Rogue wave still raises strange questions.

Rogue waves are large and unpredictable surface waves that can be extremely dangerous to ships and isolated structures such as lighthouses.

Rogue waves are large and unpredictable surface waves that can be extremely dangerous to ships and isolated structures such as lighthouses. They are distinct from tsunamis, which are long-wavelength waves, often almost unnoticeable in deep waters and caused by the displacement of water due to other phenomena. A rogue wave at the shore is sometimes called a sneaker wave.