Bridgewater’s Mason Beck scored the overtime winner as the O’Regan’s Subaru Western Hurricanes edged the Joneljim Cougars 2-1.
The Hurricanes won the best of three playoff series, two games to one.
Lunenburg’s Will Chisholm scored the other goal.
With the victory, the Hurricanes secured a spot in the provincial championships from March 16-19 in Berwick.