RNZ reports the event's manager, Steve Dunbar, said about 10,000 people watched the rugby yesterday.
That is well down on last year's Saturday attendance of about 14,000, and a far cry from previous years when tickets swiftly sold out.
Sir Gordon lamented the decline of the tournament.
"If you talk about Wellington, it's just like a ghost town, it's terrible, the atmosphere here is just a shocker," he said.
"I'm not saying that to be disrespectful - I think it's a well-run tournament and always has been - there's just not the people here."
