Notice to Mariners No 60 of 2026 (Temp)

Wednesday 26 August 2026

HARBORS AND NAVIGATION ACT 1993

Notice to Mariners No. 60 of 2026 (Temporary)

SOUTH AUSTRALIA – ST VINCENT GULF - FLOATING DEBRIS

Mariners are advised that following recent heavy rainfall across catchment areas and controlled releases from local reservoirs, significant quantities of floating debris may be present in the waters of Gulf St Vincent.

Debris may include:

Trees, logs and large branches
Vegetation and reed material
Timber, building materials and other flood-related debris
Partially submerged objects that may be difficult to detect, particularly at night or in poor visibility

These hazards can pose a risk to vessels, including damage to hulls, propellers, steering systems and personal injury.

Mariners are advised to navigate with extra caution in the vicinity of river mouths, creek outlets and areas affected by stormwater discharge, where debris concentrations may be higher.

Charts affected:

Paper: AUS781, AUS485, AUS4060, AUS4709

ENC: AU436138, AU240130, AU160120

GORDON PANTON

Manager Marine Safety and Compliance

Department for Infrastructure and Transport

26 August 2026

2017/02277/01