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Medway River at London water level

River gauge, Medway River, Ontario, Canada

Directions

Right now

Normal for mid-October

Water level

3.59m Down 0.02 m over the last 24 hours

Flow
0.62 m³/s
3.5 3.6 3.7 3.9

History

History
3.63.8mOct 12Oct 14Oct 15Oct 17Oct 193.63.8mOct 12Oct 15Oct 19
3.63.8mSep 19Sep 26Oct 4Oct 11Oct 193.63.8mSep 19Oct 4Oct 19
3.54.04.5mOct 2025Jan 2026Apr 2026Jul 2026Oct 20263.54.04.5mOct 2025Apr 2026Oct 2026
3.54.04.5mJanMarMayJulSepNov20263.54.04.5mJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

The Medway River at London is at 3.59 m, in the normal range for mid-October.

The median for mid-October is 3.60 m, based on 21 years of readings, so the water level is 0.01 m below typical. On the same day last year the reading was 3.77 m, a difference of −0.19 m.

It has dropped 0.02 m over the past 24 hours. In the last month it has stayed between 3.49 m and 3.85 m.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 21 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
3.60 m0.01 m below the median for this date
Normal for this date
3.49 m – 3.84 m8 years in 10 fall in this range (21 years of records)
Same day last year
3.77 m−0.19 m
Lowest and highest in 30 days
3.49 m – 3.85 m
Lowest and highest in 12 months
3.49 m – 4.65 m

On the river

Outside the spring freshet, most rivers settle into a gentler pattern, broken by storms.

Flood advisories come from the provincial river forecast centre.

Weather at the gauge

No rain in the last 3 days.

19 Mon 18° 3° – Wind 11 km/h
20 Tue 17° 3° – Wind 13 km/h
21 Wed 18° 4° – Wind 13 km/h
22 Thu 19° 7° – Wind 15 km/h
23 Fri 16° 7° – Wind 23 km/h
24 Sat 17° 6° – Wind 19 km/h
25 Sun 17° 9° – Wind 28 km/h

Forecast: Open-Meteo

Sunrise 07:44 AM Sunset 06:38 PM Daylight 10 hr, 54 min First quarter 57%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Stoney Creek at LondonRiver gauge, Stoney Creek 7.05 m Normal −0.01 m 2.4 km
Thames River at ByronRiver gauge, Thames River 1.78 m Low −0.02 m 7.1 km
Thames River near EalingRiver gauge, Thames River 0.44 m Normal −0.02 m 7.4 km
North Thames River below Fanshawe DamRiver gauge, North Thames River 6.22 m Low −0.01 m 8.5 km
Dingman Creek below LambethRiver gauge, Dingman Creek 4.84 m Low −0.02 m 11 km
Oxbow Creek near KilworthRiver gauge, Oxbow Creek 4.69 m Normal −0.02 m 12 km
North Thames River near ThorndaleRiver gauge, North Thames River 1.53 m Normal −0.01 m 17 km
Little Ausable River near Lucan CrossingRiver gauge, Little Ausable River 2.52 m Normal −0.02 m 23 km

Questions and answers

Is the Medway River at London higher than last year?

No, it is 0.19 m lower than on the same day last year, when the reading was 3.77 m.

What is a normal level for the Medway River at London in mid-October?

The median for mid-October is 3.60 m. In 8 years out of 10 the reading falls between 3.49 m and 3.84 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 3.59 m on the gauge does not mean the water is that deep.

What is the water level of Medway River at London today?

On Oct 19, 2026, 03:40 AM EDT, the water level was 3.59 m. Down 0.02 m over the last 24 hours.

Is Medway River at London rising or falling?

Down 0.02 m over the last 24 hours. Down 0.02 m over the last 7 days.

Is the level of Medway River at London normal?

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

How often is this data updated?

Environment and Climate Change Canada – Water Survey of Canada publishes a new reading every hour. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Environment and Climate Change Canada – Water Survey of Canada
Station code
eccc:02GD008 (Agency page)
Coordinates
43.01367, -81.28044 (WGS84)
Vertical datum
station datum (assumed datum)
Update interval
every hour
Licence
Open Government Licence – Canada. Contains information licensed under the Open Government Licence – Canada

Published series

ParameterLast valueTime (UTC)Quality
Water level 3.59 m 2026-10-19 07:40 Provisional
Flow 0.62 m³/s 2026-10-19 07:40 Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: Medway River at London (eccc:02GD008). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/medway-river-at-london

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.