 At the 1976 East German championships, Weiße competed in the quad scull in a team that came third.Having retired from rowing in 1980, Weiße took up the sport again in 2012 after being encouraged by his wife and one of his daughters, both active rowers for SV Energie Berlin.Weiße had entered with a mixed quad scull team at the 2014 World Rowing Masters Regatta in Ballarat, but was stopped by a doctor from competing after having already travelled to Australia.