Notice to Mariners No 53 of 2026 (Temp)

Tuesday 14 July 2026

HARBORS AND NAVIGATION ACT 1993

Notice to Mariners No. 53 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 Tuesday 21 July 2026 and Wednesday 22 July 2026, between 8:00am and 4:00pm.

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

Prohibited area is bounded by following coordinates

1. 34°25' 01"S 138°15' 03"E
2. 34°26' 23"S 138°13' 40"E
3. 34°26' 27"S 138°12' 48"E
4. 34°24' 42"S 138°10' 21"E
5. 34°16' 10"S 138°10' 38"E

Please note that the Prohibited Area remains active at all times 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

14 July 2026

2017/02277/01

www.marinesafety.sa.gov.au