HUNTINGTON BEACH (AP) — Orange County beaches will reopen a day after being shut down when surfers scrambled out of the water following a shark sighting.

Surfer David Charles said he was waiting for a wave Sunday at Bolsa Chica State Beach when two other surfers spotted what they thought might be a dolphin.

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Charles says he saw the tail of a shark thrashing in the water right behind him. Charles and the others paddled quickly to shore.

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He estimates the shark was at least six feet long.

Officials deemed the sighting credible and closed a stretch of about a mile of Bolsa Chica and Huntington State beaches. The beaches will reopen Monday.

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