Associated Press, myfoxny.com

DETROIT (AP) – The U.S. Coast Guard is urging people to use caution on Great Lakes waterways due to warmer temperatures and unstable ice.

The warning specifically mentions Lake Superior and the northern parts of Lake Michigan and Lake Huron.

http://www.myfoxny.com/story/28348269/coast-guard-urges-caution-on-great-lakes-amid-warmer-weather