👉 Gyres are a type of wave that occur at the edges or corners of oceanic and coastal areas. They are typically caused by the movement of waves, which are compressions and rarefactions in water moving from one side to another. Gyres can be large or small, with some gyres reaching lengths as long as 10 kilometers (6 miles) or more. These structures play a crucial role in shaping oceanic and coastal environments, affecting things like weather patterns, sea levels