The 19th Meeting of the Steering Group for the ASCOBANS Recovery Plan for Baltic Harbour Porpoises (Jastarnia Plan) and the Conservation Plan for the Harbour Porpoise Population in the Western Baltic, the Belt Sea and the Kattegat (Western Baltic Conservation Plan) took place online from 20 to 22 March 2023. Chaired by Dr. Ida Carlén, progress on the implementation of the Jastarnia and the Western Baltic Conservation Plan was discussed. Country representatives provided an overview of national activities to conserve the harbour porpoise since the last meeting .