Extreme weather is hampering the search for a Brisbane man missing in the Japanese skiing town of Niseko.

A man who says he is a friend has named the missing man on a Japanese skiing website as Scott McKay from Brisbane, but Australia's Department of Foreign Affairs and Trade (DFAT) has not confirmed the man's identity.

The 27-year-old was drinking with friends early on Friday morning.

He was last seen saying goodbye to them before he began walking home.

Police, friends and local residents are involved in the search.

Digging equipment has been brought in but heavy snow, strong winds and sub-zero temperatures have been hampering efforts.

The Japanese skiing websites also contain postings by people pleading for help to find Mr McKay.

One says it is out of character for him to go missing.

DFAT says the man's family has flown to Japan and are receiving consular assistance.