Chemainus River near Westholme water level

Name: Chemainus River near Westholme 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, Chemainus River, British Columbia, Canada

Directions

Normal for mid-October

Water level

0.61m Steady over the last 24 hours

Measured Oct 19, 2026, 08:10 AM PDT (41 min ago)

Flow: 1.08 m³/s

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

The Chemainus River near Westholme is at 0.61 m, in the normal range for mid-October.

That puts it 0.11 m below the median of 0.72 m for mid-October, based on 16 years of readings. A year ago it stood at 0.67 m (−0.07 m).

The level has held steady over the past 24 hours. In the last month it has stayed between 0.53 m and 0.63 m.

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

Compared with 16 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 0.72 m0.11 m below the median for this date
Normal for this date: 0.42 m – 1.21 m8 years in 10 fall in this range (16 years of records)
Same day last year: 0.67 m−0.07 m
Lowest and highest in 30 days: 0.53 m – 0.63 m
Lowest and highest in 12 months: 0.53 m – 2.13 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.

19 Mon 14° 6° – Wind 10 km/h

20 Tue 19° 8° – Wind 12 km/h

21 Wed 17° 7° – Wind 6 km/h

22 Thu 15° 8° – Wind 6 km/h

23 Fri 14° 6° – Wind 8 km/h

24 Sat 14° 5° – Wind 5 km/h

25 Sun 15° 4° – Wind 7 km/h

Forecast: Open-Meteo

Sunrise 07:42 AM Sunset 06:19 PM Daylight 10 hr, 37 min First quarter 60%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Bings Creek near the MouthRiver gauge, Bings Creek	1.36 m	Very low	±0	10 km
Cowichan River near DuncanRiver gauge, Cowichan River	0.31 m	Low	+0.03 m	12 km
Koksilah River at Cowichan StationRiver gauge, Koksilah River	0.48 m	Very low	±0	17 km
Nanaimo River near CassidyRiver gauge, Nanaimo River	0.68 m	Low	±0	25 km
Cowichan River at Lake CowichanRiver gauge, Cowichan River	0.30 m	Very low	+0.02 m	26 km
Cowichan Lake near Lake CowichanLake, Cowichan Lake	0.53 m	Low	±0	27 km
South Nanaimo River near JunctionRiver gauge, South Nanaimo River	2.21 m	Low	−0.02 m	37 km
Millstone River at NanaimoRiver gauge, Millstone River	1.22 m	Very low	±0	38 km

Questions and answers

How does the Chemainus River near Westholme compare with last year?

It is 0.07 m lower than on the same day last year, when the reading was 0.67 m.

What is a normal level for the Chemainus River near Westholme in mid-October?

The median for mid-October is 0.72 m. In 8 years out of 10 the reading falls between 0.42 m and 1.21 m, based on 16 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 0.61 m on the gauge does not mean the water is that deep.

What is the water level of Chemainus River near Westholme today?

On Oct 19, 2026, 08:10 AM PDT, the water level was 0.61 m. Steady over the last 24 hours.

Is Chemainus River near Westholme rising or falling?

Steady over the last 24 hours. Up 0.01 m over the last 7 days.

Is the level of Chemainus River near Westholme normal?

Normal for mid-October. Compared with 16 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:08HA001 (Agency page)
Coordinates: 48.87836, -123.70464 (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	0.61 m	2026-10-19 15:10	Provisional
Flow	1.08 m³/s	2026-10-19 15:10	Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: Chemainus River near Westholme (eccc:08HA001). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/canada/british-columbia/chemainus-river-near-westholme

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