A 55-year-old swimmer was in critical condition after San Francisco firefighters found him face down in the waters of Ocean Beach near the Sutro Baths Saturday morning.

The incident was reported at 9:22 a.m., and firefighters arrived on scene by 9:27 a.m., according to dispatchers.

A swimmer from Engine No. 34 reached the victim around 9:35 a.m., a dispatcher said.

The victim had water in his lungs, so firefighters administered CPR as he was transported to St. Mary’s Medical Center with an intermittent pulse.