Wind-generated water waves are surface waves that are created by the wind as it blows across the surface of a body of water. These waves can vary in size, depending on the strength of the wind and other factors such as the depth and shape of the body of water. Wind-generated water waves can be found in oceans, lakes, rivers, and other bodies of water. They can also be seen in small puddles and ponds.

A water cannon is a device that shoots a stream of water at high pressure. It is typically used for crowd control, firefighting, and other purposes. Water cannons are often mounted on vehicles, such as fire trucks, police cars, and military vehicles. They can also be handheld devices.