A man died after he was pulled from the ocean off Belmar on Monday afternoon, authorities said. Emergency crews rushed to reports of several swimmers “in distress” around 12:30 p.m. near the 8th Avenue beach jetty, the Belmar Police Department said in a statement. Officers found bystanders trying unsuccessfully to make rescues. Lifeguards rescued an unspecified number of swimmers, police said. One of those was taken to a local hospital for treatment. Responders then learned one swimmer remained unaccounted for and launched a search effort. Rescue crews found the missing man in the ocean around…