 "Markgraf" fired on the battery located on Cape Ninnast.After the successful amphibious assault, III Squadron steamed to Putziger Wiek, although "Markgraf" remained behind for several days.On the 17th, "Markgraf" left Tagga Bay to rejoin her squadron in the Gulf of Riga, but early on the following morning she ran aground at the entrance to Kalkgrund.