Superior Electric Beach/Outdoors Report. Here are the current conditions for the Lake Michigan shoreline and Mason County (including Pentwater) as of 11:30 a.m. today. Lake Michigan water temperatures: Ludington Stearns Park: 57 F Ludington State Park (Big Sable Point): 49 F Summit Park: 60 F Pentwater: 54 F Afternoon weather: Ludington: Cloudy with temperatures reaching 68 degrees F. Humidity: South-southwest at…