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North West Ganaraska River near Osaca water level

River gauge, North West Ganaraska River, Ontario, Canada

Directions

Right now

Normal for mid-October

Water level

2.48m Steady over the last 24 hours

Flow
0.29 m³/s
2.45 2.47 2.50 2.52

History

History
2.452.502.552.60mOct 13Oct 15Oct 16Oct 18Oct 202.452.502.552.60mOct 13Oct 16Oct 20
2.452.502.552.60mSep 20Sep 28Oct 5Oct 12Oct 202.452.502.552.60mSep 20Oct 5Oct 20
2.52.62.7mOct 2025Jan 2026Apr 2026Jul 2026Oct 20262.52.62.7mOct 2025Apr 2026Oct 2026
2.52.62.7mJanMarMayJulSepNov20262.52.62.7mJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

The North West Ganaraska River near Osaca is at 2.48 m, in the normal range for mid-October.

The median for mid-October is 2.48 m, based on 20 years of readings, and the gauge is right on it. On the same day last year the reading was 2.49 m, a difference of −0.02 m.

It has barely moved over the past 24 hours. In the last month it has stayed between 2.46 m and 2.60 m.

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

Compared with 20 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
2.48 m0.00 m below the median for this date
Normal for this date
2.46 m – 2.52 m8 years in 10 fall in this range (20 years of records)
Same day last year
2.49 m−0.02 m
Lowest and highest in 30 days
2.46 m – 2.60 m
Lowest and highest in 12 months
2.46 m – 2.52 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.

20 Tue 16° 5° – Wind 16 km/h
21 Wed 15° 1° – Wind 10 km/h
22 Thu 18° 5° – Wind 14 km/h
23 Fri 11° 2° – Wind 14 km/h
24 Sat 13° 2° – Wind 11 km/h
25 Sun 17° 6° – Wind 20 km/h
26 Mon 16° 10° – Wind 14 km/h

Forecast: Open-Meteo

Sunrise 07:35 AM Sunset 06:23 PM Daylight 10 hr, 48 min First quarter 68%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Ganaraska River near OsacaRiver gauge, Ganaraska River 0.37 m Low ±0 0.2 km
Ganaraska River above DaleRiver gauge, Ganaraska River 0.95 m Low ±0 9.3 km
Baxter Creek at MillbrookRiver gauge, Baxter Creek 2.42 m Low ±0 15 km
Wilmot Creek near LeskardRiver gauge, Wilmot Creek 1.14 m Low ±0 16 km
Wilmot Creek near NewcastleRiver gauge, Wilmot Creek 3.52 m Low ±0 17 km
Cobourg Brook near Precious CornersRiver gauge, Cobourg Brook 2.49 m Very high +0.01 m 19 km
Mackie Creek near HamptonRiver gauge, Mackie Creek 2.83 m Very low ±0 20 km
Cobourg Brook at CobourgRiver gauge, Cobourg Brook 6.42 m Normal ±0 21 km

Questions and answers

Is the North West Ganaraska River near Osaca higher than last year?

No, it is 0.02 m lower than on the same day last year, when the reading was 2.49 m.

What is a normal level for the North West Ganaraska River near Osaca in mid-October?

The median for mid-October is 2.48 m. In 8 years out of 10 the reading falls between 2.46 m and 2.52 m, based on 20 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 2.48 m on the gauge does not mean the water is that deep.

What is the water level of North West Ganaraska River near Osaca today?

On Oct 20, 2026, 06:40 AM EDT, the water level was 2.48 m. Steady over the last 24 hours.

Is North West Ganaraska River near Osaca rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of North West Ganaraska River near Osaca normal?

Normal for mid-October. Compared with 20 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:02HD004 (Agency page)
Coordinates
44.01719, -78.43875 (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 2.48 m 2026-10-20 10:40 Provisional
Flow 0.29 m³/s 2026-10-20 10:40 Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: North West Ganaraska River near Osaca (eccc:02HD004). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/north-west-ganaraska-river-near-osaca

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.