

Flood warnings for the area come from the Environment Agency.

About the River Thames

River Thames

The River Thames, or simply the Thames, known alternatively in parts as the River Isis, is a river that flows through southern England including London. At 215 miles (346 km), it is the longest river entirely in England and the second-longest in the United Kingdom, after the River Severn.

Read more on Wikipedia

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.

19 Mon 13° 10° 1.2 mm, 69% Wind 11 km/h
20 Tue 13° 10° 13 mm, 84% Wind 11 km/h
21 Wed 12° 8° 9.6 mm, 49% Wind 26 km/h
22 Thu 14° 7° 1.3 mm, 78% Wind 16 km/h
23 Fri 14° 8° 9.8 mm, 80% Wind 36 km/h
24 Sat 13° 8° 2.4 mm, 63% Wind 26 km/h
25 Sun 17° 12° 1.1 mm, 61% Wind 20 km/h

Forecast: Open-Meteo

Sunrise 07:32 AM Sunset 06:02 PM Daylight 10 hr, 30 min First quarter 56%

Map

Other gauges on the River Thames

Gauge Level Compared with normal 24 hours Distance
Trowlock IslandRiver gauge, River Thames 4.34 m Very low +0.04 m 0.9 km
KingstonRiver gauge, River Thames 4.35 m Normal +0.07 m 1.7 km
Molesey LockRiver gauge, River Thames 0.19 m High ±0 3.4 km
Thames Ditton IslandRiver gauge, River Thames 4.32 m Very low +0.06 m 4.1 km
Sunbury LockRiver gauge, River Thames 0.24 m High ±0 7.5 km
WaltonRiver gauge, River Thames 3.34 m Normal ±0 8.3 km
Shepperton LockRiver gauge, River Thames 0.14 m Normal ±0 11 km
Chertsey LockRiver gauge, River Thames 0.20 m Normal ±0 12 km
Penton HookRiver gauge, River Thames 0.17 m Normal +0.02 m 13 km
StainesRiver gauge, River Thames 2.68 m Low +0.02 m 13 km
Bell WeirRiver gauge, River Thames 0.27 m Very high +0.02 m 15 km
Old Windsor LockRiver gauge, River Thames 0.25 m Very high +0.01 m 18 km

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Marsh FarmRiver gauge, River Crane 0.03 m Normal ±0 2.6 km
Kingston HogsmillRiver gauge, Hogsmill River 0.08 m Very low ±0 2.9 km
Wimbledon CommonRiver gauge, Beverley Brook 0.22 m Normal +0.03 m 4.6 km
New MaldenRiver gauge, Beverley Brook 0.77 m Low +0.01 m 5.4 km
Motspur ParkRiver gauge, Beverley Brook 0.90 m Low +0.08 m 6.7 km
EsherRiver gauge, River Mole 1.44 m Normal ±0 6.7 km

Questions and answers

How does the River Thames at Teddington Lock compare with last year?

It is 0.11 m lower than on the same day last year, when the reading was 0.08 m.

What is a normal level for the River Thames at Teddington Lock in mid-October?

The median for mid-October is 0.12 m. In 8 years out of 10 the reading falls between 0.06 m and 0.22 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 −0.03 m on the gauge does not mean the water is that deep.

What is the water level of Teddington Lock today?

On 19 Oct 2026, 05:45 BST, the water level was −0.03 m. Up 0.06 m over the last 24 hours.

Is Teddington Lock rising or falling?

Up 0.06 m over the last 24 hours. Down 0.03 m over the last 7 days.

Is the level of Teddington Lock 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 Teddington Lock?

The highest level on record is 1.20 m on October 31, 2000. The lowest is −0.30 m on November 11, 2000.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Environment Agency
Station code
ea:3401TH (Agency page)
Coordinates
51.42957, -0.31842 (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

ParameterLast valueTime (UTC)Quality
Water level −0.03 m 2026-10-19 04:45 Provisional

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How to cite

Environment Agency: Teddington Lock (ea:3401TH). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/greater-london/teddington-lock

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.