The word waterward appears in the following sentences from Moby-Dick:
Chapter 1 > Paragraph 2 > Sentence 2:
Right and left, the streets take you waterward.
Chapter 2 > Paragraph 4 > Sentence 6:
I now by instinct followed the streets that took me waterward, for there, doubtless, were the cheapest, if not the cheeriest inns.
Concordance for the word waterward from Moby-Dick.