lwcb.ca

September 5, 2024

Although the basin is received some rainfall yesterday and more is expected today, dry conditions are expected to return next week and inflow to the major lakes will continue to decline.

The current level of Lake of the Woods is 322.86 m (1059.3 ft), a 35^th percentile level, in the normal range for this time of year. The average lake level decreased by 6 cm (2 in) over the last week and is expected to decrease by 2 to 3 cm (0.5 -1 in), over the next week. Outflow reductions at Lake of the Woods will continue to slow the rate of level decline. Lake of the Woods authorized outflow will decrease to:

• 425 m³/s on Thursday, September 5^th
• 375 m³/s on Monday, September 9^th
• 350 m³/s on Thursday, September 12^th

The scheduled outflow reductions will cause levels along the Winnipeg River to decline as follows:

• Directly downstream of the Norman Dam: approximately 19 cm (7.5 in) September 5^th, 12 cm (5 in) September 9^th and 5 cm (2 in) September 12^th for a total drop of 36 cm (14 in) total drop by September 12^th
• Above the Dalles: approximately 10 cm (4 in) September 5^th, 6 cm (2 in) September 9^th and 3 cm (1 in) September 12^th for a total drop of 19 cm (7.5 in) total drop by September 12^th
• The water level at Minaki will not be affected by these flow changes.

The current level of Lac Seul is 356.34 m (1169.1 ft), a 30^th percentile level, within the normal range for this time of year. The average lake level declined by 4 cm (1.5 in) over the past week and is expected to decrease 1 to 2 cm (less than 0.5 in) over the next week. Lac Seul authorized outflow is 350 m³/s and will decrease to 300 m³/s Saturday September 7^th.

2024.08.29 Level Forecast and Lake of the Woods Outflow Reductions

• by Secretariat
• August 29, 2024

Although the basin is receiving some rainfall today, dry conditions are expected to return next week and inflow to the major lakes will continue to decline.

The current level of Lake of the Woods is 322.92 m (1059.5 ft), an 45^th percentile level, in the normal range for this time of year. The average lake level decreased by 8 cm (3 in) over the last week and is expected to decrease by 3 to 6 cm (1 to 2 in), over the next week. Outflow reductions at Lake of the Woods will continue to slow the rate of level decline. Lake of the Woods authorized outflow will decrease to:

• 575 m³/s on Friday, August 30^th
• 500 m³/s on Tuesday, September 3^rd
• 425 m³/s on Thursday, September 5^th

The scheduled outflow reductions will cause levels along the Winnipeg River to decline as follows:

• Directly downstream of the Norman Dam: approximately 19 cm (7.5 in) with each outflow reduction, 40 cm (16 in) total drop by September 5^th
• Above the Dalles: approximately 10 cm (4 in) with each outflow reduction, 21 cm (8.5 in) total drop by September 5^th
• The water level at Minaki will not be affected by these flow changes.

The current level of Lac Seul is 356.38 m (1169.2 ft), a 30^th percentile level, within the normal range for this time of year. The average lake level declined by 2.5 cm (1 in) over the past week and is expected to remain stable over the next week. Lac Seul authorized outflow is 350 m³/s with no changes scheduled.