Magnetic Passage (18°30'S., 147°15'E.) lies with its N entrance about 50 miles NW of the N entrance to Flinders Passage. The passage is entered from seaward between Myrmidon Reef (18°15'S., 147°22'E.) and Needle Reef, 11.5 miles SW. Both reefs dry 2.7m. The passage extends in a S direction for about 22 miles and then in a SSW direction for about 11 miles to its S entrance, which lies between Lodestone and Keeper Reefs.

Location