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 Wednesday, May 20, 2026 at 11:15 AM.

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 188.1 617.1    188.3 617.9
Fidler Lake 229.4 752.5    229.7 753.7
Footprint Lake 242.9 796.9 242.8796.7Water level expected to fall. 243 797.3
Northern Indian Lake 234.6 769.7    235 770.9
Partridge Breast Lake 241.9 793.7    241.8 793.4
Southern Indian Lake 257.2 843.8 257.3844.1Water level expected to rise. 257.4 844.4
Thompson Seaplane Base 187.4 615 187.3614.4Water level expected to fall. 187.3 614.4

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 207.1 679.5 207.1679.5No significant change to water level expected. 206.8 678.6
Keeyask Forebay 158.7 520.5    158.7 520.7
Kelsey Forebay 184.4 604.9 184.3604.8Water level expected to fall. 184.4 604.9
Lake Winnipeg ‡ 217.3 712.9 217.3713Water level expected to rise. 217.3 712.8
Norway House 217.1 712.3 217.1712.2Water level expected to fall. 216.9 711.6
Playgreen Lake 217 711.8    216.8 711.3
Sipiwesk Lake 185.7 609.2 185.5608.5Water level expected to fall. 185.2 607.8
Split Lake 167 547.9 167547.8Water level expected to fall. 166.6 546.6
Stephens Lake 140.1 459.5    139.7 458.2

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 255.8 839.3 256.1840.1Water level expected to rise. 255.7 839.1
South Moose Lake 256 839.9 255.9839.7Water level expected to fall. 256 839.9

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 274.7 901.2 274.6900.9Water level expected to fall. 274.8 901.6
Margaret/Eleanor Lake 274.4 900.4 274.3900Water level expected to fall. 274.5 900.6
Nutimik Lake 274.9 901.8 274.8901.4Water level expected to fall. 275.1 902.4
Pine Falls (below Generating Station) 218.1 715.7    218.1 715.6
Pointe du Bois (below Generating Station) 285 935.1    285 934.9
Sylvia Lake 274.3 899.9 274.2899.5Water level expected to fall. 274.3 899.9

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 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 190 6,721    73 2,581
Grass River 43 1,526    34 1,213
Gunisao River 50 1,764    36 1,272
Jenpeg (outflow) 1,352 47,753    1,212 42,813
Kelsey (outflow) 2,082 73,508    1,534 54,177
Kettle (outflow) 2,756 97,338    1,867 65,919
Lake Winnipeg (outflow) 1,615 57,035    1,449 51,156
Missi Falls Control Structure 49 1,733 511,800Water level expected to rise. 21 733
Notigi Control Structure 697 24,614    846 29,875
Odei River 151 5,338    83 2,923
Pine Falls (outflow) 1,295 45,736    1,242 43,878
Southern Indian Lake (inflow) 868 30,658    981 34,629

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.