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 Monday, September 8, 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 187.6 615.6    187.6 615.4
Fidler Lake 228.9 751.1    228.9 750.9
Footprint Lake 240.8 790.1 240.9790.2Water level expected to rise. 241.6 792.6
Northern Indian Lake 234.5 769.3    234.5 769.2
Partridge Breast Lake 241.8 793.3    241.8 793.3
Southern Indian Lake 257.8 845.8 257.9846.1Water level expected to rise. 258 846.6
Thompson Seaplane Base 185.2 607.6 185.1607.2Water level expected to fall. 186.1 610.5

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.

Nelson River

Actual and forecasted water levels for Nelson River.
Name Current level7-day forecast This day last year
Cross Lake 206.5 677.5 206.6678Water level expected to rise. 207.5 680.7
Keeyask Forebay 158.7 520.6    158.7 520.8
Kelsey Forebay 184.4 604.9 184.3604.8Water level expected to fall. 184.3 604.7
Lake Winnipeg ‡ 217.2 712.8 217.2712.7Water level expected to fall. 217.7 714.3
Norway House 217 711.8 217.1712.2Water level expected to rise. 217.5 713.7
Playgreen Lake 216.9 711.5    217.5 713.7
Sipiwesk Lake 184.9 606.8 184.9606.7Water level expected to fall. 185.9 609.8
Split Lake 165.8 543.8 165.7543.6Water level expected to fall. 167 547.9
Stephens Lake 140.7 461.8    140.6 461.1

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 256.2 840.6 256.2840.7Water level expected to rise. 256.4 841.2
South Moose Lake 256 839.8 256839.8No significant change to water level expected. 256.3 840.8

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 274.2 899.6 274.2899.8Water level expected to rise. 274.6 900.9
Margaret/Eleanor Lake 274.1 899.4 274.2899.6Water level expected to rise. 274.4 900.1
Nutimik Lake 274.2 899.5 274.2899.7Water level expected to rise. 274.7 901.4
Pine Falls (below Generating Station) 217.3 713.1    218 715.3
Pointe du Bois (below Generating Station) 284.6 933.7    285 934.9
Sylvia Lake 274.1 899.3 274.2899.5Water level expected to rise. 274.2 899.6

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.

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 9 311    14 481
Grass River 35 1,235    66 2,344
Gunisao River 4 150    15 537
Jenpeg (outflow) 848 29,944    2,054 72,532
Kelsey (outflow) 1,034 36,523    2,341 82,683
Kettle (outflow) 1,284 45,327    2,835 100,106
Lake Winnipeg (outflow) 1,108 39,120    2,546 89,920
Missi Falls Control Structure 21 725 20720Water level expected to fall. 21 736
Notigi Control Structure 424 14,969    423 14,927
Odei River 23 802    18 645
Pine Falls (outflow) 349 12,327    1,050 37,096
Southern Indian Lake (inflow) 450 15,889    576 20,325

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.