Monk will meet chairman Huw Jenkins this week to finalise terms on a deal expected to see him stay in charge.
"It's probably one of the worst kept secrets," former Wales striker Curtis said. "I think it's been discussed but it just needs to actually come out in the open.
"We just need final closure on it really and we can move on and start preparing for next year.
"Once we get the clarity of Garry being confirmed then we can start making decisions."
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