The awards encompass a 12-month timeframe which includes the 2017-18 northern hemisphere season and the 2018 southern hemisphere season.
The trio have been nominated for the top award in their respective disciplines, and are likely to battle it out for the honours of overall athlete of the year.
Porteous’ gold-medal winning halfpipe performance at last month’s Winter Games, backing up his Olympic bronze, could give him the edge over his rivals.
He is up against fellow Wanaka freeskiers Beau-James Wells and Finn Bilous for freeskier of the year, while Sadowski-Synnott comes up against Christchurch’s Carlos Garcia-Knight and Queenstown’s Tiarn Collins for the snowboarder of the year award.
Hall has been pitted against Paralympic teammates Corey Peters and Carl Murphy for the adaptive snow sports athlete of the year award.
Wanaka athletes Sam Lee, Craig Murray and Maria Kuzma are the nominees for freerider of the year.
Sixteen-year-old Campbell Wright, of Wanaka, the only nominee for cross-country skier of the year.
The breakthrough season of the year award will go to one of freeskier Ben Harrington, freerider Hank Bilous, snowboarder Tiarn Collins, and alpine ski racer Piera Hudson.
Coach and instructor of the year will also be awarded.
The ceremony starts at 7pm at the Lake Wanaka Centre.
