The San Francisco Fire Department is calling a rescue two surfers performed Sunday night in the tumultuous waters off Fort Point heroic.

The incident occurred shortly after 5 p.m., according to SFFD Lt. Jonathan Baxter, when a “body boarder ran into a large rock, becoming unconscious and submerged underwater.”

Two surfers, one of them an off-duty paramedic, spotted the body and immediately started CPR in the water as they brought him in through the surf zone onto shore.

Paramedics with the fire department continued life-saving measures on land, Baxter said.

The victim was in critical condition with shock trauma and was transported to a local trauma center.

Northern California beaches are seeing large breaking waves up to 20-25 feet and the Weather Service has a high surf advisory in effect through 7 p.m. Monday.