Water levels & flows

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Nearly all of the electricity we produce is clean, renewable power 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, July 24, 2024 at 1:00 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 188 616.9    188.3 617.7
Fidler Lake 229.5 752.9    229.8 754
Footprint Lake 243.2 798.1 243.1797.5Water level expected to fall. 243.4 798.4
Northern Indian Lake 234.8 770.4    235 771.1
Partridge Breast Lake 241.8 793.3    241.8 793.4
Southern Indian Lake 258.1 846.7 258.1846.7No significant change to water level expected. 258 846.4
Thompson Seaplane Base 187.3 614.6 187.1613.8Water level expected to fall. 187.6 615.4

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 207.5 680.7 207.5680.9Water level expected to rise. 207.3 680.1
Keeyask Forebay 158.6 520.5    158.8 520.8
Kelsey Forebay 184.3 604.7 184.3604.7No significant change to water level expected. 184.3 604.7
Lake Winnipeg 217.7 714.3 217.7714.3No significant change to water level expected. 217.6 714
Norway House 217.4 713.2 217.4713.3Water level expected to rise. 217.3 713
Playgreen Lake 217.4 713.3    217.4 713.1
Sipiwesk Lake 185.8 609.6 185.9609.8Water level expected to rise. 185.6 609
Split Lake 167.2 548.4 167.2548.5Water level expected to rise. 167.2 548.4
Stephens Lake 140.4 460.6    140.3 460.3

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 256.5 841.6 256.5841.5Water level expected to fall. 255.9 839.7
South Moose Lake 256.3 840.9 256.1840.3Water level expected to fall. 255.7 839

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 275.4 903.4 275.3903.3Water level expected to fall. 274.2 899.6
Margaret/Eleanor Lake 274.8 901.5 274.8901.4Water level expected to fall. 274.1 899.3
Nutimik Lake 275.9 905.1 275.8905Water level expected to fall. 274.2 899.7
Pine Falls (below Generating Station) 218.9 718.2    217.8 714.6
Pointe du Bois (below Generating Station) 285.6 937    284.8 934.4
Sylvia Lake 274.3 899.9 274.3899.8Water level expected to fall. 274 899

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 43 1,504    22 766
Grass River 93 3,293    96 3,382
Gunisao River 28 999    10 336
Jenpeg (outflow) 1,991 70,309    1,485 52,436
Kelsey (outflow) 2,207 77,941    2,064 72,903
Kettle (outflow) 3,421 120,812    2,970 104,881
Lake Winnipeg (outflow) 2,418 85,389    1,887 66,653
Missi Falls Control Structure 12 419 20700Water level expected to rise. 21 746
Notigi Control Structure 920 32,490    925 32,672
Odei River 38 1,341    68 2,403
Pine Falls (outflow) 2,040 72,040    591 20,858
Southern Indian Lake (inflow) 732 25,852    887 31,341

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.