This story has been updated.
Separate shark sightings led to swimming being prohibited at some beaches off the Long Island coast.
The shark, described as significant-sized, was spotted offshore of Lido West Beach by a Town of Hempstead lifeguard who was on a surfboard, the Town of Hempstead said early Monday afternoon, July 27.
Lifeguards then red-flagged the area as per state protocols.
Swimming was prohibited at Civic Beach, Lido Beach, Lido Beach West, Town Point Park Lookout and Town Park at Sands for most of the afternoon.
Late in the afternoon, beachgoers were permitted to enter the water up to their knees.
After being informed of the sighting, Long Beach closed city beaches to swimming until further notice.
It also later allowed beachgoers to enter the water waist-deep. No surfing or boogie boards were permitted.
But the ocean closed again at Long Beach beaches again later in the afternoon, just before 3 p.m., after another sharking sighting was reported.
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