Ice coated a pier in St Joseph, Michigan, on Friday, December 6, amid arctic conditions in the region, including frigid air, precipitation, and gusty winds.Nathan Voytovick, of Nate’s Dronography, captured this footage showing waves slamming into the St Joseph North Pierhead Outer Lighthouse on the shores of Lake Michigan on Friday morning.“The lighthouse is frozen over! There are 20 foot waves and subzero windchills, which cause the wave spray to freeze over the lighthouse,” he told Storyful.Milder conditions were forecast for the area on Saturday, the National Weather Service said. Credit: Nate’s Dronography via Storyful