Pipe Island Passage in St. Mary's River to close this week

Pipe Island Passage in St. Mary's River to close this week

The U.S. Coast Guard will close Pipe Island passage this week in St. Mary’s River, east of Pipe Island Shoal and north of Pipe Island Twins, from Watson Reef Light to Sweets Point.

Coast Guard closes Pipe Island Passage in St. Marys River

SAULT STE. MARIE, Mich. — In accordance with 33 CFR 162.117, Vessel Traffic Service St. Marys River is scheduled to close the Pipe Island Passage, east of Pipe Island Shoal and north of Pipe Island Twins from Watson Reef Light to Sweets Point, on Jan. 22, 2026 at 10 a.m.