Thames River at Chatham water level

Name: Thames River at Chatham 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

1.54m Down 0.11 m over the last 24 hours

Measured Oct 18, 2026, 05:10 AM EDT (33 min ago)

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

Water levels are unremarkable at Thames River at Chatham, where the gauge shows 1.54 m.

The median for mid-October is 1.53 m, based on 21 years of readings, and the gauge is right on it. A year ago it stood at 1.29 m (+0.25 m).

It is still going down, by 0.11 m over the past 24 hours. The 30-day range is 1.46 m – 1.82 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: 1.53 m0.00 m above the median for this date
Normal for this date: 1.08 m – 2.05 m8 years in 10 fall in this range (21 years of records)
Same day last year: 1.29 m+0.25 m
Lowest and highest in 30 days: 1.46 m – 1.82 m
Lowest and highest in 12 months: 1.09 m – 2.99 m

Freshet, ice and paddling

Open-water season is the time for canoe trips and fishing, though rapids change character with every few centimetres of water.

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

18 Sun 14° 3° – Wind 20 km/h

19 Mon 16° 4° – Wind 11 km/h

20 Tue 19° 8° – Wind 13 km/h

21 Wed 17° 7° – Wind 13 km/h

22 Thu 19° 8° – Wind 11 km/h

23 Fri 18° 9° – Wind 18 km/h

24 Sat 18° 10° – Wind 23 km/h

Forecast: Open-Meteo

Sunrise 07:46 AM Sunset 06:43 PM Daylight 10 hr, 58 min First quarter 48%

Map

Other gauges on the Thames River

Gauge	Level	Compared with normal	24 hours	Distance
Thames River at ThamesvilleRiver gauge, Thames River	10.92 m	Normal	−0.05 m	23 km
Thames River near DuttonRiver gauge, Thames River	3.76 m	Normal	−0.04 m	61 km
Thames River at ByronRiver gauge, Thames River	1.80 m	Normal	−0.02 m	92 km
Thames River near EalingRiver gauge, Thames River	0.45 m	Normal	−0.02 m	101 km
Thames River at IngersollRiver gauge, Thames River	1.27 m	Low	−0.01 m	127 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
McGregor Creek near ChathamRiver gauge, McGregor Creek	1.13 m	Normal	−0.04 m	7.7 km
Sydenham River at WallaceburgRiver gauge, Sydenham River	5.27 m	Normal	+0.04 m	26 km
Sydenham River at FlorenceRiver gauge, Sydenham River	3.14 m	Normal	−0.02 m	30 km
Black Creek near BradshawRiver gauge, Black Creek	6.39 m	Normal	+0.01 m	39 km
Ruscom River near Ruscom StationRiver gauge, Ruscom River	3.82 m	Normal	−0.05 m	43 km
Bear Creek below BrigdenRiver gauge, Bear Creek	3.93 m	Normal	+0.03 m	45 km
Sydenham River near AlvinstonRiver gauge, Sydenham River	10.59 m	Normal	−0.01 m	54 km
Bear Creek near PetroliaRiver gauge, Bear Creek	4.10 m	Normal	±0	55 km

Questions and answers

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

It is 0.25 m higher than on the same day last year, when the reading was 1.29 m.

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

The median for mid-October is 1.53 m. In 8 years out of 10 the reading falls between 1.08 m and 2.05 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 1.54 m on the gauge does not mean the water is that deep.

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

On Oct 18, 2026, 05:10 AM EDT, the water level was 1.54 m. Down 0.11 m over the last 24 hours.

Is Thames River at Chatham rising or falling?

Down 0.11 m over the last 24 hours. Up 0.06 m over the last 7 days.

Is the level of Thames River at Chatham 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:02GE004 (Agency page)
Coordinates: 42.41428, -82.17944 (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	1.54 m	2026-10-18 09:10	Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

<iframe src="https://nivelmap.com/embed/19741?lang=en" width="360" height="230" style="border:0;max-width:100%" loading="lazy" title="Thames River at Chatham water level"></iframe>

How to cite

Environment and Climate Change Canada – Water Survey of Canada: Thames River at Chatham (eccc:02GE004). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/thames-river-at-chatham

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