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Syleham Mill Sluice water level

River gauge, Suffolk, United Kingdom

Directions

Right now

Latest reading

Surface elevation

18.72m Steady over the last 24 hours

18 20

History

History
18.7218.7318.74mOct 11Oct 13Oct 15Oct 16Oct 1818.7218.7318.74mOct 11Oct 15Oct 18
18.7218.74mSep 18Sep 26Oct 3Oct 10Oct 1818.7218.74mSep 18Oct 3Oct 18
Surface elevation

What this means

The latest river level reported for Syleham Mill Sluice is 18.72 m. There is no published reference for this river yet, so we can't say whether that is high or low for the season.

It has barely moved over the past 24 hours. Over the past 30 days it has moved between 18.71 m and 18.75 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
18.71 m – 18.75 m
Lowest and highest in 12 months
18.72 m – 18.75 m

On the river at Syleham Mill Sluice

There is no published typical range for this gauge yet, so anglers and canoeists are best guided by the trend.

Flood warnings for the area come from the Environment Agency.

Weather at the gauge

Rain in the last 3 days: 3.8 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

18 Sun 14° 8° 2.6 mm, 100% Wind 23 km/h
19 Mon 14° 9° 5.5 mm, 100% Wind 14 km/h
20 Tue 13° 12° 3.8 mm, 55% Wind 20 km/h
21 Wed 13° 9° 3.4 mm, 41% Wind 19 km/h
22 Thu 13° 5° 0.6 mm, 52% Wind 21 km/h
23 Fri 13° 7° 29 mm, 65% Wind 28 km/h
24 Sat 10° 3° 0.6 mm, 52% Wind 29 km/h

Forecast: Open-Meteo

Sunrise 07:26 AM Sunset 05:56 PM Daylight 10 hr, 30 min First quarter 49%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
NeedhamRiver gauge, River Waveney 0.21 m Low −0.01 m 2.4 km
BillingfordRiver gauge, River Waveney 0.11 m Very low −0.02 m 4.6 km
DissRiver gauge, River Waveney 0.26 m Normal −0.01 m 10 km
HuntingfieldRiver gauge, Huntingfield Watercourse 1.26 m Normal +0.26 m 13 km
DebenhamRiver gauge, River Deben 0.19 m Normal −0.01 m 15 km
FramlinghamRiver gauge, River Ore −0.04 m Low +0.03 m 16 km
SibtonRiver gauge, River Yox 0.25 m Low +0.02 m 17 km
BrandestonRiver gauge, River Deben 0.28 m Normal +0.01 m 19 km

Questions and answers

Is Syleham Mill Sluice really 18.72 m deep?

No. 18.72 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 Syleham Mill Sluice today?

On 18 Oct 2026, 12:45 BST, the surface elevation was 18.72 m. Steady over the last 24 hours.

Is Syleham Mill Sluice rising or falling?

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

Is the level of Syleham Mill Sluice 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:E21785
Coordinates
52.36523, 1.24902 (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 18.72 m 2026-10-18 11:45 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: Syleham Mill Sluice (ea:E21785). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/suffolk/syleham-mill-sluice

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.