In New Guinea… The American beachheads at Tanahmerah Bay and Humboldt Bay are linked up. Australian forces, to the east, capture Alexishafen, west of Madang.

In Occupied Norway… Elements of the British Home Fleet, under the command of Admiral Moore, including the battleship Anson and 6 carriers, attempt to attack the German battleship Tirpitz but fail because of bad weather. A German coastal convoy is discovered near Bodo and three ships are sunk.