The Hammers this northern summer lodged a bid to lease the stadium in Stratford for 99 years after their original bid to move to the London 2012 venue collapsed last year after a number of complaints.
If the promoted Premier League outfit, which is one of four bidders under consideration, was to move it would mean leaving its
However, former England striker Hurst, who spent most of his playing career at West Ham, is convinced it would be the right decision.
"Absolutely, (I'm) 1000 per cent in favour, nobody's got a greater feeling about West Ham United at
"We want to move on, we want to be in a bigger stadium with more access, we want to be a top Premiership club.
"With the support we get, which is fantastic, we should be mid-table and above in the Premier League, we don't want to be yo-yoing up and down, as we've been doing.
"And I strongly feel, and I hope I can convince all the West Ham fans that I meet, that is where we've got to go.
"It's still in our manor, to use an old east London expression, it's up the road, it's better access, it's an absolutely magnificent stadium."
The 1966 World Cup winner added: "I'm sure in the long term it is far far more beneficial for the club and I think the future of the club should be at the Olympic park.
"I just feel so strongly that's where we've got to go."
English Premier League
An Edin Dzeko double and a late Micah Richards winner helped Manchester City secure an astonishing 4-3 win over Chelsea in St Louis.