Dal Zotto, Chrismont, La Cantina and King River Estate wineries are among the businesses that have chosen to stay closed because of the Abbeyard fire that was yesterday travelling towards the King Valley.

Alison Lloyd from Wines of the King Valley said the wineries were heeding the Vic Emergency advice, but hoped that with no issues over the weekend, they could be back open by Monday.

The next step will be assessing the possibility of smoke taint to the grapes from the bushfires.

Vignerons will meet with the Australian Wine Research Institute and La Trobe University at Brown Brothers in Milawa on Wednesday to get an accurate reading on the region's smoke concentration.

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"We'll be able to compare that to the research about things like grape physiology and smoke composition to determine whether there will have been an effect on the grapes ... We'll be able to assess all of those with the leading experts in the field," Ms Lloyd said.

"In a lot of cases the smoke that we're looking at has come from far away and that can mean that it's not going to make an impact, it's not fresh smoke."

She said with the loss of tourism during a busy period, and the missed economic benefits for the whole King Valley, it was hoped visitors would return later in the year.

"If we could see more people coming back in June for the Queen's birthday weekend, that will be really important to our recovery," she said.