EMERALD ISLE, N.C. (WTVD) -- Visitors to Emerald Isle saw red and purple flags flying at the beach on Monday.
Officials say that's because surf zone conditions are still turbulent.
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They also said there's a high abundance of sea butterflies along the shore line.
Purple flags are meant to warn beachgoers of sea creatures nearby.
Sea butterflies are a type of sea snail. According to NC State experts, they are neither eggs nor jellies, and they do not sting. However, they can get stuck in your skin.
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No swimming is recommended during red flag conditions.
Officials said Ocean Rescue Lifeguards would continue to monitor ocean conditions throughout the day.