On the return, having only rescued one of the submarines, the force passed J1 off Horns Reef on 5 November 1916.

The last operation of the year, conducted on 23-24 October, was an advance without result in the direction of Horns Reef.

The German destroyers now fell behind the fleet without taking any further part in the action and returned to Germany via Horns Reef.

Seydlitz was only able to make 16 knots and was ordered to make her own way to Horns Reef.

By 01:12, Seydlitz had managed to slip through the British fleet, and she was able to head for the safety of Horns Reef.

At approximately 03:40, she scraped over Horns Reef.

Another advance to Horns Reef followed on 21-22 April.

Her wartime career started inauspiciously, when on the 24th September, 1939, she was heavily damaged by German warships off Horns Reef.

UC-30 was mined and sunk off Horns Reef on 21 April 1917.

On 4 May, Deutschland took part in a sortie against British ships off Horns Reef, without result.