Suenson waited outside the British zone of , but the Austrian-Prussian squadron was able to escape during the night to Cuxhaven, arriving at about 04:00 on 10 May. On reaching the port, the Austrian ships began to repair the damage sustained in the battle. Suenson sent his casualties ashore and resumed patrolling in the southern North Sea, between Heligoland and the Elbe. The day of the battle, the two sides had signed an armistice in London that took effect on 12 May, temporarily ending the fighting. The armistice lasted until 26 June, when fighting broke out again on land. The following day, a second Austrian squadron, which included the ship of the line "Kaiser", the armored frigate "Don Juan d'Austria", and two smaller vessels under Vice Admiral Bernhard von Wüllerstorf-Urbair arrived to reinforce Tegetthoff's ships. The now outnumbered Danish fleet remained in port for the rest of the war and did not seek battle with the Austro-Prussian squadron. Instead, the Austrian and Prussian naval forces supported operations to capture the islands off the western Danish coast. These advances, coupled with the capture of the island of Als in the Baltic Sea, forced the Danes to seek a second armistice on 29 June.