Sault Ste. Marie Canal Sault Ste. Marie Canal The Sault Ste. Marie Canal is a National Historic Site in Sault Ste. Marie, Ontario, and is part of the national park system, managed by Parks Canada. It includes a lock to bypass the rapids on the St. Marys River. The first canal on the site opened in 1798, but was destroyed in 1814 during the War of 1812. The latest canal dates to 1895, and formed part of the shipping route from the Atlantic Ocean to Lake Superior, along with the two locks on the US side of the river. One of the walls of
Sault Ste. Marie, Michigan are cooler than nearby land areas. This tends to stabilize the atmosphere, suppressing precipitation (especially showers and thunderstorms) somewhat, in May, June and July. In autumn, the lakes are releasing their stored heat from the summer, making them warmer than the surrounding land, and increasingly frequent and strong polar and Arctic air outbreaks pick up warmth and moisture during their over-water passage, resulting in clouds and instability showers. In Sault Ste. Marie, this phenomenon peaks in September and October, making these the wettest months of the year. Also noteworthy is that in Sault Ste. Marie, the year's third wettest month,