I don't think it's pressing because it's the postseason. He has stretches like this in the regular season each year too where he looks lost, has a lot of weak contact and expands his zone frequently.
If anyone is worried about the wind blowing out hard, IIRC the wind was also blowing heavily out during Lester's start against the Dodgers this year (9IP 1 ER)
Maeda has failed to go 6 innings in 11 of his last 15 starts and hasn't lasted 7 in any of the other 4 outings. He has a 4.25 ERA in the second half and struggled in his playoff start.