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Flash Bridge water level

River gauge, Cranleigh Waters, Surrey, United Kingdom

Directions

Right now

Normal for mid-October

Water level

1.02m Steady over the last 24 hours

1 2 3 4 Highest onrecord 3.95 m Lowest on record 0.88 m

History

History
1.01.2mOct 10Oct 12Oct 13Oct 15Oct 17Bottom of normal range1.01.2mOct 10Oct 13Oct 17Bottom of normal range
1.01.2mSep 17Sep 24Oct 2Oct 9Oct 17Bottom of normal range1.01.2mSep 17Oct 2Oct 17Bottom of normal range
123mOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Top of normal rangeBottom of normal range123mOct 2025Apr 2026Oct 2026Top of normal rangeBottom of normal range
123mJanMarMayJulSepNov2026123mJanAprJulOct2026

20252026

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

What this means

Water levels are unremarkable at Flash Bridge, where the gauge shows 1.02 m.

The median for mid-October is 1.02 m, based on 21 years of readings, and the gauge is right on it. On the same day last year the reading was 1.06 m, a difference of −0.04 m.

It has barely moved over the past 24 hours. The 30-day range is 1.00 m – 1.03 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
1.02 m0.00 m below the median for this date
Normal for this date
0.98 m – 1.32 m8 years in 10 fall in this range (21 years of records)
Normal range
0.96 m – 3.00 m
Same day last year
1.06 m−0.04 m
Lowest and highest in 30 days
1.00 m – 1.03 m
Lowest and highest in 12 months
0.88 m – 2.92 m
Highest on record
3.95 mNovember 5, 2000
Lowest on record
0.88 mJuly 23, 2005

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 Cranleigh Waters

Cranleigh Waters

The Cranleigh Waters or Bramley Wey is a tributary of the River Wey in Surrey.

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

17 Sat 13° 6° 0.3 mm Wind 21 km/h
18 Sun 13° 6° 1.0 mm, 24% Wind 21 km/h
19 Mon 13° 7° 5.0 mm, 24% Wind 21 km/h
20 Tue 14° 9° 6.6 mm, 45% Wind 11 km/h
21 Wed 12° 8° 2.1 mm, 51% Wind 39 km/h
22 Thu 14° 7° 0.6 mm, 35% Wind 28 km/h
23 Fri 13° 8° 6.6 mm, 60% Wind 26 km/h

Forecast: Open-Meteo

Sunrise 07:29 AM Sunset 06:07 PM Daylight 10 hr, 38 min First quarter 39%

Map

Other gauges on the Cranleigh Waters

Gauge Level Compared with normal 24 hours Distance
BramleyRiver gauge, Cranleigh Waters 2.20 m Normal +0.02 m 10 km

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
CranleighRiver gauge, Littlemead Brook 1.28 m Low −0.07 m 3.1 km
DrungewickRiver gauge, River Lox 0.04 m Very low ±0 6.2 km
AlfoldeanRiver gauge, River Arun 0.09 m Low +0.02 m 8.3 km
AlburyRiver gauge, Law Brook 0.09 m High ±0 9.9 km
GodalmingRiver gauge, River Wey 0.55 m Normal +0.01 m 9.9 km
Borough RoadRiver gauge, River Wey 1.20 m Normal ±0 10 km
New BridgeRiver gauge, River Arun 6.63 m Normal +0.07 m 11 km
ShalfordRiver gauge, River Tillingbourne 0.11 m Normal −0.01 m 12 km

Questions and answers

Is the Cranleigh Waters at Flash Bridge higher than last year?

No, it is 0.04 m lower than on the same day last year, when the reading was 1.06 m.

What is a normal level for the Cranleigh Waters at Flash Bridge in mid-October?

The median for mid-October is 1.02 m. In 8 years out of 10 the reading falls between 0.98 m and 1.32 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 1.02 m on the gauge does not mean the water is that deep.

What is the water level of Flash Bridge today?

On 17 Oct 2026, 09:30 BST, the water level was 1.02 m. Steady over the last 24 hours.

Is Flash Bridge rising or falling?

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

Is the level of Flash Bridge 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 Flash Bridge?

The highest level on record is 3.95 m on November 5, 2000. The lowest is 0.88 m on July 23, 2005.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Environment Agency
Station code
ea:3061TH (Agency page)
Coordinates
51.12198, -0.51036 (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 1.02 m 2026-10-17 08:30 Provisional

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How to cite

Environment Agency: Flash Bridge (ea:3061TH). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/surrey/flash-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.