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Lake of the Prairies near Shellmouth water level

Lake, Lake of the Prairies, Manitoba, Canada

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Right now

Very high for mid-October

Surface elevation

428.41m Down 0.01 m over the last 24 hours

427 428

History

History
427428429mOct 13Oct 15Oct 17Oct 18Oct 20427428429mOct 13Oct 17Oct 20
427428429mSep 20Sep 28Oct 5Oct 13Oct 20427428429mSep 20Oct 5Oct 20
424426428mOct 2025Jan 2026Apr 2026Jul 2026Oct 2026424426428mOct 2025Apr 2026Oct 2026
422424426428mOct 2016Apr 2019Oct 2021Apr 2024Oct 2026422424426428mOct 2016Oct 2021Oct 2026
424426428mJanMarMayJulSepNov2026424426428mJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %)

What this means

There is plenty of water in Lake of the Prairies near Shellmouth: 428.41 m, well above normal for mid-October.

The median for mid-October is 426.86 m, based on 11 years of readings, so the water level is 1.55 m above typical. On the same day last year the reading was 427.00 m, a difference of +1.41 m.

The level is falling, down 0.01 m over the past 24 hours. Over the past 30 days it has moved between 428.38 m and 429.22 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
426.86 m1.55 m above the median for this date
Normal for this date
426.59 m – 427.32 m8 years in 10 fall in this range (11 years of records)
Same day last year
427.00 m+1.41 m
Lowest and highest in 30 days
428.38 m – 429.22 m
Lowest and highest in 12 months
426.28 m – 429.31 m

Swimming and boating at Lake of the Prairies near Shellmouth

High water can flood ramps, parking areas and shoreline campsites, and it carries floating debris. Expect some no-wake zones to be extended.

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

No rain in the last 3 days.

19 Mon 14° -4° – Wind 29 km/h
20 Tue 15° 5° – Wind 26 km/h
21 Wed 14° -3° – Wind 21 km/h
22 Thu 20° 9° – Wind 24 km/h
23 Fri 19° 11° 1.0 mm, 54% Wind 27 km/h
24 Sat 16° 0° 2.9 mm, 54% Wind 41 km/h
25 Sun 0° -3° 1.7 mm, 24% Wind 49 km/h

Forecast: Open-Meteo

Sunrise 08:18 AM Sunset 06:44 PM Daylight 10 hr, 27 min Waxing gibbous 69%

Map

Other gauges on Lake of the Prairies

Gauge Level Compared with normal 24 hours Distance
Lake of the Prairies near TogoLake, Lake of the Prairies 94.77 m No reference yet −0.03 m 39 km

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Assiniboine River at Shellmouth BridgeRiver gauge, Assiniboine River 411.90 m High ±0 5.9 km
Shell River near InglisRiver gauge, Shell River 437.89 m Very low ±0 6.6 km
Assiniboine River near RussellRiver gauge, Assiniboine River 408.77 m High ±0 17 km
Smith Creek near MarchwellRiver gauge, Smith Creek 0.71 m High −0.01 m 18 km
Conjuring Creek near RussellRiver gauge, Conjuring Creek 553.62 m High ±0 20 km
Pleasant Valley Reservoir near PetluraReservoir, Pleasant Valley Reservoir 540.32 m High −0.01 m 34 km
Silver Creek near BinscarthRiver gauge, Silver Creek 1.48 m High ±0 39 km
Shell River near RoblinRiver gauge, Shell River 1.26 m Very high −0.01 m 46 km

Questions and answers

Is Lake of the Prairies near Shellmouth higher than last year?

Yes, it is 1.41 m higher than on the same day last year, when the reading was 427.00 m.

What is a normal level for Lake of the Prairies near Shellmouth in mid-October?

The median for mid-October is 426.86 m. In 8 years out of 10 the reading falls between 426.59 m and 427.32 m, based on 11 years of records.

Is Lake of the Prairies near Shellmouth really 428.41 m deep?

No. 428.41 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 Lake of the Prairies near Shellmouth today?

On Oct 20, 2026, 10:25 AM CDT, the surface elevation was 428.41 m. Down 0.01 m over the last 24 hours.

Is Lake of the Prairies near Shellmouth rising or falling?

Down 0.01 m over the last 24 hours. Down 0.15 m over the last 7 days.

Is the level of Lake of the Prairies near Shellmouth normal?

Very high 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.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Environment and Climate Change Canada – Water Survey of Canada
Station code
eccc:05MD009 (Agency page)
Coordinates
50.96038, -101.41243 (WGS84)
Vertical datum
GEODETIC SURVEY OF CANADA 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 428.41 m 2026-10-20 15:25 Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: Lake of the Prairies near Shellmouth (eccc:05MD009). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/canada/manitoba/lake-of-the-prairies-near-shellmouth

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.