Teach it the move Surf using HM3.
where to get surf in Pokemon fire red
HM1 CUT HM2 FLY HM3 SURF HM4 STRENGTH HM5 FLASH HM6 ROCK SMASH HM7 WATERFALL HM8 DIVE --/ninjax/
North of Mistralton City, on the northern end of route 7, you will run nto Cheren. After battling him, Champion Alder will appear. He will give you HM03 Surf.
Lapras can't learn surf through leveling you have to use HM3 which can be acquired at the end of the Safari Zone in Fuscia City.
you use surf, hm3, which can be found in the safari zone
Teach it the move Surf using HM3.
You can get HM3 SURF in the hidden cottage, you have to go to area three. It is not easy to get there, you have to do a lot of walking.
Inside the dance theater in ecrutek city defeat the kimono girls then talk to the guy with the rhydon to get HM3 Surf.
if its the hm surf, which i think it is, its in the saffari zone in the secret house, an old lady will give it to you
where to get surf in Pokemon fire red
HM1 CUT HM2 FLY HM3 SURF HM4 STRENGTH HM5 FLASH HM6 ROCK SMASH HM7 WATERFALL HM8 DIVE --/ninjax/
North of Mistralton City, on the northern end of route 7, you will run nto Cheren. After battling him, Champion Alder will appear. He will give you HM03 Surf.
phyduck
Buy a GameShark.
In the safari zone
First find the secret house then nearby there is an item its the golden teeth after taking it go inside the secret house and get HM3 surf.