In 2010, the European Space Agency said, “The conditions are quite common in the ocean and occur when a windsea and a swell, or two swell systems, coexist.”
It pointed to a 2004 study that showed “a large percentage of ship accidents occurred in crossing sea states.”
Along the western coast of France, at the Isle Rhe, this phenomenon is very common. However, as it is extremely dangerous to enter the water when it occurs, tourist get to witness the water grids from a lighthouse on the western part of the island.
To learn more of this nature’s incredible phenomenon go to the video below.
