The Power coach was admitted to hospital on Wednesday night after complaining of severe back pain. Hinkley received medical advice on Thursday, urging him not to travel to Hobart.
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Stand-in coach Alan Richardson will take charge of the unbeaten side, with Hinkley remaining in Adelaide to recover from the virus.
Port Adelaide received confirmation from the AFL on Friday morning that Hinkley would be allowed to be in contact with his team during the game.
"We have spoken to Port Adelaide. We have given permission to their coaching staff, if Ken wants to talk to them pre-game and half-time in the rooms," AFL spokesman Patrick Keane told AFL.com.au.
"And if he wants to talk to someone who is in the coaching box, during the course of the game, that will be fine."
AFL rules stipulate that a phone cannot be used to speak to anyone on the interchange bench or with a player on the field.
Richardson said he had already spoken with Hinkley in hospital, with the first-year coach presenting the stand-in with some valuable research.
"He'd done all this incredible work and he said 'you can use it or you don't have to use it'," Richardson told SEN Radio on Friday morning.
"I'll certainly use most of it. I'd hate him to find out that I didn't use any of it."
Port's had three emotion-packed wins in three of its past four games - the John McCarthy Tribute game against GWS, the Showdown win over Adelaide and the 41-point comeback win against West Coast last weekend.
Richardson said the players would not allow the emotion to affect their mindset.
"There's been some real maturity shown, in terms of the way the guys have responded as a leadership group," he said
"There are some really strong practices in place. I'd be surprised if it had any negative impact, in fact I think it would go the other way, it just grows a little bit more belief."
Ben Guthrie is a reporter for AFL.com.au. Follow him on Twitter: @AFL_BenGuthrie
