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Warnham Mill Gate Rl water level

River gauge, West Sussex, United Kingdom

Directions

Right now

Latest reading

Surface elevation

39.97m Up 0.02 m over the last 24 hours

35 40 45

History

History
39.9439.9639.98mOct 12Oct 14Oct 15Oct 17Oct 1939.9439.9639.98mOct 12Oct 15Oct 19
39.9039.9540.00mSep 19Sep 26Oct 4Oct 11Oct 1939.9039.9540.00mSep 19Oct 4Oct 19
Surface elevation

What this means

Warnham Mill Gate Rl reads 39.97 m as of 19 Oct 2026, 08:30 BST. The agency publishes no normal range or warning level for this river yet, so there is nothing to judge the number against.

It has risen 0.02 m over the past 24 hours. In the last month it has stayed between 39.90 m and 40.00 m.

Over the past seven days the change adds up to +0.01 m.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

Key numbers

Lowest and highest in 30 days
39.90 m – 40.00 m
Lowest and highest in 12 months
39.94 m – 39.97 m

Fishing and paddling

Watch the direction of travel. A rising river after rain behaves very differently from one that is dropping and clearing.

Flood alerts and warnings come from the Environment Agency.

Weather at the gauge

Rain in the last 3 days: 6.0 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

18 Sun 13° 7° 8.4 mm, 71% Wind 19 km/h
19 Mon 14° 9° 0.6 mm, 55% Wind 12 km/h
20 Tue 12° 10° 10 mm, 61% Wind 9 km/h
21 Wed 14° 7° 2.7 mm, 48% Wind 24 km/h
22 Thu 14° 5° 4.8 mm, 84% Wind 14 km/h
23 Fri 13° 7° 56 mm, 85% Wind 37 km/h
24 Sat 10° 3° – Wind 22 km/h

Forecast: Open-Meteo

Sunrise 07:32 AM Sunset 06:02 PM Daylight 10 hr, 31 min First quarter 57%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
TanbridgeRiver gauge, River Arun 32.30 m Normal −0.02 m 1.9 km
Provender MillRiver gauge, River Arun 35.13 m Low +0.03 m 2.0 km
AlfoldeanRiver gauge, River Arun 0.10 m Normal +0.03 m 5.2 km
IfieldRiver gauge, Ifield Brook 0.81 m Normal +0.10 m 8.8 km
Stafford BridgeRiver gauge, River Mole 0.66 m Normal +0.04 m 10 km
DrungewickRiver gauge, River Lox 0.04 m Very low ±0 11 km
New BridgeRiver gauge, River Arun 6.63 m Normal −0.10 m 12 km
Gatwick AirportRiver gauge, River Mole 0.28 m Normal +0.10 m 12 km

Questions and answers

Is Warnham Mill Gate Rl really 39.97 m deep?

No. 39.97 m is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Warnham Mill Gate Rl today?

On 19 Oct 2026, 08:30 BST, the surface elevation was 39.97 m. Up 0.02 m over the last 24 hours.

Is Warnham Mill Gate Rl rising or falling?

Up 0.02 m over the last 24 hours. Up 0.01 m over the last 7 days.

Is the level of Warnham Mill Gate Rl normal?

The agency publishes no normal range for this gauge yet, so we show the trend only.

How often is this data updated?

The Environment Agency publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the Environment Agency, the official operator of this gauge, and are published under the Open Government Licence v3.0. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Environment Agency
Station code
ea:E9970
Coordinates
51.07831, -0.33361 (WGS84)
Vertical datum
ODN
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 39.97 m 2026-10-19 07:30 Provisional

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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: Warnham Mill Gate Rl (ea:E9970). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/west-sussex/warnham-mill-gate-rl

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.