Two teenagers who drowned off Coney Island were sisters, according to police and media reports The teens, 17 and 18, were reported missing around 8 p.m. Friday after they entered the water in the rain when the lifeguards were off duty, a witness told ABC News. Following an extensive search, teens were located and pulled from the water at around 9:15. The were rushed in critical condition to Coney Island Hospital, but did not survive the night, New York NBC Channel 4 reported Saturday. Their identities were not released, but police confirmed they were sisters. “I saw a lot of cops and firemen r…