Scary moment when an unexpected rogue wave nearly hits a small boat and smashes into the coast a few seconds later. A few meters closer to the shore the boat would have been smashed! Subscribe for extreme weather content ► Rogue waves (also known as freak waves, monster waves, episodic waves, killer waves, extreme waves, sneaker waves, and abnormal waves) are unusually large, unexpected and suddenly appearing surface waves that can be extremely dangerous. In oceanography, rogue waves are more precisely defined as waves whose height is more than twice the significant wave height. Therefore, rogue waves are not necessarily the biggest waves found on the water; they are, rather, unusually large waves for a given sea state (). If you like crazy videos like this, make sure to check out our video about the Mega-Tsunami which was created by a landslide and devastated a small village in Greenla
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