Soo Locks Opening Day 2024. Marie will open early for the start of the 2024 great lakes shipping season. On march 22, marking the start of the 2024 great lakes shipping.
The soo locks is set to open tonight, kicking off the 2024 shipping season on the upper great lakes. Since 1975, the soo locks have been hosting engineers day, traditionally held the last friday in june to honor the u.s.