German battleship Tirpitz seemed to be in the Baltic according to the U.S. Joint Intelligence Committee. Daily summary dated 31 December 1941

U.S. Naval History and Heritage Command, MH 71390, anchored in the Alta Fjord, Norway between 1943-1944

An item reported that the German battleship Tirpitz operated on 18 December in the Baltic and was there still as far a known. The Bitish Admiralty did not believe the Vichy French report claiming she was in the Atlantic.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 21 dated 31 December 1942