M363-25 Lake Barrington – Rowing Regetta Mariners are advised that a rowing event will be held on Saturday, 29 November 2025 and Sunday, 30 November 2025, on the Lake Barrington Rowing Course. Mariners are requested to transit the area with caution and avoid interfering with the event.

M364-25(T) Prosser River, Orford – Aid to Navigation Mariners are advised that the Prosser River Mouth Starboard Buoy (Latitude 42° 33.255’S Longitude 147° 52.973’E) is off-station. Mariners should navigate with caution in the area.

M362-25 Macquarie Harbour – Deployment of Acoustic Receiver Array Mariners are advised that the Institute for Marine and Antarctic Studies will be deploying 111 receivers in an overlapping array throughout Macquarie Harbour, commencing on Thursday, 27 November 2025. The receivers remain in place for two years. All parts of the array, including the sub-surface buoy,…