RedactedNarrative: Vessel 1, was coming back from Put-In-Bay, with two other PWC's. One of the PWC's decided to stop and swim and the other two PWC's kept going.  Of the two PWC's one was faster and pulling away from vessel 1.  Vessel 1, was trying to keep up in the rough water. The operator of vessel 1 stated she saw the operator of the PWC still looking back to check on her.  When he turned back around, the operator of vessel 1, fell off the back of her PWC.  The wind pushed the PWC away from her. The operator of vessel 1, said there was a lot of current and large waves through out the night.  The operator of vessel 1 was rescued by a good Samaritan around 10:00 am the next morning near the entrance to the Portage River after spending 15 hours in the water.