September 3, 1944-The Momi is commissioned and joins Destroyer Squadron 11 for training operations.
October 25, 1944-The Momi escorts the carriers Ryuho and Kaiyo from Sasebo to Keelung.
November 2, 1944-The Momi returns to Kure.
November 15, 1944-The Momi is assigned to Destroyer Division 52, Destroyer Squadron 11.
November 20, 1944-The Momi is assigned to Escort Squadron 31, Fifth Fleet.
December 17, 1944-The Momi escorts the carrier Unryu to Manila until the ship is sunk by the American submarine Redfish. Afterwards, the destroyers Momi and Shigure rescue survivors before passing to Cape St. Jacques, arriving December 19.
December 31, 1944-The Momi is again assigned escort duties, this time with the victualling stores ship Ikutagawa Maru to Manila, arriving January 4, 1945.
January 5, 1945-The Momi leaves Manila with the Ikutagawa Maru and the destroyer Hinoki. The two destroyers engage the American destroyer Bennion, then turn back. Before reaching Manila, the ships are spotted by aircraft from Task Force 77 and sunk with no survivors reported.
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