North Branch Muskoka River at Port Sydney water level

Name: North Branch Muskoka River at Port Sydney 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, North Branch Muskoka River, Ontario, Canada

Directions

Low for late October

Water level

0.78m Steady over the last 24 hours

Measured Oct 21, 2026, 01:25 AM EDT (1 hour ago)

Flow: 8.28 m³/s

History

7 days 30 days

Water level Normal range (10–90 %)

What this means

The North Branch Muskoka River at Port Sydney is running below normal at 0.78 m.

That puts it 0.14 m below the median of 0.92 m for late October, based on 20 years of readings.

The level has held steady over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. In the last month it has stayed between 0.73 m and 0.90 m.

Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that.

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

Key numbers

Median for this date: 0.92 m0.14 m below the median for this date
Normal for this date: 0.67 m – 1.38 m8 years in 10 fall in this range (20 years of records)
Lowest and highest in 30 days: 0.73 m – 0.90 m
Lowest and highest in 12 months: 0.73 m – 0.88 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° -1° – Wind 8 km/h

21 Wed 15° 1° – Wind 10 km/h

22 Thu 14° 5° – Wind 14 km/h

23 Fri 12° 1° – Wind 8 km/h

24 Sat 15° 1° – Wind 9 km/h

25 Sun 18° 5° – Wind 17 km/h

26 Mon 11° 4° 0.3 mm Wind 10 km/h

Forecast: Open-Meteo

Sunrise 07:41 AM Sunset 06:23 PM Daylight 10 hr, 42 min Waxing gibbous 75%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Mary Lake at Port SydneyLake, Mary Lake	8.48 m	Normal	±0	0.8 km
Fairy Lake at HuntsvilleLake, Fairy Lake	6.27 m	Normal	±0	13 km
Lake of Bays at BaysvilleLake, Lake of Bays	10.22 m	Normal	±0	15 km
South Branch Muskoka River at BaysvilleRiver gauge, South Branch Muskoka River	7.43 m	Very low	±0	15 km
Big East River near HuntsvilleRiver gauge, Big East River	5.17 m	Very low	−0.02 m	22 km
Lake Muskoka at BeaumarisLake, Lake Muskoka	9.33 m	Normal	±0	23 km
Oxtongue River near DwightRiver gauge, Oxtongue River	3.06 m	Low	+0.02 m	25 km
Lake Rosseau at Port CarlingLake, Lake Rosseau	8.79 m	Low	±0	26 km

Questions and answers

What is a normal level for the North Branch Muskoka River at Port Sydney in late October?

The median for late October is 0.92 m. In 8 years out of 10 the reading falls between 0.67 m and 1.38 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 0.78 m on the gauge does not mean the water is that deep.

What is the water level of North Branch Muskoka River at Port Sydney today?

On Oct 21, 2026, 01:25 AM EDT, the water level was 0.78 m. Steady over the last 24 hours.

Is North Branch Muskoka River at Port Sydney rising or falling?

Steady over the last 24 hours. Up 0.02 m over the last 7 days.

Is the level of North Branch Muskoka River at Port Sydney normal?

Low for late 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.

Where does this data come from?

The values come directly from Environment and Climate Change Canada – Water Survey of Canada, the official operator of this gauge, and are published under the Open Government Licence – Canada. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: Environment and Climate Change Canada – Water Survey of Canada
Station code: eccc:02EB004 (Agency page)
Coordinates: 45.21286, -79.27528 (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	0.78 m	2026-10-21 05:25	Provisional
Flow	8.28 m³/s	2026-10-21 05:25	Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: North Branch Muskoka River at Port Sydney (eccc:02EB004). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/north-branch-muskoka-river-at-port-sydney

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