Missinaibi River at Mattice water level
River gauge, Missinaibi River, Ontario, Canada
Right now
Low for mid-October
Water level
- Flow
- 16.8 m³/s
History
20252026
What this means
At 0.28 m, the Missinaibi River at Mattice is below normal for mid-October.
The median for mid-October is 0.48 m, based on 21 years of readings, so the water level is 0.20 m below typical. On the same day last year the reading was 0.34 m, a difference of −0.06 m.
The water is rising: up 0.04 m over the past 24 hours. Over the past 30 days it has moved between 0.13 m and 0.28 m.
Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that.
Compared with 21 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 0.48 m0.20 m below the median for this date
- Normal for this date
- 0.16 m – 1.54 m8 years in 10 fall in this range (21 years of records)
- Same day last year
- 0.34 m−0.06 m
- Lowest and highest in 30 days
- 0.13 m – 0.28 m
- Lowest and highest in 12 months
- 0.14 m – 0.75 m
Conditions at Missinaibi River at Mattice
Low water means shallow riffles on canoe trips and warmer water for fish.
Flood advisories come from the provincial river forecast centre.
About the Missinaibi River
The Missinaibi River is a river in northern Ontario, Canada, which flows northeast from Missinaibi Lake, north of Chapleau, and empties into the Moose River, which drains into James Bay. This river is 755 kilometres (469 mi) in length. It is one of the longest free-flowing and undeveloped rivers in Ontario.
Text and image from Wikipedia and Wikimedia Commons, licensed under CC BY-SA.
Weather at the gauge
The forecast is not available right now.
Map
Other gauges on the Missinaibi River
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Missinaibi River below Waboose RiverRiver gauge, Missinaibi River | 24.63 m | Normal | +0.04 m | 137 km |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Mattawishkwia River at HearstRiver gauge, Mattawishkwia River | 4.98 m | Normal | +0.04 m | 29 km |
| Kapuskasing River at KapuskasingRiver gauge, Kapuskasing River | 4.65 m | Normal | −0.07 m | 64 km |
Questions and answers
Is the Missinaibi River at Mattice higher than last year?
No, it is 0.06 m lower than on the same day last year, when the reading was 0.34 m.
What is a normal level for the Missinaibi River at Mattice in mid-October?
The median for mid-October is 0.48 m. In 8 years out of 10 the reading falls between 0.16 m and 1.54 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 0.28 m on the gauge does not mean the water is that deep.
What is the water level of Missinaibi River at Mattice today?
On Oct 18, 2026, 03:55 PM EDT, the water level was 0.28 m. Up 0.04 m over the last 24 hours.
Is Missinaibi River at Mattice rising or falling?
Up 0.04 m over the last 24 hours. Up 0.12 m over the last 7 days.
Is the level of Missinaibi River at Mattice normal?
Low 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:04LJ001(Agency page)- Coordinates
49.61108, -83.26778(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 | 0.28 m | 2026-10-18 19:55 | Provisional |
| Flow | 16.8 m³/s | 2026-10-18 19:55 | Provisional |
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How to cite
Environment and Climate Change Canada – Water Survey of Canada: Missinaibi River at Mattice (eccc:04LJ001). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/missinaibi-river-at-mattice
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