In fluid dynamics, a wind wave, or wind-generated water wave, is a surface wave that occurs on the free surface of bodies of water as a result of the wind blowing over the water's surface. The contact
A man standing next to large ocean waves at Porto Covo, Portugal
NOAA ship Delaware II in bad weather on Georges Bank
Surf on a rocky irregular bottom. Porto Covo, west coast of Portugal
A swell, also sometimes referred to as ground swell, in the context of an ocean, sea or lake, is a series of mechanical waves that propagate along the interface between water and air under the predomi
Wind wave
…slightly right in the northern hemisphere. After moving out of the area of fetch and no longer being affected by the local wind, wind waves are called swells and can travel thousands of kilometers. A noteworthy example of this is waves generated south of Tasmania during heavy winds that will travel across…
Breaking swell waves at Hermosa Beach, California
Swell near Lyttelton Harbour, New Zealand
Cross sea of shallow-water swell waves near the Whales Lighthouse (Phare des Baleines), Île de Ré