A calm-looking patch of water with few breaking waves can signal a rip current, a narrow channel of powerful water moving away from shore.Rip currents can quickly pull swimmers seaward, and fighting directly against them can cause exhaustion.If caught in one, stay calm and swim parallel to the shoreline until you escape the current, then head back toward shore.Always watch beach flags and signs, swim near lifeguards, and never overestimate your ability in unfamiliar water…
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