Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.80151

Sec. 80151.(1) A person operating a vessel shall not have in tow or otherwise be assisting in the propulsion of a person on water skis or on a water sled, surfboard, or other similar contrivance during the period of 1 hour after sunset to 1 hour prior to sunrise.

(2) A person shall not permit himself or herself to be towed on water skis or on a water sled, surfboard, or similar contrivance in violation of this part.

(3) A person who violates this section is responsible for a state civil infraction and may be ordered to pay a civil fine of not more than $500.00.