In this position, he got the opportunity to develop an unshakable calm as well as other solid commander qualities, especially during preparedness along the Swedish west coast in connection with Union crisis in 1905. As inspector he demonstrated an extraordinarily confident glance and an infallible judgment. On his responsible post, he remained even during the first stage of World War I. In 1910, Dyrssen became a military member of the Supreme Court of Sweden and in the year after, he was promoted to vice admiral. He resigned from the position of Highest Commander of the Coastal Fleet in 1916, and was appointed station commander in Stockholm. He left active service in 1923 and thereby received the highest of the three admiralty ranks. The last years he devoted himself mainly to the management of his property Öråker near Mälarestäket and he also took a leading position as vice chairman in Sweden's Agricultural Employers Central Association ("Sveriges lantarbetsgivares centralförening"), and chairman of the General Electoral League ("Allmänna valmansförbundet") in Uppsala County. Dyrssen became a member of the Royal Swedish Society of Naval Sciences in 1893 and honorary member in 1904. He became a member of the Royal Swedish Academy of War Sciences in 1899. Dyrssen was editor of the journal "Tidskrift i Sjöväsendet" from 1894 to 1898. In 1888, Dyrssen was married to baroness Lizinka af Ugglas (1866–1952), the daughter of Gustaf af Ugglas and Therese Björnstjerna. He was the father of Gustaf Dyrssen and Magnus Dyrssen. Dyrssen's awards: