Swell waves are a type of ocean waves that forms when wind blows over the surface of the water.
At that time, wind transfers its energy to the wave.
1. Swell waves can travel long distances without losing its energy.
2. Swell wave can range from small to massive, over 10 m high.
3. The time between successive waves is known as period and it ranges from few seconds to 20 seconds.
Swell waves are responsible for erosion and deposition of sand onto beaches.
Swell waves are essential for surfing.