Resuming operations as part of the Atlantic Fleet, "Madison" took up her convoy duty anew. She made quick trips to Panama, the gulf ports and various ports in the United Kingdom. On 2 November, she departed New York City for Casablanca with convoy UGF 2 of troops and supplies to support the initial invasion of north Africa. Arriving in mid-November, she remained on local patrol and escort duty off Casablanca until the end of the year.