How do you get a fishing pole in Pokemon sapphire?

to get old rod go to dewford town, then to get good on rod route 118 talk to a fisherman, to get super rod go to mosdeep look in all houses

MAMACITA257:

Go to Dewford Town all the way at the bottom, by the gym. There should be a man in a hat. Talk to him, and he will give you an old rod.