The sculptor Michael Combs, whose work is inspired by the lives of his ancestors, North Fork baymen, fishermen and decoy-carvers, will sign copies of his new book in the lobby of the Parrish Art Museum in Water Mill on Sunday at 11 a.m. “Time Out of Mind,” an exhibition of oil paintings by Michael Oruch, will open with a reception Saturday from 6 to 8 p.m. at Art Space 98 in East Hampton and remain on view through Aug. 22.