One of the nation’s busiest export hubs prepares to restart vessel movements after two days of climate demonstrations that brought shipping to a standstill.

Operations at one of Australia’s largest coal export ports are expected to resume on Monday, following significant disruptions caused by climate-focused demonstrations over the weekend.

The Port of Newcastle confirmed that vessel movements would restart as scheduled, reinstating regular activity after a series of interruptions affecting cargo operations.

The disruption began when members of the climate action group Rising Tide entered the harbour on Sunday morning.

Hundreds of participants reportedly paddled kayaks into the shipping channel, entering an exclusion zone that is normally restricted to commercial vessels.

This action marked the second consecutive day of protests at Newcastle Harbour, a crucial port located roughly 170 kilometres north of Sydney.

The harbour is regarded as the largest bulk shipping port on Australia’s east coast, playing a major role in the export of coal as well as other commodities.

The port operator stated that vessel operations—including cargo shipments such as alumina destined for Australia’s major aluminium smelter at Tomago—were halted in response to the demonstration.

General cargo movements were suspended as activists occupied areas designated for commercial navigation.

Rising Tide said that more than 100 people were arrested throughout Sunday’s event, although official confirmation of the exact number was not immediately available.

Earlier, authorities reported that 21 individuals had been taken into custody and charged with marine-related offences linked to the protest.

Climate action organisations continued to participate throughout the weekend.

Greenpeace Australia Pacific reported that several of its activists climbed onto a coal carrier near the port, temporarily preventing the vessel from operating as part of what the organisation described as peaceful action.

Representatives from Greenpeace stated that the demonstration was part of a broader call for climate awareness, with various groups and community members joining the effort.

The group noted that the protest aimed to highlight environmental concerns associated with coal shipments and Australia’s transition toward net-zero emissions.

Saturday’s events also saw significant disruption, with an inbound vessel being forced to turn back due to the presence of activists in the harbour.

Police made several arrests that day as well, continuing a pattern of heightened activity compared with last year’s multi-day demonstration that saw around 170 arrests.

Coal remains one of Australia’s most significant export commodities, alongside iron ore, making the Port of Newcastle a vital link in global supply chains.

Despite ongoing debates surrounding climate policy, the port continues to serve as a major logistics hub for the country’s resource sector.

Australia has committed to achieving net-zero greenhouse gas emissions by 2050, a pledge that has intensified national discussions surrounding the role of fossil fuels.

The recent protests underscore the tension between environmental advocacy and the economic importance of resource exports in the national landscape.

As operations resume on Monday, attention is expected to shift back to the port’s regular shipping schedule.

Authorities and port officials may continue reviewing protocols for managing disruptions, particularly as climate demonstrations become more frequent at major industrial sites.

The reopening is expected to bring relief to multiple sectors relying on consistent cargo flow, including mining, energy, and manufacturing industries.

However, the broader debate over Australia’s long-term energy strategy and environmental commitments is likely to persist well beyond this latest incident.