A purple flag at the beach signals dangerous marine life—an often-ignored warning that could protect you from serious harm in the water

often detect risks long before beachgoers do.

It’s a warning for an invisible danger.

WHY LIFEGUARDS MATTER MORE THAN PEOPLE REALIZE

When a purple flag is raised, lifeguards become your most valuable source of information.

They monitor far more than waves.

Lifeguards track:

Marine life movement
Changing water conditions
Recent injuries or stings
Tide behavior
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