What does the purple flag mean at Galveston beaches?

Purple flag at the beach could mean keep an eye out for these

What Does a Purple Beach Flag Mean?

Beach Flag Warning System

What each flag color means at the beach

Beach Warning Flags Explained | Flag Facts

Beach Flags - What Each Mean

What does purple flag mean in Florida?

The Purple Flag: What Does It Mean at the Beach? #BeachSafety #PurpleFlags

City of Corpus Christi | Beach Warning Flag System

What do the yellow and red flags mean on the beach?

Purple flags at area beaches, here's why

Purple flags fly at Emerald Isle due to sea butterflies

In the U.S., what does a purple beach warning flag mean?

Bioluminescent Plankton Glow on Beach in the Maldives || ViralHog

Purple flags warn Clearwater beachgoers of dangerous marine life

Remember these flag warnings before you head to the beach

Rare purple flags fly Monday at Emerald Isle beaches

Explainer: Beach flags and what they mean