Superior Electric Beach/Outdoors Report. Here are the current conditions for the Lake Michigan shoreline and Mason County (including Pentwater) as of 10:30 a.m. today. Lake Michigan temperatures have dropped significantly since yesterday. Lake Michigan water temperatures: Ludington Stearns Park: 39 F Ludington State Park (Big Sable Point): 37 F Summit Park: 38 F Pentwater: 43 F Afternoon weather: Ludington: Chance…