Good thing a Tsunami does not create a rouge wave. In fact in open sea it is just a ripple of energy. The problem is when it reaches the cost and that energy is forced up creating a giant shore break.
Rouge waves are surface waves created by unusual winds
Rogue waves (also known as freak waves, monster waves, killer waves, and extreme waves) are relatively large and spontaneous ocean surface waves that are a threat even to large ships and ocean liners. In oceanography, they are more precisely defined as waves whose height is more than twice the significant wave height (SWH), which is itself defined as the mean of the largest third of waves in a wave record. Therefore rogue waves are not necessarily the biggest waves found at sea; they are, rather, surprisingly large waves for a given sea state.