My SE and GT did the same on the rear pass door.
I used a sheet of paper to find the loose spots along the gaskets, my gaskets are like new.
I did what Bnaylor suggested, moved the door strike plate to tighten the door seal a little.
It fixed the SE but the GT, I believe, is leaking air from somewhere else
Most Body shops stuff a putty/waxy stuff under the seals to raise them enough to seal the leak(s) when moving the latch or striker doesnt work. Just my
Good Luck