BATH WATER ๐ "Great Lakes water temperatures warming off the charts; Some spots over 80 degrees - Lake Michigan now averages 74 degrees on the surface, which is 11 degrees warmer than the historical average water temperature on this date."
https://www.mlive.com/weather/2020/07/great-lakes-water-temperatures-warming-off-the-charts-some-spots-over-80-degrees.html?utm_campaign=grandrapidspress_sf&utm_medium=social&utm_source=twitter