The Lake County saw off Offaly in Mullingar.
Westmeath booked their place in the final of the O'Byrne Cup on Saturday.
Mark McHugh's side secured a big win over neighbours Offaly as they the Lake County were 5-10 to 2-8 winners in Cusack Park.
Danny McCartan and Brandon Kelly scored two goals each, with Ronan Wallace also impressing with 0-3.
They now progress to the decider this Friday, with Kildare waiting for them after they defeated Dublin.
McHugh says his side put in a positive performance:
Mark McHugh spoke to Midlands 103's Gerry Russell after the game in Mullingar:
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