Superior Electric Beach/Outdoors Report. Here are the current conditions for the Lake Michigan shoreline and Mason County (including Pentwater) as of 11 a.m. Lake Michigan water temperatures: Ludington Stearns Park: 45 F Ludington State Park (Big Sable Point): 44 F Summit Park: 47 F Pentwater: 45 F Afternoon air temperatures: Ludington: Sunny, 62 degrees F, precipitation 0%, humidity 44%, wind…