Nivelmap
EN

Assiniboine River near Portage La Prairie water level

River gauge, Assiniboine River, Manitoba, Canada

Directions

Right now

Normal for mid-October

Surface elevation

255.17m Down 0.03 m over the last 24 hours

Flow
97.7 m³/s
255 256

History

History
255256mOct 13Oct 15Oct 17Oct 18Oct 20255256mOct 13Oct 17Oct 20
255256mSep 20Sep 28Oct 5Oct 13Oct 20255256mSep 20Oct 5Oct 20
254256mOct 2025Jan 2026Apr 2026Jul 2026Oct 2026254256mOct 2025Apr 2026Oct 2026
254256mJanMarMayJulSepNov2026254256mJanAprJulOct2026

20252026

Surface elevation Normal range (10–90 %)

What this means

The gauge at Assiniboine River near Portage La Prairie reads 255.17 m, a normal level for mid-October.

The median for mid-October is 254.55 m, based on 19 years of readings, so the water level is 0.63 m above typical. On the same day last year the reading was 254.55 m, a difference of +0.63 m.

The level is falling, down 0.03 m over the past 24 hours. Over the past 30 days it has moved between 255.15 m and 255.90 m.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 19 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
254.55 m0.63 m above the median for this date
Normal for this date
254.24 m – 255.95 m8 years in 10 fall in this range (19 years of records)
Same day last year
254.55 m+0.63 m
Lowest and highest in 30 days
255.15 m – 255.90 m
Lowest and highest in 12 months
254.55 m – 255.77 m

Conditions at Assiniboine River near Portage La Prairie

Paddlers should check the trend as well as the level; summer storms can raise rivers quickly.

Flood advisories come from the provincial river forecast centre.

About the Assiniboine River

Assiniboine River

The Assiniboine River is a 1,070-kilometre (660 mi) long river that runs through the prairies of Western Canada in Saskatchewan and Manitoba. It is a tributary of the Red River. The Assiniboine is a typical meandering river with a single main channel embanked within a flat, shallow valley in some places and a steep valley in others. Its main tributaries are the Qu'Appelle, Souris, Shell River and Whitesand Rivers.

Read more on Wikipedia

Text and image from Wikipedia and Wikimedia Commons, licensed under CC BY-SA.

Weather at the gauge

No rain in the last 3 days.

20 Tue 17° 3° – Wind 16 km/h
21 Wed 13° 2° – Wind 17 km/h
22 Thu 22° 6° – Wind 22 km/h
23 Fri 23° 13° 1.6 mm, 55% Wind 32 km/h
24 Sat 18° 6° – Wind 45 km/h
25 Sun 6° 0° – Wind 47 km/h
26 Mon 1° -4° – Wind 20 km/h

Forecast: Open-Meteo

Sunrise 08:03 AM Sunset 06:34 PM Daylight 10 hr, 30 min Waxing gibbous 69%

Map

Other gauges on the Assiniboine River

Gauge Level Compared with normal 24 hours Distance
Assiniboine River at Baie St. PaulRiver gauge, Assiniboine River 240.14 m High ±0 38 km
Assiniboine River near HollandRiver gauge, Assiniboine River 293.76 m High ±0 52 km
Assiniboine River at HeadingleyRiver gauge, Assiniboine River 231.80 m High −0.01 m 63 km
Assiniboine River at BrandonRiver gauge, Assiniboine River 356.65 m Normal +0.01 m 121 km

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Portage Reservoir near Portage La PrairieReservoir, Portage Reservoir 262.32 m High ±0 4.6 km
Rat Creek near MacdonaldRiver gauge, Rat Creek 7.16 m High −0.05 m 15 km
Elm Creek Channel near Elm CreekRiver gauge, Elm Creek Channel 99.92 m Very high +0.01 m 25 km
Whitemud River at WestbourneRiver gauge, Whitemud River 0.52 m High −0.01 m 31 km
La Salle River near ElieRiver gauge, La Salle River 237.45 m Very low −0.01 m 37 km
Lake Manitoba near WestbourneLake, Lake Manitoba 247.58 m High −0.04 m 41 km
Boyne River near RoseisleRiver gauge, Boyne River 0.94 m High ±0 45 km
Stephenfield Lake near StephenfieldLake, Stephenfield Lake 295.99 m Normal +0.01 m 45 km

Questions and answers

Is the Assiniboine River near Portage La Prairie higher than last year?

Yes, it is 0.63 m higher than on the same day last year, when the reading was 254.55 m.

What is a normal level for the Assiniboine River near Portage La Prairie in mid-October?

The median for mid-October is 254.55 m. In 8 years out of 10 the reading falls between 254.24 m and 255.95 m, based on 19 years of records.

Is Assiniboine River near Portage La Prairie really 255.17 m deep?

No. 255.17 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 Assiniboine River near Portage La Prairie today?

On Oct 20, 2026, 09:20 AM CDT, the surface elevation was 255.17 m. Down 0.03 m over the last 24 hours.

Is Assiniboine River near Portage La Prairie rising or falling?

Down 0.03 m over the last 24 hours. Down 0.05 m over the last 7 days.

Is the level of Assiniboine River near Portage La Prairie normal?

Normal for mid-October. Compared with 19 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:05MJ003 (Agency page)
Coordinates
49.93778, -98.27372 (WGS84)
Vertical datum
GEODETIC SURVEY OF CANADA DATUM (LOCAL 1929 ADJ.)
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 255.17 m 2026-10-20 14:20 Provisional
Flow 97.7 m³/s 2026-10-20 14:20 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: Assiniboine River near Portage La Prairie (eccc:05MJ003). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/canada/manitoba/assiniboine-river-near-portage-la-prairie

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.