It's surprising because a lot of animals migrate during the year and scientists still do not know everything about these migration patterns. The migration area of great white sharks is along the Eastern Pacific coast in California (mostly San Francisco area and southern California) and Mexico and in Hawaii. They migrate for months, and it's hard to say exactly what their migration patterns are. A lot of it probably has to do with mating. The reason it is not for food is that the sharks can adapt to a wide range of temperatures which means they can catch their prey from any ecological niche.

Also, the great white sharks in different parts of the world have different migration patterns. Scientists are still trying to get concrete information about the migration patterns and the reasons for it.