
Superior Electric Beach/Outdoors Report. Lake Michigan surface water temperatures have finally reached 70 degrees. Here are the current conditions for the Lake Michigan shoreline and Mason County (including Pentwater) as of 10:30 a.m. today. Lake Michigan water temperatures: Ludington Stearns Park: 71 F Ludington State Park (Big Sable Point): 71 F Summit Park: 70 Pentwater: 72 F Afternoon air temperatures:…