Dictionaries disagree with you, e.g. http://www.collinsdictionary.com/dictionary/english/wharf http://www.collinsdictionary.com/dictionary/english/wharf I fear

Dictionaries disagree with you, e.g. http://www.collinsdictionary.com/dictionary/english/wharf http://www.collinsdictionary.com/dictionary/english/wharf I fear you've been taken in by some creative tour guide! A wharf does not require a wharehouse, you'd think that would be a hint to some people.