"it seems obvious" is correct and usable in written English. You can use it to express that something appears to be clear or evident. Example: "It seems obvious to me that the government should provide more resources to support those in need."
Now it seems obvious.
(In retrospect, of course, it seems obvious).
But theatrically, it seems obvious.
It seems obvious to him.
It seems obvious now that they wouldn't.
But to me it seems obvious.
It seems obvious what has happened here.
It seems obvious, but apparently it isn't.
It seems obvious, so why bother even asking the question?
Once you see this written out, it seems obvious.
It seems obvious: schools need to be cool.
Being a terminologist, I care about word choice. Ludwig simply helps me pick the best words for any translation. Five stars!
Maria Pia Montoro
Terminologist and Q/A Analyst @ Translation Centre for the Bodies of the European Union