Lake Rosseau at Port Carling

Water level and flow at gauge 02EB020, Ontario. The level is below normal for October. In the last 24 hours it has been steady.

Water level
8.77m28.77ft
−0 cm−0.2 in in 24 h
Flow
—
 
Status
Below normal
→ steady

Latest reading Oct 25, 10 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 21 years of monthly averages): 8.81 m28.91 ft – 8.84 m29.01 ft, median 8.83 m28.96 ft.

Highest level on record
9.36m30.70ft

April 30, 2013 · approved records 2003–2024 (HYDAT). Right now the level is 0.59 m1.93 ft below that record.

Last 30 days

Hourly readings · shaded: normal range for this month

8.76 m8.78 m8.80 m8.82 m8.84 m28.8 ft28.9 ft29.0 ftNormal for October
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily water level

8.4 m8.6 m8.8 m9.0 m9.2 m28 ft29 ft30 ft
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median20242026 (provisional)

Normal range: monthly averages of 22 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

Mainly sunny. Wind southwest 20 km/h becoming light this afternoon. High 17. UV index 3 or moderate.

Tonight

Mainly cloudy. 30 percent chance of showers overnight. Low 9.

Monday

Mainly cloudy. 30 percent chance of showers in the morning. Clearing late in the afternoon. Wind north 20 km/h becoming light late in the morning. High 12. UV index 3 or moderate.

Monday night

Clear. Low minus 6.

Forecast for Port Carling (1 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.

Nearby gauges

Lake MuskokaBeaumaris · 9 km9.32 m30.56 ftBelow normal
Bala BayBala · 12 km225.19 m738.80 ftBelow normal
Moon RiverHighway No. 400 · 18 km0.99 m3.24 ftVery low
Musquash RiverHighway No. 400 · 19 km8.71 m28.58 ftVery low
Go Home LakePotters Landing · 25 km185.22 m607.66 ftVery high
North Branch Muskoka RiverPort Sydney · 26 km0.73 m2.41 ftBelow normal

About this gauge

Station: 02EB020 · Lake Rosseau at Port Carling

Location: 45.1201, -79.5765 · Ontario

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 Lake Rosseau at Port Carling today?

The latest reading (Oct 25, 10 AM, local standard time) is 8.77 m (28.77 ft).

Is the Lake Rosseau at Port Carling high right now?

The level is below normal for October.

Is the Lake Rosseau rising or falling?

In the last 24 hours it has been steady.

What is the highest water level ever recorded on the Lake Rosseau at Port Carling?

9.36 m (30.70 ft) on April 30, 2013, the highest instantaneous level in the approved records of the Water Survey of Canada (2003–2024). Events after 2024 are not yet in the approved archive.

Where does this data come from?

Gauge 02EB020 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.