A spokesperson at San Francisco General Hospital says one man is in critical condition after being found unconscious and floating in the Bay just before 6 a.m.
Two other people, a man and a woman, are also still in the hospital but are expected to be OK.
Lt. Jonathan Baxter with the San Francisco Fire Department said they got the call at 5:20 a.m. from a woman who said she and her two friends needed help. But that's about all she could tell them.
"They didn't know where they were at, they didn't have a bearing on landmarks either, so it took a little bit of time to locate these individuals," Baxter said.
Crews on land and in the water started looking with dispatchers telling those in distress to make noise so rescuers could hear them. It took thirty minutes to find them. They were between the Municipal Pier and Fort Mason at an area known as Black Point.
Rescuers found one man floating unconscious in the water.