What is the purpose of three long whistle blasts?

The purpose of three long whistle blasts is to communicate a specific message to individuals in the aquatic facility, indicating an important alert. In the context of lifeguarding, one of the primary uses of this signal is to get the attention of a supervisor or fellow lifeguards. This method is effective in drawing immediate focus during critical situations, especially in environments that may be noisy or where visibility is limited.

Whistle signals are standardized to ensure clarity in communication; therefore, lifeguards can rely on these signals to quickly inform one another about necessary actions or emergencies. While other signals also have specific meanings, in this case, three long blasts are distinctly associated with notifying supervisors, underscoring the importance of effective communication among lifeguards to ensure safety and proper response during incidents.