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Pinner, Moss Close water level

River gauge, River Pinn, Greater London, United Kingdom

Directions

Right now

Very low for mid-October

Water level

0.14m Steady over the last 24 hours

0.0 0.5 1.0 Highest onrecord 1.16 m Lowest on record 0.06 m

History

History
0.150.200.25mOct 12Oct 13Oct 15Oct 17Oct 19Bottom of normal range0.150.200.25mOct 12Oct 15Oct 19Bottom of normal range
0.20.3mSep 19Sep 26Oct 4Oct 11Oct 19Bottom of normal range0.20.3mSep 19Oct 4Oct 19Bottom of normal range
0.10.20.30.4mOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Bottom of normal range0.10.20.30.4mOct 2025Apr 2026Oct 2026Bottom of normal range
0.10.20.30.4mJanMarMayJulSepNov20260.10.20.30.4mJanAprJulOct2026

20252026

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

What this means

Low water at Pinner, Moss Close: the gauge reads 0.14 m, far below normal for mid-October.

That puts it 0.06 m below the median of 0.19 m for mid-October, based on 21 years of readings. A year ago it stood at 0.21 m (−0.08 m). The lowest reading on record is 0.06 m (March 5, 2006).

The level has held steady over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. The 30-day range is 0.13 m – 0.21 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
0.19 m0.06 m below the median for this date
Normal for this date
0.15 m – 0.27 m8 years in 10 fall in this range (21 years of records)
Normal range
0.18 m – 0.94 m
Same day last year
0.21 m−0.08 m
Lowest and highest in 30 days
0.13 m – 0.21 m
Lowest and highest in 12 months
0.10 m – 0.40 m
Highest on record
1.16 mJune 18, 2016
Lowest on record
0.06 mMarch 5, 2006

For anglers and canoeists

Low rivers are hard going for paddlers, with exposed gravel and weirs that are awkward to shoot. Salmon and sea trout usually wait for the next spate to run.

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

18 Sun 14° 7° 4.7 mm, 83% Wind 21 km/h
19 Mon 14° 9° 1.2 mm, 81% Wind 12 km/h
20 Tue 12° 11° 12 mm, 63% Wind 9 km/h
21 Wed 14° 7° 3.6 mm, 44% Wind 25 km/h
22 Thu 14° 6° 2.4 mm, 53% Wind 14 km/h
23 Fri 11° 7° 37 mm, 78% Wind 34 km/h
24 Sat 10° 4° – Wind 20 km/h

Forecast: Open-Meteo

Sunrise 07:33 AM Sunset 06:02 PM Daylight 10 hr, 29 min First quarter 56%

Map

Other gauges on the River Pinn

Gauge Level Compared with normal 24 hours Distance
Pinner, Avenue RoadRiver gauge, River Pinn 0.20 m High +0.06 m 0.4 km
Waxwell LaneRiver gauge, River Pinn 0.15 m Very low ±0 0.7 km
Woodhall AvenueRiver gauge, River Pinn 0.19 m Very low +0.01 m 0.8 km
Pinner, Eastcote RoadRiver gauge, River Pinn 0.41 m Normal +0.06 m 1.1 km
RuislipRiver gauge, River Pinn 0.20 m Normal +0.05 m 4.0 km
Ickenham, Swakeleys RoadRiver gauge, River Pinn 0.59 m Normal +0.03 m 6.4 km
Uxbridge, Hercies RoadRiver gauge, River Pinn 0.75 m Normal +0.02 m 8.3 km
UxbridgeRiver gauge, River Pinn 0.05 m Low +0.02 m 9.7 km
Uxbridge, Philpots BridgeRiver gauge, River Pinn 0.76 m Normal +0.01 m 11 km

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Harrow, Village WayRiver gauge, Yeading Brook 0.11 m Normal +0.05 m 2.4 km
Harrow, Thistledene AvenueRiver gauge, The Roxbourne 0.05 m Normal +0.01 m 4.1 km
Stanmore, Wolverton RoadRiver gauge, Edgware Brook −0.01 m Lowest on record −0.02 m 4.6 km
Howletts Lane, RuislipRiver gauge, Cannon Brook 0.07 m Normal +0.01 m 4.6 km
Kenton LaneRiver gauge, Wealdstone Brook 0.21 m Normal +0.10 m 5.0 km

Questions and answers

How does the River Pinn at Pinner, Moss Close compare with last year?

It is 0.08 m lower than on the same day last year, when the reading was 0.21 m.

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

The median for mid-October is 0.19 m. In 8 years out of 10 the reading falls between 0.15 m and 0.27 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 0.14 m on the gauge does not mean the water is that deep.

What is the water level of Pinner, Moss Close today?

On 19 Oct 2026, 05:30 BST, the water level was 0.14 m. Steady over the last 24 hours.

Is Pinner, Moss Close rising or falling?

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

Is the level of Pinner, Moss Close 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 Pinner, Moss Close?

The highest level on record is 1.16 m on June 18, 2016. The lowest is 0.06 m on March 5, 2006.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Environment Agency
Station code
ea:2886TH (Agency page)
Coordinates
51.59880, -0.37683 (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 0.14 m 2026-10-19 04:30 Provisional

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Embed this gauge

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How to cite

Environment Agency: Pinner, Moss Close (ea:2886TH). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/greater-london/pinner-moss-close

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.