On 16 August, a second attempt was made to enter the gulf. The dreadnoughts and , four light cruisers, and 31 torpedo boats breached the defenses to the gulf. "Nassau" and "Posen" engaged in an artillery duel with "Slava", resulting in three hits on the Russian ship that prompted her withdrawal. After three days, the Russian minefields had been cleared, and the flotilla entered the gulf on 19 August, but reports of Allied submarines in the area prompted a German withdrawal from the gulf the following day.