HMAS ABRAHAM CRIJNSSEN, (minesweeper), was returned to the Royal Netherlands Navy. The Dutch minesweeper had escaped from the Netherlands East Indies in 1942, and had been commissioned into the RAN. She continued to operate in Australian and South East Asian waters for the remainder of the war.
The Brisbane based USS GRAMPUS, (submarine), was sunk by Japanese destroyers off Rabaul.
The Japanese submarine I-180 torpedoed the merchant ship FINGAL off Nambucca Heads, NSW.