You go to the beach and you see warning signs about the conditions... Have you been sucked under?
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This article explains the three types of dangerous tides or tows that can drag you out or under...
Excerpt: Every day, some 6.000 waves break on a given beach.
The broken wave pushes water up the beach, and gravity pulls the water back down the beach as a backwash.
When big waves break on the beach, a large uprush and backwash of water and sand are generated: this seaward-flowing water/sand mixture is pulled strongly into the next breaking wave...
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