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 Wednesday, September 2, 2026 at 4:15 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 188.2 617.3    187.7 615.9
Fidler Lake 229.5 752.9    229 751.4
Footprint Lake 243.3 798.2 243.2797.8Water level expected to fall. 240.9 790.2
Northern Indian Lake 234.8 770.3    234.6 769.6
Partridge Breast Lake 241.8 793.4    241.8 793.3
Southern Indian Lake 258.1 846.9 258.1846.8Water level expected to fall. 257.8 845.8
Thompson Seaplane Base 187.4 614.9 187.2614.1Water level expected to fall. 185.1 607.2

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.

Nelson River

Actual and forecasted water levels for Nelson River.
Name Current level7-day forecast This day last year
Cross Lake 207.3 680.2 207.1679.4Water level expected to fall. 206.6 677.7
Keeyask Forebay 158.9 521.3    158.8 520.9
Kelsey Forebay 184.3 604.8 184.3604.8No significant change to water level expected. 184.3 604.7
Lake Winnipeg ‡ 217.7 714.3 217.6714.1Water level expected to fall. 217.3 712.9
Norway House 217.4 713.4 217.4713.4No significant change to water level expected. 217.2 712.5
Playgreen Lake 217.5 713.7    217.2 712.5
Sipiwesk Lake 186 610.2 185.5608.7Water level expected to fall. 184.9 606.7
Split Lake 167.5 549.5 167.1548.2Water level expected to fall. 165.8 544
Stephens Lake 140.8 461.9    140.6 461.3

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 256.4 841.3 256.5841.4Water level expected to rise. 256.2 840.5
South Moose Lake 256.4 841.3 256.4841.3No significant change to water level expected. 256 839.7

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.

Winnipeg River

Actual and forecasted water levels for Winnipeg River.
Name Current level7-day forecast This day last year
Dorothy Lake 274.2 899.5 274.1899.3Water level expected to fall. 274.3 899.8
Margaret/Eleanor Lake 274.1 899.3 274899.1Water level expected to fall. 274.2 899.6
Nutimik Lake 274.2 899.5 274.1899.4Water level expected to fall. 274.2 899.8
Pine Falls (below Generating Station) 217.8 714.7    217.3 713
Pointe du Bois (below Generating Station) 284.7 934    284.7 934
Sylvia Lake 274.1 899.2 274899Water 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 19 682    10 351
Grass River 119 4,213    34 1,199
Gunisao River 19 680    5 180
Jenpeg (outflow) 1,173 41,438    857 30,266
Kelsey (outflow) 2,452 86,581    1,055 37,253
Kettle (outflow) 4,338 153,197    1,446 51,061
Lake Winnipeg (outflow) 1,625 57,387    1,192 42,108
Missi Falls Control Structure 24 856 21750Water level expected to fall. 21 735
Notigi Control Structure 925 32,678    433 15,294
Odei River 35 1,249    17 611
Pine Falls (outflow) 381 13,447    456 16,116
Southern Indian Lake (inflow) 896 31,638    558 19,692

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.

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Notifications and forecasts

Read all archived notifications and forecasts.

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Further reading

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