From May 1942, "Hatsuharu" was reassigned to northern operations, and deployed from Ōminato Guard District with as part of "Operation AL" in support of Admiral Boshiro Hosogaya's Northern Force in the Aleutians campaign, patrolling around Attu, Kiska and Amchitka Island until mid-July. After returning briefly to Yokosuka Naval Arsenal for maintenance, "Hatsuharu" continued to patrol in the Chishima Islands, deploying out of Paramushiro or Shumshu to Kiska, making transport runs to deploy supplies and reinforcements. On 17 October, while accompanied by the destroyer , "Hatsuharu" was attacked by USAAF B-26 Marauder bombers off of Kiska. A direct bomb hit on her stern disabled her rudder, killing four crewmen and injuring 14 others. "Oboro" was sunk in the same attack, and "Hatsuharu" rescued 17 survivors. She limped back to Paramushiro on her own steam by 25 October