Prime Minister John Key has released details of next month's visit by Prince William.

After arriving in Auckland on Sunday,17 January, Prince William will visit Eden Park to see the redevelopment work and be briefed on plans for the Rugby World Cup.

He will also go sailing on the Waitemata Harbour on the America's Cup yacht NZL40 and enjoy a hangi at Government House.

Prince William will fly to Wellington on Monday, 18 January, where he will represent the Queen at the opening of the new Supreme Court building.

Other activities in Wellington include a wreath laying at the National War Memorial in Buckle St, a barbeque hosted by the Prime Minister at Premier House, and a visit to Wellington Children's Hospital.

Members of the public will have a chance to see Prince William when he does a walkabout after the Supreme Court opening.

Prince William will leave for Australia on Tuesday, 19 January.