( CNN ) -- Several boaters are missing after separate incidents on Lake Michigan over the weekend , the Coast Guard said . Near Chicago , searchers were looking for four people Sunday about seven miles offshore , where rescuers had pulled two boaters from the water . One rescued person `` was in a hypothermic state but reported four or five additional people in the water , reportedly all wearing life jackets , '' the Coast Guard said . The boaters entered the water late Saturday night during a voyage from New Buffalo , Michigan , to Chicago . Officials did n't say what happened to their boat . In a separate incident , rescuers pulled five people from the lake near the Michigan City Lighthouse in Indiana Saturday . They called off the search for a sixth person who was missing Sunday morning . `` The six people reportedly jumped off their boat into the water to escape the heat , but then their boat started drifting away and they could not get back to it , '' the Coast Guard said . `` None of the people in the water were reportedly wearing life jackets . '' Temperatures in Lake Michigan are much lower than normal for this time of year , the Coast Guard said , after a long and cold winter . In southern Lake Michigan , the water temperature is 45 degrees , officials said .
the Coast Guard searches for missing boaters in the Michigan City Lighthouse near Indiana . Rescuers also pull boaters from the water near Michigan City , Chicago . Temperatures in the lake are lower than normal , The Coast Guard says .