Navigation Notice: Great Lakes River Basin

Notice Number: 202431-2/ L23-07-01 Date: 04/12/2023 10:00 thru UNTIL FURTHER NOTICE 1. Notice Number 202431 for Poe Lock closure on April 17, 18, 19, has been rescinded. The lock closure has been delayed until further notice. 2. Questions regarding this notice may be directed to the Soo Operations Manager, LeighAnn Ryckeghem at 906-635-3464. Our internet…

Notice Number: 202494/L23-09 Date: 04/11/2023 13:00 thru UNTIL FURTHER NOTICE 1. Recent project condition surveys at Holland Harbor, MI, indicate shoaling in the navigation channel. 2. Shoaling is present at the entrance of the channel throughout project stationing -12+00 to -8+50 with depths ranging from 0 to 9.9 feet above project depth. Project depth for…

Notice Number: 202460/L23-08 Date: 04/05/2023 00:01 thru 01/15/2024 23:59 1. A turbidity curtain is installed at the Soo Locks in the North Canal, East Approach. The approximate location is shown on the attached chartlet. Mariners operating in this area shall proceed with caution. 2. This notice will remain in effect through January 15, 2024. 3.…

Notice Number: 202334/L23-03 Date: 03/25/2023 00:01 thru 01/15/2024 23:59 1. Ongoing construction activities are occurring at the St. Marys Falls North Canal, necessitating closure of the East approach. This area is closed to all vessel traffic except at the specific direction of the Chief Lockmaster. This area is identified with hatching on the attached chartlet.…

Notice Number: 202275/L23-01 Date: 03/25/2023 00:01 thru 04/24/2023 00:01 1. The Poe Lock will open to all vessel traffic on 25 March 2023 at 0001hrs for the shipping season. 2. The MacArthur Lock is scheduled to open 24 April 2023 3. Questions regarding this notice may be directed to the Soo Operations Manager, LeighAnn Ryckeghem…