Water levels & flows

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 Tuesday, July 28, 2026 at 9:15 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 188.5 618.5    187.4 614.7
Fidler Lake 230.2 755.4    228.7 750.2
Footprint Lake 243.5 798.9 243.5798.8Water level expected to fall. 240.9 790.4
Northern Indian Lake 234.9 770.7    234.3 768.7
Partridge Breast Lake 242.3 795    241.8 793.3
Southern Indian Lake 258.2 847.1 258.2847.2Water level expected to rise. 257.7 845.4
Thompson Seaplane Base 187.7 615.9 187.4614.7Water level expected to fall. 185.2 607.6

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 208.4 683.7 208.5684Water level expected to rise. 206.6 677.8
Keeyask Forebay 158.9 521.3    158.6 520.3
Kelsey Forebay 184.3 604.8 184.3604.8No significant change to water level expected. 184.3 604.8
Lake Winnipeg ‡ 217.9 714.9 217.9714.9No significant change to water level expected. 217.3 713
Norway House 217.4 713.3 217.5713.5Water level expected to rise. 217.2 712.6
Playgreen Lake 216.8 711.4    217.2 712.6
Sipiwesk Lake 187 613.6 187.5615.2Water level expected to rise. 184.9 606.8
Split Lake 168.1 551.4 168.2551.9Water level expected to rise. 165.8 544
Stephens Lake 139.5 457.8    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 256.5 841.7 256.6841.9Water level expected to rise. 256 839.9
South Moose Lake 256.4 841.2 256.4841.2No significant change to water level expected. 255.9 839.5

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 274.3 900 274.2899.7Water level expected to fall. 274.3 899.8
Margaret/Eleanor Lake 274.2 899.6 274.1899.4Water level expected to fall. 274.2 899.6
Nutimik Lake 274.4 900.3 274.3899.8Water level expected to fall. 274.3 899.8
Pine Falls (below Generating Station) 218.1 715.5    217.5 713.6
Pointe du Bois (below Generating Station) 284.8 934.4    284.7 934.1
Sylvia Lake 274.1 899.3 274.1899.2Water level expected to fall. 274.2 899.5

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 46 1,627    16 568
Grass River 147 5,199    44 1,552
Gunisao River 46 1,619    8 267
Jenpeg (outflow) 3,624 127,963    851 30,062
Kelsey (outflow) 3,478 122,814    1,076 37,991
Kettle (outflow) 4,550 160,685    1,712 60,446
Lake Winnipeg (outflow) 4,062 143,464    1,203 42,495
Missi Falls Control Structure 141 4,993 1425,001Water level expected to rise. 21 730
Notigi Control Structure 986 34,831    429 15,159
Odei River 83 2,914    9 303
Pine Falls (outflow) 719 25,388    484 17,092
Southern Indian Lake (inflow) 1,120 39,539    487 17,212

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.

Back to top

Notifications and forecasts

Read all archived notifications and forecasts.

Back to top

Further reading

Back to top