The National Weather Service and Coast Guard wants to remind you that the Lake Michigan water temperature remains dangerously cold this weekend. The public should exercise caution around Lake Michigan.
Lake Michigan water temperatures remain in the lower 40s as depicted by the below graphic:
The below graphic shows how the Lake Michigan temperature this year is several degrees below the long term average for this time of year:
At Lake Michigan temperatures this cold, hypothermia can develop within 30 minutes.
National Weather Service - Milwaukee/Sullivan