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 Friday, June 27, 2025 at 4:01 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 187.6 615.5    188.7 619
Fidler Lake 228.9 751.1    230.5 756.2
Footprint Lake 241.4 791.9 241.2791.4Water level expected to fall. 241.9 793.8
Northern Indian Lake 234.5 769.4    235.3 771.9
Partridge Breast Lake 241.8 793.3    241.8 793.4
Southern Indian Lake 257.6 845.1 257.7845.6Water level expected to rise. 258.1 846.9
Thompson Seaplane Base 185.9 609.7 185.6608.8Water level expected to fall. 186 610.3

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.

Nelson River

Actual and forecasted water levels for Nelson River.
Name Current level7-day forecast This day last year
Cross Lake 206.6 677.8 206.7678.2Water level expected to rise. 207.4 680.5
Keeyask Forebay 158.8 521.1    158.7 520.7
Kelsey Forebay 184.3 604.8 184.3604.8No significant change to water level expected. 184.3 604.7
Lake Winnipeg ‡ 217.3 713 217.3712.9Water level expected to fall. 217.5 713.6
Norway House 217.2 712.6 217.1712.4Water level expected to fall. 217.2 712.6
Playgreen Lake 217.3 712.8    217.1 712.4
Sipiwesk Lake 185 607 185606.8Water level expected to fall. 185.7 609.2
Split Lake 166.1 545 165.8543.8Water level expected to fall. 166.9 547.5
Stephens Lake 140 459.3    139 456

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 255.9 839.6 255.9839.7Water level expected to rise. 256.5 841.6
South Moose Lake 256 839.7 255.9839.6Water level expected to fall. 256.2 840.7

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 274.4 900.2 274.3900Water level expected to fall. 275.2 902.8
Margaret/Eleanor Lake 274.3 899.8 274.2899.7Water level expected to fall. 274.8 901.5
Nutimik Lake 274.5 900.4 274.4900.2Water level expected to fall. 275.6 904.1
Pine Falls (below Generating Station) 217.6 714    218.6 717.3
Pointe du Bois (below Generating Station) 284.8 934.4    285.4 936.3
Sylvia Lake 274.2 899.6 274.2899.5Water level expected to fall. 274.4 900.4

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.

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 27 954    87 3,074
Grass River 45 1,580    88 3,118
Gunisao River 16 567    42 1,476
Jenpeg (outflow) 848 29,948    1,829 64,597
Kelsey (outflow) 1,231 43,464    2,110 74,499
Kettle (outflow) 1,375 48,550    2,745 96,922
Lake Winnipeg (outflow) 1,198 42,303    2,178 76,906
Missi Falls Control Structure 21 732 20700Water level expected to fall. 19 671
Notigi Control Structure 425 15,011    772 27,254
Odei River 19 680    91 3,217
Pine Falls (outflow) 763 26,956    1,676 59,196
Southern Indian Lake (inflow) 583 20,581    896 31,653

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.