Get it from Celestic Town where Cynthia's (the champion) Grandma lives. Beat a Team Galactic Grunt then explore the ruins about three trios. After that you get the Hm Surf from Cynthia's Grandmother. But she said that you need to win the Hearthome City Badge first.
cynthias grand mother will give it to you after you save there village from a bomb
surf is a hm. It is unlimited.
go to celestic town and then go into that little cave,talk to the old lady inside and she will give you hm surf.
one of the gym leaders give you it
You get HM Surf and surf there
its suppose to be surf
Celestic Town
there is no dive HM in DP but the water related ones are surf and waterfall
cynthias grand mother will give it to you after you save there village from a bomb
surf is a hm. It is unlimited.
go to celestic town enter in the cave talk to the woman and you have the hm surf
surf left of jubilife to canalave
Read the inscription at the back of the Celestic Town Ruins, the Village Elder will join you and give you the Surf HM.
on Pokemon dimond there isn't a move caled dive. but there are a hm called surf and waterfall.you cant
Surf and Rock Climb.
go to canalave city and challenge the gym leader
I think you get it from one of the gym leaders. Sorry if i'm wrong i haven't played that game in a while.