Dangerous currents are common in the Great Lakes, especially in Lake Michigan, where rip currents are especially dangerous and can cause drownings.

Dangerous currents are common in the Great Lakes, especially in Lake Michigan, where rip currents are especially dangerous and can cause drownings.

Dangerous currents are common in the Great Lakes, especially in Lake Michigan, where rip currents are especially dangerous and can cause drownings.

An angler caught a 39-year-old lake trout while fishing near Sheboygan on Lake Michigan. The fish is the oldest in the history of the U.S. Fish and Wildlife Service mass marking program.

Looking to swim in one of Wisconsin's Great Lakes? Here's how warm Lake Michigan and Lake Superior are as of mid-July.