Wagener finished at 13-under 267.
Howell closed with 69 to finish at 269 along with Carl Pettersson, Sean O'Hair and Harrison Frazar. Pettersson, O'Hair and Frazar all shot 67.
Former Louisville, Ga., resident Brian Gay also shot 67 and tied for sixth at 270.
Will Claxton, of Swainsboro, Ga., had 70 and tied for 23rd at 274.