Water levels & flows

More in this section

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, November 14, 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 188.2 617.3    188.1 617
Fidler Lake 229.6 753.3    229.6 753.1
Footprint Lake 241 790.6 241.1791.1Water level expected to rise. 240.8 790.1
Northern Indian Lake 234.9 770.6    234.9 770.7
Partridge Breast Lake 242.2 794.7    242.2 794.6
Southern Indian Lake 258 846.3 257.9846.3No significant change to water level expected. 258.1 846.8
Thompson Seaplane Base 185.4 608.2 185.5608.7Water level expected to rise. 185.1 607.3

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 207 679.3 207.2679.9Water 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. 184.3 604.6
Lake Winnipeg ‡ 217.2 712.5 217.1712.4Water level expected to fall. 217.3 713
Norway House 216.8 711.1 216.7711Water level expected to fall. 217.2 712.6
Playgreen Lake 216.6 710.5    217.2 712.7
Sipiwesk Lake 185.1 607.2 185.3608Water level expected to rise. 185.9 610
Split Lake 166.1 544.9 166.2545.2Water level expected to rise. 167 547.8
Stephens Lake 140.3 460.2    140.8 462.1

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 256.4 841.2 256.4841.4Water level expected to rise. 256.3 840.9
South Moose Lake 256.2 840.5 256.1840.4Water level expected to fall. 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 274.2 899.7 274.2899.7No significant change to water level expected. 274.3 899.9
Margaret/Eleanor Lake 274.2 899.5 274.1899.4Water level expected to fall. 274.2 899.6
Nutimik Lake 274.2 899.7 274.2899.7No significant change to water level expected. 274.3 899.9
Pine Falls (below Generating Station) 217.3 713.1    217.3 713
Pointe du Bois (below Generating Station) 284.7 933.9    284.7 934.2
Sylvia Lake 274.1 899.4 274.1899.3Water level expected to fall. 274.1 899.4

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 17 584    9 324
Grass River 31 1,106    38 1,340
Gunisao River 8 282    10 347
Jenpeg (outflow) 1,698 59,950    1,917 67,688
Kelsey (outflow) 1,270 44,860    2,456 86,722
Kettle (outflow) 1,985 70,087    3,075 108,595
Lake Winnipeg (outflow) 1,887 66,632    2,262 79,882
Missi Falls Control Structure 121 4,290 1204,250Water level expected to fall. 120 4,224
Notigi Control Structure 438 15,461    427 15,066
Odei River 41 1,440    24 863
Pine Falls (outflow) 415 14,643    516 18,231
Southern Indian Lake (inflow) 561 19,802    445 15,724

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.