SCHOOLCRAFT COUNTY -- State Police have released a sketch of the suspect wanted in connection with the sexual assault of a Chicago woman just south of Gulliver in Schoolcraft County.

It happened along Lake Michigan in the early morning hours on Sunday, July 22. He's described as a white male in his 30s, 5' 6" tall with an average to athletic build, and shorter, well kept hair. He was wearing a grayish green t-shirt and jean shorts.

A bright yellow Jeep Wrangler was seen in the area. It has a spare tire on the back with a yellow smiley face.

Investigators have reason to believe the assailant traveled a significant distance to commit the assault. Anyone with information is asked to call the state police toll free line at 1-866-411-0018.