Superior Electric Beach/Outdoors Report. Here are the current conditions for the Lake Michigan shoreline and Mason County (including Pentwater) as of noon today. Lake Michigan water temperatures: (These temperatures are from Tuesday. Wednesday temperatures were not available as of posting). Ludington Stearns Park: 60 F Ludington State Park (Big Sable Point): 57 F Summit Park: 64 F Pentwater: 64 F…