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If you see a purple flag at the beach, it’s an indication that there are marine pests present in the water. These pests include jellyfish, stingrays and various other dangerous fish.
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Purple flag: Dangerous marine life. Heat warnings: What do heat warnings and watches mean? Terms you should know Red flag? …
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A Purple flag means: A. Conditions are very hazardous, with high surf and/or strong currents. B. It’s a royally good day. C. Dangerous marine life is present. 4. A Red over Red (two red flags): A. Dangerous …
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