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Pinner, Avenue Road water level

River gauge, River Pinn, Greater London, United Kingdom

Directions

Normal for mid-October

Water level

0.17m Down 0.01 m over the last 24 hours

0.0 0.5 1.0 1.5 Highest onrecord 1.55 m Lowest on record -0.03 m

History

0.10.20.3mOct 16Oct 17Oct 18Oct 19Oct 20Bottom of normal range0.10.20.3mOct 16Oct 18Oct 20Bottom of normal range
-0.00.20.4mOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Bottom of normal range-0.00.20.4mOct 2025Apr 2026Oct 2026Bottom of normal range
-0.00.20.4mJanMarMayJulSepNov2026-0.00.20.4mJanAprJulOct2026

20252026

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

What this means

Water levels are unremarkable at Pinner, Avenue Road, where the gauge shows 0.17 m.

That puts it 0.02 m above the median of 0.15 m for mid-October, based on 21 years of readings. A year ago it stood at 0.27 m (−0.11 m).

It is still going down, by 0.01 m over the past 24 hours. The 30-day range is 0.14 m – 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
0.15 m0.02 m above the median for this date
Normal for this date
0.05 m – 0.24 m8 years in 10 fall in this range (21 years of records)
Normal range
0.03 m – 1.20 m
Same day last year
0.27 m−0.11 m
Lowest and highest in 30 days
0.14 m – 0.31 m
Lowest and highest in 12 months
0.15 m – 0.46 m
Highest on record
1.55 mJune 23, 2016
Lowest on record
−0.03 mApril 11, 2008

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 Pinn

River Pinn

The Pinn is a suburban, outer west London river. It has dendritic headwaters, the furthest is considered its source – in Harrow Weald. Its confluence with Frays River makes it a tributary of the Colne. It is one of three principal rivers wholly in the historic county of Middlesex.

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: 1.6 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 12° 10° 10 mm, 100% Wind 15 km/h
21 Wed 11° 7° 4.3 mm, 92% Wind 36 km/h
22 Thu 14° 6° 3.4 mm, 87% Wind 16 km/h
23 Fri 12° 9° 21 mm, 100% Wind 35 km/h
24 Sat 13° 8° 6.3 mm, 86% Wind 32 km/h
25 Sun 15° 9° 4.3 mm, 67% Wind 26 km/h
26 Mon 17° 11° 0.6 mm, 41% Wind 18 km/h

Forecast: Open-Meteo

Sunrise 07:34 AM Sunset 06:00 PM Daylight 10 hr, 25 min First quarter 68%

Map

Other gauges on the River Pinn

Gauge Level Compared with normal 24 hours Distance
Pinner, Moss CloseRiver gauge, River Pinn 0.14 m Very low ±0 0.4 km
Waxwell LaneRiver gauge, River Pinn 0.16 m Very low −0.01 m 0.7 km
Woodhall AvenueRiver gauge, River Pinn 0.20 m Low ±0 0.7 km
Pinner, Eastcote RoadRiver gauge, River Pinn 0.36 m Normal −0.01 m 0.9 km
RuislipRiver gauge, River Pinn 0.16 m Low −0.03 m 3.6 km
Ickenham, Swakeleys RoadRiver gauge, River Pinn 0.57 m Very low −0.01 m 6.1 km
Uxbridge, Hercies RoadRiver gauge, River Pinn 0.74 m Normal −0.03 m 7.9 km
UxbridgeRiver gauge, River Pinn 0.04 m Low −0.05 m 9.4 km
Uxbridge, Philpots BridgeRiver gauge, River Pinn 0.79 m Normal −0.04 m 11 km

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Harrow, Village WayRiver gauge, Yeading Brook 0.07 m Very low −0.01 m 2.2 km
Harrow, Thistledene AvenueRiver gauge, The Roxbourne 0.04 m Normal ±0 3.9 km
Howletts Lane, RuislipRiver gauge, Cannon Brook 0.07 m Normal −0.03 m 4.2 km
Stanmore, Wolverton RoadRiver gauge, Edgware Brook −0.02 m Lowest on record ±0 5.0 km
Kenton LaneRiver gauge, Wealdstone Brook 0.12 m Very low −0.01 m 5.3 km

Questions and answers

How does the River Pinn at Pinner, Avenue Road compare with last year?

It is 0.11 m lower than on the same day last year, when the reading was 0.27 m.

What is a normal level for the River Pinn at Pinner, Avenue Road in mid-October?

The median for mid-October is 0.15 m. In 8 years out of 10 the reading falls between 0.05 m and 0.24 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 0.17 m on the gauge does not mean the water is that deep.

What is the water level of Pinner, Avenue Road today?

On 20 Oct 2026, 12:45 BST, the water level was 0.17 m. Down 0.01 m over the last 24 hours.

Is Pinner, Avenue Road rising or falling?

Down 0.01 m over the last 24 hours.

Is the level of Pinner, Avenue Road 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 Pinner, Avenue Road?

The highest level on record is 1.55 m on June 23, 2016. The lowest is −0.03 m on April 11, 2008.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Environment Agency
Station code
ea:2803TH (Agency page)
Coordinates
51.59713, -0.38177 (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
Surface elevation – – –
Water level 0.17 m 2026-10-20 11:45 Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

How to cite

Environment Agency: Pinner, Avenue Road (ea:2803TH). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/greater-london/pinner-avenue-road

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