Notice to Mariners No 49 of 2026 (Temp)

Friday 26 June 2026

HARBORS AND NAVIGATION ACT 1993

Notice to Mariners No. 49 of 2026 (Temporary)

SOUTH AUSTRALIA – SPENCER GULF - WALLAROO – MOORING BLOCKS

Mariners are advised that there are concrete anchors/moorings blocks on the seafloor of approximately 1m in height, within the former aquaculture leased area bounded by the following coordinates.

1. 33°55' 41"S 137°32' 31"E
2. 33°55' 28"S 137°32' 30"E
3. 33°55' 28"S 137°32' 11"E
4. 33°55' 41"S 137°32' 11"E

Mariners are advised to exercise caution when navigating in this area

Charts affected:

Paper  - AUS777, AUS485, AUS4709, AUS4060

ENC     - AU5WAL01, AU435137, AU240130, AU160120

Gordon Panton

Manager Marine Safety and Compliance

Department for Infrastructure and Transport

26 June 2026

DIT 2017/02277/01

www.marinesafety.sa.gov.au