Will Forward or Forwards?

Forward is an adverb, an adjective, a verb and a noun. Forwards is a variant form of the adverb and is becoming rare.

Is it going forward or forwards?

Going forward or going forwards? Both are correct. “Forwards” is a variant spelling of the adverb (not the adjective) “forward”. ... So you should say: “I am looking forward to....” When you are using “forward” as an adverb, however, you can pick which one you prefer.

Is forwards grammatically correct?

The preferred form is without the -s in American English, with it in British English. The same is true for other directional words, such as upward, downward, forward, and backward, as well as afterward. The use of afterwards and backwards as adverbs is neither rare nor incorrect.