Pacific countries have pledged aid and offered support to Australia as devastating bushfires continue to rage across the country.

Key points: Vanuatu pledges almost $250,000 to Australia's bushfire crisis

Vanuatu pledges almost $250,000 to Australia's bushfire crisis Seasonal workers from the Pacific are in limbo due to fires

Seasonal workers from the Pacific are in limbo due to fires Australia has donated to Pacific natural disasters but disappointed on climate change stance

Several Pacific leaders took to social media to offer thoughts and prayers, as well as emergency funding and personnel, in light of the ongoing bushfire crisis.

In a Facebook post, Vanuatu's Acting Prime Minister, Jotham Napat, said the government would commit 20 million vatus (almost $250,000) "to assist bushfire victims in Australia".

"As a Pacific neighbour and friend, we have watched as Australia has been devastated by these horrific bushfires," he wrote.

"We offer whatever assistance we can in this time of need, as Australia has always done in ours."

Vanuatu Deputy Prime Minister Jotham Napat. ( Supplied: Facebook )

Australia gave $50 million in aid to Vanuatu after Cyclone Pam lashed the Pacific island nation in 2015, killing 11 and affecting 195,000 people.

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Australian Prime Minister Scott Morrison last year pledged that $500 million would be redirected from existing aid programs in the Pacific to help nations invest in renewable energy and "climate and disaster resilience".

Mr Napat expressed the country's "profound sympathy and concern" for Australia.

"We have watched in awe at your volunteer rural fire service as they have given up their own time, their holidays and most tragically some of them their own lives, during this terrible crisis."

Some Vanuatu seasonal workers have been directly impacted by the fires and are currently in limbo in Wagga Wagga, unsure of their future in Australia.

A group of 48 were working on farms in Batlow, in the south of New South Wales, but were moved last Tuesday.

The farms they were working on survived the weekend fires but group spokesman James Walau said it is not safe to move back at the moment.

Meanwhile, Papua New Guinea has offered 1,000 personnel, including soldiers and firefighters, who "stand ready to be deployed" at Mr Scott Morrison's invitation.

"Papua New Guinea conveys our sympathies, sorrow and grief in your moment of pain," Prime Minister James Marape wrote on Facebook.

"Australia is the closest friend of PNG and is always the first in PNG in our times of adversities and we offer our hearts and our hands to you in this time of fire-induced tragedies."

PNG also set up a Fire Appeal Secretariat to assist Australia, with Mr Marape the patron overseeing the fundraising effort.

At the Pacific Islands Forum, Scott Morrison met Pacific children who were sitting in water to demonstrate the danger of rising sea levels due to climate change. ( Twitter: Pacific Islands Forum )

PNG politician Timothy Masiu urged people in Bougainville — which recently voted for independence from PNG and may become the world's newest country — to donate, pledging 50,000 kinas ($20,000) to the appeal.

Private enterprises are donating too, with Weta Coffee in Fiji saying it will donate all its coffee proceeds from Monday, January 6 to Australia's firefighting efforts.

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Fiji's Prime Minister, Frank Bainimarama, who is an outspoken climate activist, also offered words of support on social media.

"Whenever Fiji is devastated by national disaster, Australia has shown that they are 'vuvale' — our family — by quickly stepping up with aid and on-the-ground assistance," he said, saying the country would never forget Australia's assistance after the devastation of Cyclone Winston in 2016.

"Our hearts break with every new headline and photo that tell yet another story of suffering, and we mourn every life lost to these fires with immense sadness.

"We see the strength of your national character in the courage of your firefighters on the frontlines of the bushfires and, despite the immense pain that you are going through, we have great faith that your country will heal with haste. Australians are in the prayers of every Fijian."

Mr Morrison in a press conference yesterday noted the worldwide reaction to the bushfires, saying "thank you very much for your support".

Fiji Prime Minister and prominent climate change advocate Frank Bainimarama said Australia was part of the Pacific "family". ( ABC News: Tamara Penniket )

Donating to climate catastrophes

Pacific analyst Tess Newton Cain, from the Griffith Asia Institute, said although many Australians might be used to giving aid to the Pacific, not receiving it, the offers were "not surprising".

"It's not surprising to see Pacific Islanders and Pacific Island countries wanting to reach out and offer their support at this time," she told ABC's Pacific Beat.

"I think it actually speaks to something a lot more long-standing and deeply felt, which is the value that is placed on the relationship with Australia by Pacific Islanders," she said, highlighting that many in the Pacific wanted the relationship to be "one of equals" and saw an opportunity to "give back".

While stars like Pink and Nicole Kidman have pledged $500,000 apiece to the bushfire crisis, and Australian comedian Celeste Barber has raised $33 million, Dr Newton Cain pointed out that to these smaller nations, the donations amounted to large sums.

Australia recently disappointed its Pacific neighbours at the Pacific Island Forum, where Mr Morrison was criticised for putting coal before Pacific countries and the existential threat they face due to rising sea levels and climate change.

Dr Newton Cain said the Pacific leaders' offers of help did not contain a "told you so" mentality but, at the same time, she suspected they would hope that Australia might change its climate stance in the wake of the fires.

"I think within the Pacific there will be an expectation that perhaps Australia's position will be a bit more aligned with the one that they've been putting forward for quite some time," she said.

"They would certainly hope that events such as we've seen over the last few weeks would have created perhaps a new and different conversation within the Australian policy community.

"I don't know whether the Pacific's going to be disappointed on that score, but I think it is something that we would expect to see further down the track."

The Department of Foreign Affairs and Trade has been approached for comment.