Ferry Delays as Whale Passes Through Sydney CBD Harbour

A humpback whale passing through Sydney CBD’s Circular Quay briefly halted ferry services during the morning commute as transport crews monitored its movements.

Unexpected Marine Visitor in Circular Quay

A juvenile humpback whale entered Sydney Harbour around 8:00 a.m. on 16 July, causing ferry services near Circular Quay in the Sydney CBD to temporarily pause. The animal was observed swimming near vessels. This prompted the National Parks and Wildlife Service (NPWS) to advise a service halt at approximately 9:00 a.m.

Sydney CBD ferry whale — Caption: For Illustration Purposes Only
Photo Credit: Australian Museum

Monitoring Efforts and Safety Measures

NSW Maritime and NPWS crews escorted the whale through the harbour to protect both the animal and public transport vessels. A transport spokesperson confirmed that ferry and boat traffic were actively managed to ensure safe passage. An exclusion zone was established to prevent recreational boats from approaching too closely. Boaters were reminded to maintain a 100-metre distance from adult whales.

Whale Condition and Migration Context

According to experts onboard, the whale appeared to be a sub-adult and was not entangled or injured. It may have been taking a detour from its usual migration path. While there were differing views on whether the animal was heading north or south, it was expected to continue its journey either to tropical breeding grounds or towards Antarctic feeding areas. By midday, the whale was believed to have either exited the harbour or was lingering at the entrance.

humpback whale — Caption: For Illustration Purposes Only
Photo Credit: Australian Museum

Public Reaction During Commute

Commuters onboard ferries reported excitement upon sighting the whale. One passenger travelling to Kirribilli noted that vessels had come to a sudden stop before witnessing the animal release a spray of water. The incident was viewed by many as an unusual but welcome disruption to their workday travel.

Ongoing Migration Season in Sydney Waters

Approximately 40,000 humpback whales migrate annually along Australia’s east coast. Sydney Harbour has experienced similar visits in past years, with authorities trained to manage traffic and wildlife during such events. Whale scientists, including those from Macquarie University, continue to track and study the species’ behaviour in urban waterways.

Transport authorities and NPWS thanked the public for their cooperation. Boaters were reminded not to stop in the whale’s path and to follow instructions from control vessels. The situation returned to normal by midday. Ferry services resumed as the whale moved eastward.

Published 17-July-2025