National Weather Service officials say water temperatures this week range from the 30s (about 0 Celsius) in Lake Superior to the 50s (10s Celsius) in southern Lake Michigan, Lake St. Clair and Lake Erie.
Weather service meteorologist Ernie Ostuno tells the Detroit Free Press that readings are a little colder than normal for this time of year. He says people who attempt a fully immersive swim in the lakes right now could be in for a cold shock.
The nonprofit National Center for Cold Water Safety adds it's dangerous for full immersion into water at such temperatures.
Information from: Detroit Free Press, http://www.freep.com
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