Surfboard shapers design different shapes of bottom contours for various types of surfers and different surfing conditions. Surfboards usually have different.
How different tail shapes change your surfboard's manoeuvrability. The shape of the end part of your surfboard, the tail, has a key role to play.
Bottom contours on surfboards allow water to be channeled which helps with array of different bottom contours, but the following are the fundamental shapes.