"He was just psychologically gone, crazy, because I think he was in shock," she said.
Waters told witnesses he had noticed small fish and a large shadow below him, but didn't think anything was wrong until he was bitten.
Waters suffered puncture wounds. He was taken to a hospital adjacent to where Jessie is being treated, and was released today.
Clark said the shark probably wasn't going after the surfer, but the fish — and there was nothing for people to worry about.
"In all likelihood, he just happened to be in the way of the shark when he was trying to secure his meal for the day," Clark said.
Elsewhere in Florida, a tourist from Cincinnati was bitten on the foot by a 3-foot shark while riding a boogie board Sunday off Amelia Island, about 40 miles north of Jacksonville.
Officials said Tim Flanigan, 18, was treated at Shands Jacksonville hospital and released this morning.
ABCNEWS affiliate WEAR in Pensacola contributed to this report.