RedactedNarrative: v1 was traveling westbound through johns pass into the gulf. operator stated vessel took several large waves of over the bow and the engines stalled. operator attempted to restart but was unsuccessful.  Current turned the vessel parallel to waves which caused flooding.  A good samaritain vessel assisted occupants on to their vessel, before all occupants could be rescued the vessel capsized.  remaining occupants were pulled to safety by PD vessel.  no injuries reported.