Notice to Mariners No 74 of 2026 (Temp)

Wednesday 7 October 2026

HARBORS AND NAVIGATION ACT 1993

Notice to Mariners No. 74 of 2026 (Temporary)

SOUTH AUSTRALIA – ST VINCENT GULF – DEFENCE RANGE ACTIVITIES

Mariners are advised that the Department of Defence will be conducting range activities, including live firing, at the Port Wakefield Proof Range on following days between 8:00am and 4:30pm.

19 October 2026 - 23 October 2026

26October 2026 - 30 October 2026

02 November 2026 - 06 November 2026

Noise levels are expected to be high, and residents may experience audible noise and vibrations during these activities.

Affected area is bounded by following coordinates

1. 34°29' 30"S 138°16' 30"E
2. 34°29' 30"S 138°08' 30"E
3. 34°13' 30"S 138°08' 30"E
4. 34°13' 30"S 138°11' 59"E

Please note that the Prohibited Area always remains active and unauthorised persons or vessels must not enter these areas.

Charts affected:

Paper: AUS781, AUS458, AUS4709, AUS 4060

ENC:  AU160120, AU240130, AU435138

SIMON SCHWERDT

A/Manager Marine Safety and Compliance

Department for Infrastructure and Transport

07 October 2026

2017/02277/01

www.marinesafety.sa.gov.au