Acts as structural support and it defines shape of boat.

These waves are the result of an abrupt change in seabed topography.

It is the upward force of the water on an object.

This type of kayaking or canoeing iswhere the canoe or kayak is fitted with a sail.

Allow surfers greater balance than any other kind of surfboard.

The art and science of riding down a breaking wave without a board.

Transfers heat away from the body much quickly than air given in the same temperature.