Lake of the Prairies at Shellmouth
Water level and flow at gauge 05MD009, Manitoba. The level is well above normal for October. In the last 24 hours it has been falling.
Latest reading Oct 25, 7 AM local standard time (2 hours ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 52 years of monthly averages): 426.73 m1,400.03 ft – 427.27 m1,401.80 ft, median 427.06 m1,401.11 ft.
July 9, 2014 · approved records 1971–2025 (HYDAT). Right now the level is 4.02 m13.20 ft below that record.
0.74 m2.42 ft higher than on October 25, 2025 (426.88 m1,400.52 ft)
approved daily mean (HYDAT)
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily water level
Normal range: monthly averages of 53 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.
Nearby gauges
| Blackbird CreekShellmouth · 6 km | 94.23 m309.16 ft | No normal yet |
| Shell RiverInglis · 7 km | 437.90 m1,436.67 ft | Very high |
| Assiniboine RiverRussell · 17 km | 408.77 m1,341.10 ft | Very high |
| Smith CreekMarchwell · 18 km | 0.71 m2.34 ft | Above normal |
| Conjuring CreekRussell · 20 km | 553.60 m1,816.26 ft | Very high |
| Pleasant Valley ReservoirPetlura · 34 km | 540.31 m1,772.67 ft | Very high |
About this gauge
Station: 05MD009 · Lake of the Prairies Near Shellmouth
Location: 50.9604, -101.4124 · Manitoba
Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.
Official sources
For flood warnings, advisories and approved data, always use these official services:
Questions
What is the water level of the Lake of the Prairies at Shellmouth today?
The latest reading (Oct 25, 7 AM, local standard time) is 427.61 m (1,402.93 ft).
Is the Lake of the Prairies at Shellmouth high right now?
The level is well above normal for October.
Is the Lake of the Prairies rising or falling?
In the last 24 hours it has been falling.
What is the highest water level ever recorded on the Lake of the Prairies at Shellmouth?
431.64 m (1,416.13 ft) on July 9, 2014, the highest instantaneous level in the approved records of the Water Survey of Canada (1971–2025). Events after 2025 are not yet in the approved archive.
How does the Lake of the Prairies at Shellmouth compare with a year ago?
The level is 0.74 m (2.42 ft) higher than on October 25, 2025 (426.88 m (1,400.52 ft), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 05MD009 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.