Water levels & flows

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Nearly all of the electricity we produce is generated at 16 hydroelectric generating stations around the province of Manitoba. As part of our water management, water level and flow measurements are taken throughout waterways contributing to the hydroelectric system. These level readings are from hydrometric gauging stations managed by Manitoba Hydro and Water Survey of Canada.

The 7-day forecasts are estimates and subject to change. 7-day forecasts at specific sites are not posted as they are either weather dependent or unavailable. Northern forecasts are broadcast on local radio stations at the beginning of every month.

This information shows the average water levels and flows each day. It’s measured automatically and may be adjusted to be more accurate after it has been reviewed. It was last updated on Saturday, April 18, 2026 at 4:00 PM.

Churchill River and Churchill River Diversion

Actual and forecasted water levels for Churchill River and Churchill River Diversion.
Name Current level7-day forecast This day last year
Billard Lake 187.9 616.3    187.8 616.3
Fidler Lake 229.3 752.2    229.2 752
Footprint Lake 242 793.9 242793.8Water level expected to fall. 242.4 795.3
Northern Indian Lake 234.5 769.3    234.5 769.3
Partridge Breast Lake 241.9 793.7    241.9 793.7
Southern Indian Lake 257.2 843.8 257.1843.6Water level expected to fall. 257.3 844.1
Thompson Seaplane Base 186.7 612.5 186.6612.1Water level expected to fall. 187 613.6

Water forecast for the next 7 days:
level expected to rise expected to rise.
level expected to fall expected to fall.
level expected to remain constant expected to remain constant.

Nelson River

Actual and forecasted water levels for Nelson River.
Name Current level7-day forecast This day last year
Cross Lake 207.1 679.5 207.1679.6Water level expected to rise. 207.1 679.6
Keeyask Forebay 158.5 520    158.7 520.7
Kelsey Forebay 183.6 602.5 183.7602.8Water level expected to rise. 183.2 601.1
Lake Winnipeg ‡ 217.1 712.4 217.1712.4No significant change to water level expected. 217.1 712.4
Norway House 216.7 711 216.8711.3Water level expected to rise. 216.8 711.4
Playgreen Lake 215.7 707.7    216.3 709.7
Sipiwesk Lake 185 607 185606.8Water level expected to fall. 184.9 606.6
Split Lake 166.6 546.7 166.7546.9Water level expected to rise. 166.8 547.2
Stephens Lake 140 459.4    140.1 459.7

Water forecast for the next 7 days:
level expected to rise expected to rise.
level expected to fall expected to fall.
level expected to remain constant expected to remain constant.

‡ Weather conditions, such as wind and barometric pressure, can cause levels to be different from location to location on Lake Winnipeg.

Saskatchewan River

Actual and forecasted water levels for Saskatchewan River.
Name Current level7-day forecast This day last year
Cedar Lake 254.9 836.4 254.9836.2Water level expected to fall. 255.2 837.3
South Moose Lake 255.9 839.7 256839.7No significant change to water level expected. 256 840

Water forecast for the next 7 days:
level expected to rise expected to rise.
level expected to fall expected to fall.
level expected to remain constant expected to remain constant.

Winnipeg River

Actual and forecasted water levels for Winnipeg River.
Name Current level7-day forecast This day last year
Dorothy Lake 274.4 900.2    274.4 900.3
Margaret/Eleanor Lake 274.3 899.8    274.3 899.9
Nutimik Lake 274.4 900.3    274.5 900.6
Pine Falls (below Generating Station) 217.6 713.8    217.6 713.8
Pointe du Bois (below Generating Station) 284.7 934.1    284.8 934.4
Sylvia Lake 274.2 899.6    274.2 899.6

Water forecast for the next 7 days:
level expected to rise expected to rise.
level expected to fall expected to fall.
level expected to remain constant expected to remain constant.

Winnipeg River 7-day forecasts are published during the open-water season only.

Water flows

Actual and forecasted water flows.
Name Current flow7-day forecast This day last year
Burntwood River at Leaf Rapids 6 194    7 251
Grass River 25 868    25 890
Gunisao River 4 126    8 299
Jenpeg (outflow) 1,570 55,429    1,567 55,354
Kelsey (outflow) 1,594 56,287    1,764 62,295
Kettle (outflow) 1,849 65,294    2,193 77,452
Lake Winnipeg (outflow) 1,720 60,726    1,764 62,286
Missi Falls Control Structure 50 1,771 511,800Water level expected to rise. 47 1,669
Notigi Control Structure 621 21,947    715 25,253
Odei River 6 209    7 240
Pine Falls (outflow) 654 23,112    769 27,142
Southern Indian Lake (inflow) 454 16,045    542 19,134

Water forecast for the next 7 days:
level expected to rise expected to rise.
level expected to fall expected to fall.
level expected to remain constant expected to remain constant.

Notifications and forecasts

Read all archived notifications and forecasts.