The presence of sharks at a beach is not directly related to the size of the waves. Sharks are naturally occurring marine creatures that inhabit various ocean environments, including coastal areas. They can be found in both calm and rough waters.
While it is true that some species of sharks are more commonly associated with certain coastal regions, and their behavior can be influenced by factors like temperature, prey availability, and ocean currents, the size of the waves alone does not determine the presence or absence of sharks.
If you are concerned about the presence of sharks while swimming at the beach, it is advisable to consult local authorities or lifeguards who are knowledgeable about the area. They can provide information on any known shark activity or safety measures in place. It's also important to follow general beach safety guidelines, such as swimming in designated areas, avoiding swimming alone, and being aware of any posted warnings or advisories.