6 possible motions of a craft sailing the ocean.
Are you still keen to row the Atlantic?
  1. Roll     (moving up and down side to side)
  2. Pitch    (bow moving up and down)
  3. Yaw      (bow moving left to right)
  4. Heave   (vessel moving straight up and down)
  5. Surge    (speed changing, slow,fast,slow ...)
  6. Sway     (vessel moving horizontal side to side)