Understanding the Purple Flag at the Beach: What It Really Means, Why It Exists, and the Hidden Ocean Hazards Swimmers Often Overlook
The beach is often imagined as a place of simplicity: golden sand, rolling waves, and clear skies. Yet beneath that calm surface lies a living ecosystem that can change conditions quickly and unexpectedly. To help beachgoers understand these changing environments, lifeguards use a system of colored flags. Most people recognize the basics—green for safe conditions,…