Millstone River at Nanaimo

Water level and flow at gauge 08HB032, British Columbia. The flow is normal for October (188% of the median). In the last 24 hours it has been rising.

Water level
1.36m4.45ft
+14 cm+5.3 in in 24 h
Flow
0.74m³/s26.1cfs
+381% in 24 h
Status
Normal
↑ rising +381%

Latest reading Oct 25, 6 AM 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 40 years of monthly averages): 0.10 m³/s3.47 cfs – 1.07 m³/s37.9 cfs, median 0.39 m³/s13.9 cfs. Right now it is at 188% of the median.

Highest flow on record
58.3m³/s2,059cfs

November 20, 2009 · approved records 1987–2024 (HYDAT). Right now the flow is 1% of that record.

Last 30 days

Hourly readings · shaded: normal range for this month

0.5 m³/s1.0 m³/s10 cfs20 cfs30 cfs40 cfsNormal for October
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily flow

5 m³/s10 m³/s15 m³/s20 m³/s200 cfs400 cfs600 cfs
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median20242026 (provisional)

Normal range: monthly averages of 40 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

Cloudy with 60 percent chance of showers. Wind east 20 km/h except gusting to 50 near the Strait of Georgia this morning. High 11. UV index 1 or low.

Tonight

Cloudy with 60 percent chance of showers. Wind northeast 20 km/h becoming northwest 20 after midnight. Low 6.

Monday

Clearing early in the morning. Wind northwest 20 km/h becoming light late in the afternoon. High 14. UV index 1 or low.

Monday night

Cloudy periods. Low 7 except plus 2 inland.

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

Nearby gauges

Nanaimo RiverCassidy · 13 km0.74 m2.44 ftVery low
South Nanaimo RiverJunction · 17 km2.30 m7.55 ftVery low
Jump CreekThe Mouth · 23 km0.83 m2.72 ftBelow normal
Englishman RiverParksville · 28 km0.95 m3.13 ftBelow normal
Cottonwood Creek Headwaters08HA072 · 34 km0.70 m2.31 ftVery low
Roberts CreekRoberts Creek · 36 km0.50 m1.64 ftNormal

About this gauge

Station: 08HB032 · Millstone River at Nanaimo

Location: 49.1774, -123.9690 · British Columbia

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 Millstone River at Nanaimo today?

The latest reading (Oct 25, 6 AM, local standard time) is 1.36 m (4.45 ft) with a flow of 0.74 m³/s (26.1 cfs).

Is the Millstone River at Nanaimo high right now?

The flow is normal for October (188% of the median).

Is the Millstone River rising or falling?

In the last 24 hours it has been rising.

What is the highest flow ever recorded on the Millstone River at Nanaimo?

58.3 m³/s (2,059 cfs) on November 20, 2009, the highest instantaneous flow in the approved records of the Water Survey of Canada (1987–2024). Events after 2024 are not yet in the approved archive.

Where does this data come from?

Gauge 08HB032 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.