Thames River at Chatham

Water level and flow at gauge 02GE004, Ontario. The level is normal for October. In the last 24 hours it has been steady.

Water level
1.55m5.07ft
+2 cm+0.9 in in 24 h
Flow
—
 
Status
Normal
→ steady

Latest reading Oct 25, 1 PM local standard time (about an hour ago) · data checked · we check every 30 minutes

Compared with a normal October

Normal for October (middle half of 41 years of monthly averages): 1.34 m4.39 ft – 1.78 m5.85 ft, median 1.59 m5.22 ft.

Highest level on record
6.47m21.23ft

February 24, 2018 · approved records 1989–2025 (HYDAT). Right now the level is 4.92 m16.16 ft below that record.

Compared with a year ago

0.27 m0.88 ft higher than on October 25, 2025 (1.28 m4.19 ft)

approved daily mean (HYDAT)

Last 30 days

Hourly readings · shaded: normal range for this month

1.4 m1.6 m1.8 m4.5 ft5.0 ft5.5 ft6.0 ftNormal for October
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily water level

1 m2 m3 m4 m5 m5 ft10 ft15 ft
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median202420252026 (provisional)

Normal range: monthly averages of 34 years (lighter band: 10th–90th percentile). Past years: approved daily means from HYDAT, the Water Survey of Canada archive (the latest year published is 2025). 2026: daily means of the provisional real-time readings collected by Canada River Levels since October 22, 2026.

Weather near this gauge

Today

Sunny. High 19. UV index 4 or moderate.

Tonight

Partly cloudy. Fog patches developing overnight. Low 8.

Monday

A mix of sun and cloud. Fog patches dissipating in the morning. Wind becoming north 20 km/h late in the afternoon. High 19. UV index 4 or moderate.

Monday night

Cloudy periods. Low plus 5.

Forecast for Chatham-Kent (4 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.

Nearby gauges

McGregor CreekChatham · 8 km1.06 m3.46 ftBelow normal
Thames RiverThamesville · 23 km10.73 m35.20 ftBelow normal
Sydenham RiverWallaceburg · 26 km5.17 m16.96 ftNormal
Sydenham RiverFlorence · 30 km3.06 m10.05 ftNormal
Black CreekBradshaw · 39 km6.35 m20.84 ftNormal
Ruscom RiverRuscom Station · 43 km3.78 m12.41 ftNormal

About this gauge

Station: 02GE004 · Thames River at Chatham

Location: 42.4143, -82.1794 · Ontario

Same river: Ealing, Ingersoll, Innerkip, Byron, Thamesville, Dutton

Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.

Questions

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

The latest reading (Oct 25, 1 PM, local standard time) is 1.55 m (5.07 ft).

Is the Thames River at Chatham high right now?

The level is normal for October.

Is the Thames River rising or falling?

In the last 24 hours it has been steady.

What is the highest water level ever recorded on the Thames River at Chatham?

6.47 m (21.23 ft) on February 24, 2018, the highest instantaneous level in the approved records of the Water Survey of Canada (1989–2025). Events after 2025 are not yet in the approved archive.

How does the Thames River at Chatham compare with a year ago?

The level is 0.27 m (0.88 ft) higher than on October 25, 2025 (1.28 m (4.19 ft), approved daily mean (HYDAT)).

Where does this data come from?

Gauge 02GE004 of the Water Survey of Canada (Environment and Climate Change Canada). Real-time data are provisional and may be revised. We check for new readings every 30 minutes. Canada River Levels is not an official source.