HMAS VAMPIRE and HMS THANET, (destroyers) launched a night attack on a superior Japanese force landing troops at Endau, Malaya. The destroyers penetrated the enemy line and engaged vessels on both quarters at point-blank range. HMS THANET was lost in the engagement, VAMPIRE escaped reaching Singapore naval base some hours later.
The Fremantle-based USS HAKE, (submarine), sank the Japanese tanker YAMAMIZU MARU in the Java Sea off Borneo.
HMA Ships HOBART, PERTH, VAMPIRE, YARRA, and WARREGO, joined ABDA Command in Java.