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Seagry water level

River gauge, Wiltshire, United Kingdom

Directions

Right now

Normal for mid-October

Surface elevation

53.43m Steady over the last 24 hours

53.4 53.5

History

History
53.453.5mOct 11Oct 12Oct 14Oct 16Oct 1753.453.5mOct 11Oct 14Oct 17
53.453.5mSep 18Sep 25Oct 2Oct 10Oct 1753.453.5mSep 18Oct 2Oct 17
52.553.053.5mOct 2025Jan 2026Apr 2026Jul 2026Oct 202652.553.053.5mOct 2025Apr 2026Oct 2026
52.553.053.5mJanMarMayJulSepNov202652.553.053.5mJanAprJulOct2026

20252026

Surface elevation Normal range (10–90 %)

What this means

Seagry is at 53.43 m, in the normal range for mid-October.

The median for mid-October is 53.46 m, based on 21 years of readings, so the river level is 0.03 m below typical. On the same day last year the reading was 53.34 m, a difference of +0.08 m.

It has barely moved over the past 24 hours. In the last month it has stayed between 53.40 m and 53.49 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
53.46 m0.03 m below the median for this date
Normal for this date
53.33 m – 53.50 m8 years in 10 fall in this range (21 years of records)
Same day last year
53.34 m+0.08 m
Lowest and highest in 30 days
53.40 m – 53.49 m
Lowest and highest in 12 months
52.20 m – 53.67 m

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

17 Sat 13° 5° – Wind 19 km/h
18 Sun 13° 5° 0.2 mm, 21% Wind 22 km/h
19 Mon 14° 7° 3.2 mm, 71% Wind 17 km/h
20 Tue 13° 8° 5.7 mm, 59% Wind 13 km/h
21 Wed 13° 7° 2.4 mm, 59% Wind 27 km/h
22 Thu 14° 5° 2.7 mm, 56% Wind 17 km/h
23 Fri 14° 7° 25 mm, 82% Wind 37 km/h

Forecast: Open-Meteo

Sunrise 07:36 AM Sunset 06:13 PM Daylight 10 hr, 37 min First quarter 44%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Avon WeirRiver gauge 50.47 m Very low −0.01 m 1.2 km
Avon MillRiver gauge 47.68 m Very low −0.01 m 2.8 km
Great SomerfordRiver gauge, River Avon 0.14 m Low ±0 3.0 km
RodbourneRiver gauge, Gauze Brook 0.04 m Low ±0 4.1 km
DauntseyRiver gauge, Dauntsey Brook 0.03 m Very low −0.02 m 4.5 km
Crabb MillRiver gauge, Woodbridge Brook 0.05 m Low +0.01 m 6.3 km
St Johns WeirRiver gauge, Sherston Avon 0.10 m Normal ±0 6.8 km
StanleyRiver gauge, River Marden 0.36 m Low −0.04 m 7.4 km

Questions and answers

Is Seagry higher than last year?

Yes, it is 0.08 m higher than on the same day last year, when the reading was 53.34 m.

What is a normal level for Seagry in mid-October?

The median for mid-October is 53.46 m. In 8 years out of 10 the reading falls between 53.33 m and 53.50 m, based on 21 years of records.

Is Seagry really 53.43 m deep?

No. 53.43 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 Seagry today?

On 17 Oct 2026, 23:45 BST, the surface elevation was 53.43 m. Steady over the last 24 hours.

Is Seagry rising or falling?

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

Is the level of Seagry normal?

Normal for mid-October. Compared with 21 years of daily readings for this time of year.

How often is this data updated?

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

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Environment Agency
Station code
ea:531163
Coordinates
51.52217, -2.06492 (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 53.43 m 2026-10-17 22:45 Provisional

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How to cite

Environment Agency: Seagry (ea:531163). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/wiltshire/seagry

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.