I've never gigged from my kayak,but have bow fished from it and a canoe.My kayak is a wide one,with a beam width of 41", my canoe is 18 ft long,with a wide flat bottom,both are stable enough to stand and shoot a bow from.Stability not only depends on the craft,but how good a persons sea legs are,toss your yak in the water and jab the gig,shouldn't take long to find out how well suited you and your craft is.