Groundswells are described as broad deep undulations of the ocean caused by an often distant gale or seismic disturbance. Usually the best source of waves for surfers, the groundswells have more energy transferred into the water during the generation of the waves, which create longer swell periods. Waves with longer swell periods can travel great distances without losing the swell energy.
What is a Groundswell?
20 April 2017 | Surfing
What is the definition of groundswell? Why do surfers prefer long-period waves? Learn why are groundswells are better for surfing.
Swells form when the wind, at a certain speed, duration and direction, blows over a distance of water called the fetch. When the first waves form, they begin to travel faster or slower, depending on the ocean and wind conditions.
A groundswell, or ground swell, is a long-period group of waves created by a distant storm system over long distances, at least 2,000 miles away from the coast.
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