Chart correction N28/20 — chart 74304

74304 1Ed. 10/10/14 LAST NM N27/20 N28/20 Add Note “SANDWAVES The seabed in this area consists of sandwaves which cause variations in actual depth to those charted. If mariners are unsure of the condition of the seabed in a particular area, local information should besought prior to crossing.” 10°23.80′S 142°21.10′E (24(1014)17 Wollongong)

Source: NGA U.S. Notice to Mariners · edition: 1Ed. 10/10/14

Reference information — always verify against official Notices to Mariners before navigation.