With Boat Night on Friday evening in Port Huron local law enforcement officers were present in large numbers throughout much of the downtown area. Lt. Brian Kerrigan of the Port Huron Police Department said they had officers assisting from the Michigan State Police, US Customs, US Border Patrol, US Coast Guard, Marysville Police, St. Clair Police, and the St. Clair County Sheriff. The crowd size varied depending on the weather, but there were good-sized crowds overall. Over the whole week, the number of visitors was estimated to be over 100,000. Friday night’s attendance was estimated at over 40,000.