This 'phenomenon' is actually caused by the Venturi Effect: https://wrangellnarrowsdotcom.files.wordpress.com/2011/12/figure-3.jpg It is not a wake, nor is it displacement. Neebish Island is a very small island on the St. Mary's Sriver halfway between Sault Ste. Marie, Michigan and Lake Huron. I don't know what type of boat the yellow one is.
Freighter passing by at Neebish Beach phenomenon
From Burger on 8/25/2017 4:01pm Tagged in: Cool, Science/Technology
View Full Link: https://www.youtube.com/watch?v=_5StcSKWTkA