The sighting was reported on Long Island at Nickerson Beach in Nassau County.
As a precaution, the town of Hempstead also closed Lido Beach and Malibu Beach for swimmers for a brief period early Saturday afternoon, Aug. 3.
Officials said the shark was spotted about 75 feet from the shore.
Swimming resumed at the three beaches a short time after the sighting.
The Town of Hempstead issued a statement stating, "Our highly skilled lifeguards are on alert and will continue to monitor the waters closely to ensure your safety."
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