Hot summer warming up Lake Michigan, experts say

The average surface water temperature was 75.3 degrees on July 9, setting a record for the month based on 26 years of record keeping, government scientists said.

The summer high is 75.6 degrees recorded in August 2016, according to the National Oceanic and Atmospheric Administration or NOAA.

That mark likely will be broken this year, said scientist Andrea Vanderwoude of NOAA`s Great Lakes Environmental Research Lab...