French River below Portage Dam

Water level and flow at gauge 02DD027, Ontario. The level is normal for October. In the last 24 hours it has been steady.

Water level
187.90m616.47ft
+0 cm+0.0 in in 24 h
Flow
—
 
Status
Normal
→ steady

Latest reading Oct 25, 1 PM 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 11 years of monthly averages): 187.79 m616.10 ft – 188.58 m618.71 ft, median 188.00 m616.79 ft.

Highest level on record
190.00m623.36ft

June 1, 2019 · approved records 2015–2025 (HYDAT). Right now the level is 2.10 m6.89 ft below that record.

Compared with a year ago

0.52 m1.70 ft higher than on October 25, 2025 (187.38 m614.77 ft)

approved daily mean (HYDAT)

Last 30 days

Hourly readings · shaded: normal range for this month

0 m³/s20,000 m³/s40,000 m³/s60,000 m³/s80,000 m³/s0 cfs1,000,000 cfs2,000,000 cfs3,000,000 cfs
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily water level

187 m188 m189 m614 ft616 ft618 ft620 ft622 ft
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median202420252026 (provisional)

Normal range: monthly averages of 10 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

A mix of sun and cloud. Becoming cloudy this afternoon. Wind southwest 30 km/h gusting to 50. High 16. UV index 3 or moderate.

Tonight

Mainly cloudy with 40 percent chance of showers. Clearing before morning. Wind southwest 20 km/h becoming light this evening. Low plus 5.

Monday

A mix of sun and cloud. Wind becoming north 20 km/h in the morning. High 9. UV index 3 or moderate.

Monday night

Clear. Low minus 7.

Forecast for West Nipissing (33 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.

Nearby gauges

Lake NipissingFrench River Outlet · 1 km195.56 m641.59 ftNormal
French RiverChaudiere Dam · 1 km189.19 m620.70 ftNormal
Little French RiverOkikendawt Island · 5 km193.08 m633.45 ftBelow normal
French RiverWolseley Bay · 19 km186.84 m612.99 ftNormal
Lake NipissingWest Bay · 26 km5.52 m18.10 ftNo normal yet
Dollars LakeBelow S Narrows · 28 km7.59 m24.90 ftVery low

About this gauge

Station: 02DD027 · French River Below Portage Dam

Location: 46.1205, -80.0181 · Ontario

Same river: Dry Pine Bay, Chaudiere Dam, Hartley Bay, Wolseley Bay, Recollet Falls, Little French Cut, Horseshoe Falls

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 French River below Portage Dam today?

The latest reading (Oct 25, 1 PM, local standard time) is 187.90 m (616.47 ft).

Is the French River below Portage Dam high right now?

The level is normal for October.

Is the French River rising or falling?

In the last 24 hours it has been steady.

What is the highest water level ever recorded on the French River below Portage Dam?

190.00 m (623.36 ft) on June 1, 2019, the highest instantaneous level in the approved records of the Water Survey of Canada (2015–2025). Events after 2025 are not yet in the approved archive.

How does the French River below Portage Dam compare with a year ago?

The level is 0.52 m (1.70 ft) higher than on October 25, 2025 (187.38 m (614.77 ft), approved daily mean (HYDAT)).

Where does this data come from?

Gauge 02DD027 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.