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, July 12, 2025 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 187.5 615.1    188.3 617.8
Fidler Lake 228.8 750.7    229.9 754.2
Footprint Lake 241 790.8 241790.6Water level expected to fall. 243.1 797.6
Northern Indian Lake 234.4 769.1    235 771.1
Partridge Breast Lake 241.8 793.3    242 794.1
Southern Indian Lake 257.7 845.4 257.8845.8Water level expected to rise. 258.1 846.8
Thompson Seaplane Base 185.4 608.3 185.2607.5Water level expected to fall. 187 613.7

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.

Nelson River

Actual and forecasted water levels for Nelson River.
Name Current level7-day forecast This day last year
Cross Lake 206.6 677.9 206.6677.8Water level expected to fall. 207.4 680.4
Keeyask Forebay 158.6 520.4    158.7 520.6
Kelsey Forebay 184.3 604.7 184.3604.8Water level expected to rise. 184.3 604.6
Lake Winnipeg ‡ 217.3 713 217.3713No significant change to water level expected. 217.7 714.1
Norway House 217.2 712.6 217.2712.6No significant change to water level expected. 217.5 713.4
Playgreen Lake 217.2 712.6    217.4 713.4
Sipiwesk Lake 184.9 606.8 184.8606.4Water level expected to fall. 185.7 609.3
Split Lake 165.9 544.3 165.6543.4Water level expected to fall. 167.1 548.2
Stephens Lake 139.8 458.8    140.4 460.6

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.

‡ 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 256 839.9 256839.8Water level expected to fall. 256.6 841.7
South Moose Lake 255.9 839.7 255.9839.7No significant change to water level expected. 256.3 840.9

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 274.2 899.7 274.2899.8Water level expected to rise. 275.6 904
Margaret/Eleanor Lake 274.2 899.5 274.2899.6Water level expected to rise. 275.1 902.4
Nutimik Lake 274.2 899.7 274.3899.8Water level expected to rise. 276 905.6
Pine Falls (below Generating Station) 217.6 714    218.9 718.2
Pointe du Bois (below Generating Station) 284.8 934.2    285.7 937.2
Sylvia Lake 274.1 899.4 274.2899.5Water level expected to rise. 274.6 901

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 24 836    65 2,305
Grass River 46 1,612    92 3,244
Gunisao River 13 452    49 1,736
Jenpeg (outflow) 854 30,145    1,840 64,982
Kelsey (outflow) 1,100 38,862    2,207 77,956
Kettle (outflow) 1,594 56,279    2,973 104,984
Lake Winnipeg (outflow) 1,200 42,383    2,292 80,954
Missi Falls Control Structure 21 728 21730Water level expected to rise. 71 2,492
Notigi Control Structure 428 15,100    985 34,775
Odei River 14 504    39 1,361
Pine Falls (outflow) 519 18,326    2,054 72,539
Southern Indian Lake (inflow) 599 21,144    899 31,734

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.