Thames River at Thamesville water level

Name: Thames River at Thamesville water level (Environment and Climate Change Canada – Water Survey of Canada)
Creator: Environment and Climate Change Canada – Water Survey of Canada
License: https://open.canada.ca/en/open-government-licence-canada

River gauge, Thames River, Ontario, Canada

Directions

Normal for mid-October

Water level

10.91m Down 0.05 m over the last 24 hours

Measured Oct 18, 2026, 10:50 AM EDT (1 hour ago)

Flow: 16.1 m³/s

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

The Thames River at Thamesville is at 10.91 m, in the normal range for mid-October.

That puts it 0.04 m below the median of 10.95 m for mid-October, based on 21 years of readings. A year ago it stood at 10.61 m (+0.30 m).

It has dropped 0.05 m over the past 24 hours. In the last month it has stayed between 10.64 m and 11.33 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: 10.95 m0.04 m below the median for this date
Normal for this date: 10.63 m – 12.58 m8 years in 10 fall in this range (21 years of records)
Same day last year: 10.61 m+0.30 m
Lowest and highest in 30 days: 10.64 m – 11.33 m
Lowest and highest in 12 months: 10.62 m – 11.43 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.

About the Thames River

The Thames River is located in southwestern Ontario, Canada.

Weather at the gauge

Rain in the last 3 days: 11 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

18 Sun 16° 2° – Wind 25 km/h

19 Mon 18° 3° – Wind 12 km/h

20 Tue 18° 8° – Wind 13 km/h

21 Wed 17° 7° – Wind 14 km/h

22 Thu 20° 8° – Wind 16 km/h

23 Fri 13° 4° – Wind 23 km/h

24 Sat 15° 6° – Wind 23 km/h

Forecast: Open-Meteo

Sunrise 07:45 AM Sunset 06:42 PM Daylight 10 hr, 58 min First quarter 51%

Map

Other gauges on the Thames River

Gauge	Level	Compared with normal	24 hours	Distance
Thames River at ChathamRiver gauge, Thames River	1.58 m	Normal	−0.07 m	23 km
Thames River near DuttonRiver gauge, Thames River	3.75 m	Normal	−0.05 m	38 km
Thames River at ByronRiver gauge, Thames River	1.78 m	Low	−0.03 m	70 km
Thames River near EalingRiver gauge, Thames River	0.45 m	Normal	−0.02 m	78 km
Thames River at IngersollRiver gauge, Thames River	1.26 m	Low	−0.01 m	104 km
Thames River at InnerkipRiver gauge, Thames River	7.30 m	Low	+0.01 m	128 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Sydenham River at FlorenceRiver gauge, Sydenham River	3.13 m	Normal	−0.03 m	12 km
McGregor Creek near ChathamRiver gauge, McGregor Creek	1.12 m	Normal	−0.04 m	21 km
Sydenham River near AlvinstonRiver gauge, Sydenham River	10.59 m	Normal	−0.01 m	33 km
Black Creek near BradshawRiver gauge, Black Creek	6.39 m	Normal	+0.01 m	34 km
Sydenham River at WallaceburgRiver gauge, Sydenham River	5.25 m	Normal	+0.04 m	34 km
Bear Creek below BrigdenRiver gauge, Bear Creek	3.92 m	Normal	+0.02 m	40 km
Bear Creek near PetroliaRiver gauge, Bear Creek	4.11 m	Normal	+0.01 m	42 km
Sydenham River at StrathroyRiver gauge, Sydenham River	1.83 m	Low	±0	54 km

Questions and answers

How does the Thames River at Thamesville compare with last year?

It is 0.30 m higher than on the same day last year, when the reading was 10.61 m.

What is a normal level for the Thames River at Thamesville in mid-October?

The median for mid-October is 10.95 m. In 8 years out of 10 the reading falls between 10.63 m and 12.58 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 10.91 m on the gauge does not mean the water is that deep.

What is the water level of Thames River at Thamesville today?

On Oct 18, 2026, 10:50 AM EDT, the water level was 10.91 m. Down 0.05 m over the last 24 hours.

Is Thames River at Thamesville rising or falling?

Down 0.05 m over the last 24 hours. Up 0.15 m over the last 7 days.

Is the level of Thames River at Thamesville 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:02GE003 (Agency page)
Coordinates: 42.54486, -81.96727 (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

Parameter	Last value	Time (UTC)	Quality
Water level	10.91 m	2026-10-18 14:50	Provisional
Flow	16.1 m³/s	2026-10-18 14:50	Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: Thames River at Thamesville (eccc:02GE003). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/thames-river-at-thamesville

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.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer