The lifeguards are natives of Surf City, Harvey Cedars and surrounding areas on Long Beach Island, NBC New York reports.
A total of 17 Harvey Cedars lifeguards tested positive after attending a Surf City gathering. A dozen from Surf City also tested positive, the report said.
Surf City and Harvey Cedars beaches will remain open with safety protocols set. While Harvey Cedars has 73 lifeguards and will remain fully staffed, other adjustments may be made for Surf City beaches to keep visitors safe, according to the report.
Click here for more from NBC New York.
Click here to follow Daily Voice Bergenfield and receive free news updates.