NSW officials say Graham Murray will see out the remainder of the Origin series but a decision on next season's coach will be delayed until the end of the year.

Murray's tenure is almost certain to end after he became the first coach to guide the Blues to four straight Origin losses with Wednesday night's 10-6 loss to Queensland at Telstra Stadium.

The win was Queensland's first in Sydney since 1998 and handed the Maroons back-to-back series wins for the first time since the late 1980s.

Defeat also left Murray with one of the lowest winning percentages for a Blues coach, shading only John Peard's 0-3 effort in 1988 as the worst of all time.

But NSWRL general manager Geoff Carr confirmed Murray would still be in charge of the Blues at Suncorp Stadium on July 4.

"There's no doubt whatsoever he'll be there for Origin three," Carr said.

"As far as we're concerned Muz was appointed for 12 months, he's going to do Origin three as far as we're concerned.

"Then we'll allow the club and the coach to reassess their position.

"We'll wait until about December to make a decision on next year."

Asked if Murray's days as NSW coach would be numbered after Origin III, Carr said:

"The board hasn't even considered the coaching position beyond this year."

Murray refused to speculate on his position but has conceded the writing was on the wall after four losses from his five games in charge.

"That's true - in first grade footy I've been around that for a long time, you've got to be successful," Murray told reporters on Thursday.

Melbourne coach Craig Bellamy and Wests Tigers' Tim Sheens are seen as favourites to take over the Blues next season.

The two are already involved at representative level with Bellamy the Country Origin coach and assistant to Kangaroos coach Ricky Stuart while Sheens has been in charge of the City Origin side for the last two seasons.

But Sheens refused to answer any questions about the position, arguing that it was not fair with one game still to go in this year's series.

Sheens has already had one crack at the NSW post, guiding NSW to a 2-1 series loss in 1991.

He also coached the NSW Super League side in the 1997 Tri-Series involving Queensland and New Zealand.

Bellamy was believed to have had strong support at NSWRL board level to take over before this year's series.

The board eventually opted to give Murray a chance to atone for last year's dramatic loss in the decider at the Telstra Dome but consecutive series losses are unlikely to be tolerated.

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