A new and distinct grapevine variety ‘Sugrafortyseven’ is characterized by an early harvest date, the production of a large-sized, red, globose berry and a large bunch size. The berries of ‘Sugrafortyseven’ are very firm. The new variety ‘Sugrafortyseven’ is characterized by a higher cluster weight and berry weight compared to ‘Flame Seedless’ (unpatented). The new variety has similar berry color to the variety ‘Crimson Seedless’ (unpatented) but begins ripening earlier.