Assiniboine River at Portage la Prairie
Water level and flow at gauge 05MJ003, Manitoba. The flow is well above normal for October (378% of the median). In the last 24 hours it has been steady.
Latest reading Oct 25, 12 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 61 years of monthly averages): 17.6 m³/s622 cfs – 36.4 m³/s1,285 cfs, median 25.7 m³/s908 cfs. Right now it is at 378% of the median.
April 21, 1976 · approved records 1960–2025 (HYDAT). Right now the flow is 14% of that record.
117% higher than on October 25, 2025 (44.8 m³/s1,582 cfs)
approved daily mean (HYDAT)
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily flow
Normal range: monthly averages of 35 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
Sunny. Wind northwest 30 km/h gusting to 50. High 6. UV index 2 or low.
Partly cloudy. Wind northwest 20 km/h gusting to 40 becoming light late this evening. Low minus 3. Wind chill minus 7 overnight.
Mainly sunny. Wind up to 15 km/h. High 6. Wind chill minus 7 in the morning. UV index 2 or low.
Clear. Low minus 4.
Forecast for Portage la Prairie (4 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Portage ReservoirPortage la Prairie · 5 km | 262.32 m860.62 ft | Normal |
| Portage DiversionPortage la Prairie · 8 km | 259.97 m852.92 ft | No normal yet |
| Rat CreekMacdonald · 15 km | 7.09 m23.26 ft | Very low |
| Elm Creek ChannelElm Creek · 25 km | 99.89 m327.73 ft | Normal |
| Whitemud RiverWestbourne · 31 km | 0.50 m1.64 ft | Very high |
| La Salle RiverElie · 37 km | 237.43 m778.97 ft | Very low |
About this gauge
Station: 05MJ003 · Assiniboine River Near Portage la Prairie
Location: 49.9378, -98.2737 · Manitoba
Same river: Russell, Miniota, Brandon, Holland, Headingley, Baie St. Paul
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 Assiniboine River at Portage la Prairie today?
The latest reading (Oct 25, 12 PM, local standard time) is 255.17 m (837.17 ft) with a flow of 97.2 m³/s (3,433 cfs).
Is the Assiniboine River at Portage la Prairie high right now?
The flow is well above normal for October (378% of the median).
Is the Assiniboine River rising or falling?
In the last 24 hours it has been steady.
What is the highest flow ever recorded on the Assiniboine River at Portage la Prairie?
682 m³/s (24,085 cfs) on April 21, 1976, the highest instantaneous flow in the approved records of the Water Survey of Canada (1960–2025). Events after 2025 are not yet in the approved archive.
How does the Assiniboine River at Portage la Prairie compare with a year ago?
The flow is 117% higher than on October 25, 2025 (44.8 m³/s (1,582 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 05MJ003 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.