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Farnham water level

River gauge, River Wey, Surrey, United Kingdom

Directions

Right now

Normal for mid-October

Water level

0.10m Steady over the last 24 hours

0.0 0.5 1.0 Highest onrecord 1.27 m Lowest on record 0.02 m

History

History
0.050.100.15mOct 10Oct 11Oct 13Oct 15Oct 17Bottom of normal range0.050.100.15mOct 10Oct 13Oct 17Bottom of normal range
0.050.100.15mSep 17Sep 24Oct 2Oct 9Oct 17Bottom of normal range0.050.100.15mSep 17Oct 2Oct 17Bottom of normal range
-0.00.51.0mOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Top of normal rangeBottom of normal range-0.00.51.0mOct 2025Apr 2026Oct 2026Top of normal rangeBottom of normal range
0.20.40.6mJanMarMayJulSepNov20260.20.40.6mJanAprJulOct2026

20252026

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

What this means

The River Wey at Farnham is at 0.10 m, in the normal range for mid-October.

The median for mid-October is 0.09 m, based on 21 years of readings, and the gauge is right on it. A year ago it stood at 0.09 m (+0.01 m).

The level has held steady over the past 24 hours. In the last month it has stayed between 0.09 m and 0.12 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
0.09 m0.00 m above the median for this date
Normal for this date
0.05 m – 0.18 m8 years in 10 fall in this range (21 years of records)
Normal range
0.05 m – 0.97 m
Same day last year
0.09 m+0.01 m
Lowest and highest in 30 days
0.09 m – 0.12 m
Lowest and highest in 12 months
0.09 m – 0.58 m
Highest on record
1.27 mOctober 30, 2000
Lowest on record
0.02 mOctober 2, 1998

Fishing and paddling

Paddlers and anglers can expect the river much as they know it, though a heavy shower upstream can change that within hours.

Flood alerts and warnings come from the Environment Agency.

Weather at the gauge

Rain in the last 3 days: 5.2 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 13° 6° – Wind 20 km/h
18 Sun 13° 6° 1.6 mm, 35% Wind 23 km/h
19 Mon 12° 8° 7.2 mm, 31% Wind 19 km/h
20 Tue 14° 9° 6.9 mm, 43% Wind 10 km/h
21 Wed 12° 8° 2.7 mm, 45% Wind 37 km/h
22 Thu 14° 7° 0.6 mm, 37% Wind 28 km/h
23 Fri 13° 8° 5.7 mm, 58% Wind 27 km/h

Forecast: Open-Meteo

Sunrise 07:30 AM Sunset 06:08 PM Daylight 10 hr, 38 min First quarter 37%

Map

Other gauges on the River Wey

Gauge Level Compared with normal 24 hours Distance
TilfordRiver gauge, River Wey 0.17 m Low ±0 4.8 km
Passfield MillRiver gauge, River Wey 1.06 m High ±0 12 km
Kings PondRiver gauge, River Wey 0.04 m Normal ±0 13 km
Westbrook MillRiver gauge, River Wey 37.86 m No reference yet +0.01 m 13 km
Borough RoadRiver gauge, River Wey 1.19 m Normal +0.01 m 13 km
Alton High StreetRiver gauge, River Wey 0.00 m Low ±0 14 km
GodalmingRiver gauge, River Wey 0.55 m Normal ±0 14 km
GuildfordRiver gauge, River Wey 1.23 m Very low ±0 16 km
Old WokingRiver gauge, River Wey 2.10 m Normal ±0 21 km
Newark WeirRiver gauge, River Wey 20.42 m Normal −0.01 m 23 km
BrooklandsRiver gauge, River Wey 0.39 m Normal −0.01 m 28 km
WeybridgeRiver gauge, River Wey 1.02 m Normal +0.01 m 30 km

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Crondall BridgeRiver gauge, River Hart 0.10 m Normal ±0 5.0 km
Crondall PondRiver gauge, River Hart 0.40 m Normal +0.01 m 5.0 km
TonghamRiver gauge, River Blackwater 0.67 m Normal −0.01 m 5.6 km
Crookham VillageRiver gauge, River Hart 0.43 m Normal ±0 7.4 km
Cove Hazel AvenueRiver gauge, Cove Brook 0.77 m Normal −0.04 m 9.3 km
FarnboroughRiver gauge, River Blackwater 0.63 m Normal ±0 11 km
Mayfield RoadRiver gauge, Cove Brook 0.91 m Normal +0.04 m 11 km
Lodge FarmRiver gauge, River Whitewater 0.13 m Low −0.02 m 12 km

Questions and answers

How does the River Wey at Farnham compare with last year?

It is 0.01 m higher than on the same day last year, when the reading was 0.09 m.

What is a normal level for the River Wey at Farnham in mid-October?

The median for mid-October is 0.09 m. In 8 years out of 10 the reading falls between 0.05 m and 0.18 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 0.10 m on the gauge does not mean the water is that deep.

What is the water level of Farnham today?

On 17 Oct 2026, 05:30 BST, the water level was 0.10 m. Steady over the last 24 hours.

Is Farnham rising or falling?

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

Is the level of Farnham 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 Farnham?

The highest level on record is 1.27 m on October 30, 2000. The lowest is 0.02 m on October 2, 1998.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Environment Agency
Station code
ea:3020TH (Agency page)
Coordinates
51.20942, -0.80359 (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 0.10 m 2026-10-17 04:30 Provisional

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How to cite

Environment Agency: Farnham (ea:3020TH). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/surrey/farnham

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.