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, May 11, 2026 at 11:00 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 187.9 616.5    188.3 617.8
Fidler Lake 229.2 752.1    229.4 752.7
Footprint Lake 242.1 794.4 242.5795.5Water level expected to rise. 242.9 796.9
Northern Indian Lake 234.5 769.3    234.7 770.1
Partridge Breast Lake 241.9 793.7    241.9 793.7
Southern Indian Lake 257.1 843.5 257.1843.7Water level expected to rise. 257.3 844
Thompson Seaplane Base 186.9 613.1 186.8612.9Water level expected to fall. 187 613.7

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.

Nelson River

Actual and forecasted water levels for Nelson River.
Name Current level7-day forecast This day last year
Cross Lake 207.1 679.4 207.1679.4No significant change to water level expected. 207 679
Keeyask Forebay 158.7 520.7    158.6 520.5
Kelsey Forebay 184.1 604.1 184.3604.8Water level expected to rise. 184.2 604.3
Lake Winnipeg ‡ 217.2 712.7 217.3712.9Water level expected to rise. 217.2 712.6
Norway House 217 711.8 217712.1Water level expected to rise. 217 711.9
Playgreen Lake 216.4 710    217 712.1
Sipiwesk Lake 185.4 608.1 185.4608.1No significant change to water level expected. 185 607
Split Lake 166.6 546.4 166.6546.6Water level expected to rise. 166.6 546.6
Stephens Lake 140.2 459.9    140.5 461.1

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 255.4 837.9 255.5838.2Water level expected to rise. 255.7 838.9
South Moose Lake 255.9 839.7 255.9839.7No significant change to water level expected. 256 839.9

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 274.5 900.6 274.6900.9Water level expected to rise. 274.7 901.4
Margaret/Eleanor Lake 274.3 900.1 274.4900.1No significant change to water level expected. 274.5 900.5
Nutimik Lake 274.6 901 274.7901.4Water level expected to rise. 274.9 902
Pine Falls (below Generating Station) 217.8 714.4    218 715.3
Pointe du Bois (below Generating Station) 284.9 934.6    285.1 935.4
Sylvia Lake 274.2 899.7 274.2899.7No significant change to water level expected. 274.3 900

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 13 463    104 3,665
Grass River 25 887    32 1,140
Gunisao River 33 1,152    34 1,199
Jenpeg (outflow) 1,408 49,707    1,278 45,141
Kelsey (outflow) 1,570 55,433    1,383 48,830
Kettle (outflow) 2,179 76,956    2,583 91,212
Lake Winnipeg (outflow) 1,625 57,381    1,544 54,509
Missi Falls Control Structure 49 1,737 21750Water level expected to fall. 46 1,617
Notigi Control Structure 678 23,945    783 27,660
Odei River 10 338    82 2,890
Pine Falls (outflow) 959 33,868    1,185 41,861
Southern Indian Lake (inflow) 517 18,254    1,109 39,167

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.