SMWGRR The National Weather Service in Grand Rapids has issued a * Special Marine Warning for. Nearshore and Open Waters from St Joseph to Pentwater MI. * Until 115 PM EDT. * At 1115 AM EDT, strong thunderstorms were located along a line extending from 22 nm northeast of Wind Pt. to 17 nm west of South Haven Light to 37 nm southeast of St. Joseph, moving northeast at 45 knots. HAZARD. Wind gusts to 40 knots. SOURCE. Marine observation at St. Joseph reported a wind gust to 40 knots. IMPACT. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include. South Haven Light, Saugatuck Pier Heads, St. Joseph Light, White Lake Pier Heads, Mona Lake Channel, The White Lake Pierheads, Little Sable Point Light, Grand Haven Light, Muskegon Light, and St. Joseph.