It appears a small Metiotsunami pushed water farther than usual on the shores of Holland, Michigan. Metiotsunami are caused by air pressure disturbances, usually from lines of thunderstorms.
As a parent, I'd rank this among my greatest fears. Having a child go off to college only to become a victim of a violent crime is a terrible reality for many and it's terrifying to know that 3 of the top 10 most dangerous college campuses also happen to be next door neighbors to Wisconsin.