The Blues have fallen short in four of the last five deciders, but weren't to be denied this time taking a three-wicket victory despite a nervy finish at Robertson Oval on Sunday.

Wagga City had the upper hand coming into the decider, with a draw enough to lift the cup, but it wasn't to be for the side looking to go from wooden spooners to premiers in a season.

Instead a brilliant bowling display led by Mitch Sykes (4-61) and Joel Robinson (3-40) had the Blues well on top as Wagga City were bowled out for 158 in the 86^th over.

It was in stark contrast to the major semi-final between the two sides, where the Cats made 6-344 from 97 overs before going to win by 145 runs, and they couldn't recover.

Captain Jeremy Rowe then took the game away from the minor premiers with some aggressive hitting at the top of the order for the Blues.

In a man-of-the-match performance, Rowe made 62 off 77 to have South Wagga well on the way to victory.

Despite losing 3-8 after Josh Thompson snared Rowe, and then a fourth when coach Joel Robinson (12) spooned a Thompson delivery onto his stumps, the Blues regathered their momentum as former Wagga City captain Warren Clunes (26) and Luke Gerhard (15) put on a 37-run fifth-wicket partnership.

However there was a twist to come as South Wagga lost three wickets with less than 10 runs required for victory.

In the end their batting depth showed as Nathan Cooke struck hit a boundary to end the premiership drought and claim their first title in nine seasons.

Rowe was thrilled to end his own grand final hoodoo and bring up the premiership in a special year for the club.

"It was an absolutely perfect way to end a centenary season," Rowe said.

"It's been a really special year for our club.

"The centenary night happened a few weeks ago, but it was a celebration for the whole year and the year has ended on the best possible note."

Winless in six grand finals, Rowe felt the win was a long time coming for the club.

While his effort with the bat was recognised, the wicketkeeper thought the match was won on day one.

The Blues have struggled to bowl out teams this season, but when it mattered most knew how to get the job done.

"People will probably remember today as it was the last day of the game, but the game was won yesterday to a certain degree," Rowe said.

"Joel Robinson and Mitchell Sykes just executed our plan we had coming into the game incredibly well.

"Plus Blake Harper managing to get a new ball wicket and we didn't drop a chance yesterday either so it was just execution from start to finish."

Harper (3-13) mopped up the tail on Sunday before the Blues got home with over 18 overs to spare.