"Broadway" was modified for trade convoy escort service by removal of three of the original 4"/50 caliber guns and three of the triple torpedo tube mounts to reduce topside weight for additional depth charge stowage and installation of hedgehog. "Broadway" was assigned to Escort Group C-2 of the Mid-Ocean Escort Force for convoys ON 119, SC 97, ON 139, SC 108, ON 149, SC 113, ON 179 and HX 237 during the winter of 1942–43 While assigned to HX 237, on 12 May 1943 she joined the frigate "Lagan" and aircraft from escort carrier "Biter" in destroying another German submarine, "U-89", which was sunk northeast of the Azores.