KEEP YOUR DISTANCE: A humpback whale made a surprise appearance off the coast of Nova Scotia, slapping an inflatable boat with its tail.

Canadian gov't regulations require vessels to maintain a minimum distance of 330 feet from most whales and dolphins. https://t.co/87gHOo5AY0 pic.twitter.com/fWYVu1QS98

— ABC News (@ABC) September 14, 2018