Nivelmap
EN

How to read levelsSources and methods

North America

Western Europe

Central Europe

Mediterranean

Nordic countries

Lac Seul at Hudson water level

Lake, Lac Seul, Ontario, Canada

Directions

Normal for mid-October

Surface elevation

356.33m Down 0.04 m over the last 24 hours

356.0 356.5

History

356.0356.5mOct 11Oct 13Oct 15Oct 16Oct 18356.0356.5mOct 11Oct 15Oct 18
356.0356.5mSep 18Sep 26Oct 3Oct 11Oct 18356.0356.5mSep 18Oct 3Oct 18
355356357mOct 2016Apr 2019Oct 2021Apr 2024Oct 2026355356357mOct 2016Oct 2021Oct 2026
355356357mJanMarMayJulSepNov2026355356357mJanAprJulOct2026

202020212022202320242026

Surface elevation Normal range (10–90 %)

What this means

Nothing unusual at Lac Seul at Hudson right now: the water level of 356.33 m is in the normal range for mid-October.

That puts it 0.14 m above the median of 356.19 m for mid-October, based on 11 years of readings.

The level is falling, down 0.04 m over the past 24 hours. Over the past 30 days it has moved between 356.33 m and 356.44 m.

Lakes and reservoirs often sit lower in fall after a summer of evaporation and use, and recover with winter rain and spring snowmelt.

Compared with 11 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
356.19 m0.14 m above the median for this date
Normal for this date
355.83 m – 356.69 m8 years in 10 fall in this range (11 years of records)
Lowest and highest in 30 days
356.33 m – 356.44 m
Lowest and highest in 12 months
356.36 m – 356.43 m

Swimming and boating at Lac Seul at Hudson

At a normal level, ramps and marinas generally run as usual, and fishing tends to follow the season more than the water level.

If you swim, pick a spot with an easy way out, and remember that drop-offs move as the level changes.

Weather at the gauge

Rain in the last 3 days: 1.9 mm.

18 Sun 15° 7° – Wind 35 km/h
19 Mon 13° 3° – Wind 19 km/h
20 Tue 15° 2° – Wind 17 km/h
21 Wed 14° 5° 1.0 mm Wind 15 km/h
22 Thu 15° 2° – Wind 8 km/h
23 Fri 18° 8° 3.0 mm, 39% Wind 18 km/h
24 Sat 15° -1° 17 mm, 39% Wind 39 km/h

Forecast: Open-Meteo

Sunrise 07:36 AM Sunset 06:13 PM Daylight 10 hr, 37 min First quarter 50%

Map

Other gauges on the Lac Seul

Gauge Level Compared with normal 24 hours Distance
Lac Seul at Lac SeulLake, Lac Seul 356.32 m Normal ±0 26 km
Lac Seul at GoldpinesLake, Lac Seul 356.34 m Normal ±0 94 km

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Pelican Lake at Sioux LookoutLake, Pelican Lake 356.73 m No reference yet ±0 18 km
Sturgeon River at McDougall MillsRiver gauge, Sturgeon River 28.75 m Normal ±0 46 km
English River at UmfrevilleRiver gauge, English River 393.85 m Low +0.01 m 56 km

Questions and answers

What is a normal level for Lac Seul at Hudson in mid-October?

The median for mid-October is 356.19 m. In 8 years out of 10 the reading falls between 355.83 m and 356.69 m, based on 11 years of records.

Is Lac Seul at Hudson really 356.33 m deep?

No. 356.33 m is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Lac Seul at Hudson today?

On Oct 18, 2026, 07:35 AM CDT, the surface elevation was 356.33 m. Down 0.04 m over the last 24 hours.

Is Lac Seul at Hudson rising or falling?

Down 0.04 m over the last 24 hours. Down 0.05 m over the last 7 days.

Is the level of Lac Seul at Hudson normal?

Normal for mid-October. Compared with 11 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:05QB002 (Agency page)
Coordinates
50.09229, -92.17011 (WGS84)
Vertical datum
LAC SEUL DATUM
Update interval
every hour
Licence
Open Government Licence – Canada. Contains information licensed under the Open Government Licence – Canada

Published series

ParameterLast valueTime (UTC)Quality
Surface elevation 356.33 m 2026-10-18 12:35 Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

How to cite

Environment and Climate Change Canada – Water Survey of Canada: Lac Seul at Hudson (eccc:05QB002). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/lac-seul-at-hudson

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