Vessel 1 was fishing off shore of Conneaut Harbor Lake Erie.  Occupant #1 on vessel noticed that water was starting to fill the stern of vessel.  Occupant #1 had Occupant #3 pull up the anchor so they could head back into shore.  Upon starting to accelerate, wave hit engine and stalled it.  Soon after another wave hit, swamping and capsizing Vessel 1.  All occupants were thrown from vessel, but were able to stay with vessel.  All occupants were in water till next day when they were discovered by another boater.  Occupants were taken into shore by the other boater and were taken to Conneaut Medical Center by Conneaut Fire Department.
Conneaut