U have to go to mount pyre
by having strong Pokemon
Wailmer evolves at level 40 into Wailord
you go north from where the wailmers are there are two guards talk to the one on the right find the boss and defeat him the wailmers will disappear
Surf right from Lilycove after beating the team Magmas Base
You don't get it in Sapphire, only Ruby and Emerald
to get past the wailmer go to mt. pyre (if not already done) then goto mt. chimney
just walk in front of the stone when you have there emblem
You use it to get groundon activated
near the cavern of team aqua! rout 128!
You can't get whirlpool. It is no longer a HM or even a TM. On the otherhand, (if you want it that bad) I have seen Wailmers use it battle.
there are no move tutors in Pokemon ruby yes there is there is one in fallabar town
Pokemon Ruby in the Cave of Origin after getting your seventh badge. AT THE UNDER WATER CAVE A.K.A.TEAM MAGMAS HIDEOUT