The areas affected include... Nearshore and Open Waters from Grand Haven to Pentwater MI...
At 726 PM EDT, marine weather spotters reported a strong thunderstorm, producing winds to around 30 knots and small hail. This thunderstorm was located near Little Sable Point Light, moving southeast at 35 knots.
Locations impacted include... White Lake Pier Heads, Mona Lake Channel, Muskegon Light, and The White Lake Pierheads.