 On 11 December 1941 "I-23" was redirected to the West Coast of the United States to raid American shipping in the Monterey Bay area, arriving within 100 miles of its destination on 18 December.20 miles off Cypress Point, Monterey Peninsula, California.After 1415, "I-23" battle-surfaced on the Richfield Oil Company's 6,771-ton tanker SS Agwiworld at 37N, 122W, firing a total of 14 shells, but missed the zigzagging target in rough seas.