Trust me. The Japanese struggled with the same inaccurate maps as the Allies.
December 13th 1941 the Japanese cargo ship
Nikkoku Maru is stranded and wrecked off Hainan Island, 18°00'N, 110°00'E.
December 29th 1941, the Japanese submarine
RO 60, returning from the Wake Island operation, is irreparably damaged by grounding, Kwajalein Atoll, 09°00'N, 167°30'E.
January 12 1942, the destroyer
Asagumo is damaged when she runs aground off Tarakan.
January 16th, the Japanese cargo ship
Taishu Maru is wrecked when she runs aground off Okushiri Island, Hokkaido.
January 17th, the Japanese transport
Fukusei Maru is stranded and wrecked off Yangtze Estuary.
February 9th 1942, the Japanese carrier
Kaga is damaged when she runs aground on an uncharted reef, Palau, Palau Islands.
February 17 1942, the Japanese destroyer
Ayanami is damaged when she fouls an uncharted reef 2.4 nautical miles off Durai, Anambas Islands.
February 25th 1942, the Japanese cargo ship
Fukushima Maru runs aground on a reef and is wrecked, Katsura Bay.
And that's just the first three months of the war.
