defeat the 5 kimono girls in the dance theatre in ecruteak city they give you a bell go to the whirl island (there are 4 or 5 i think so make sure you find the right cave) get through the cave and the kimono girls will be there there is a little scene then you battle lugia.
the tidal bell,and the silver wing
Once you have the Silver Wing and Tidal Bell you can go to Whirl Islands to catch Lugia.
In Pokemon Silver, Lugia is the first legendary Pokemon that the player encounters. It is found within the caves of the Whirl Isles once the player obtains the Silver Wing.
In order to get lugia you must get to pewter city and talk to the old man on the small hill he will give you the silver wing take that to the whirl islands and solve the puzzles to get to lugia he will be there at lvl 70A man in Pewter City will give you a Silver Wing, and Lugia will appear in Whirl Islands then
you can find lugia with the silver wing in the whirl islands
Once you have it, you can catch Lugia on Whirl Islands. It's the one at the bottom.
If your talking about Lugia from pokemon silver or SoulSilver then you need the silver wing for SIlver version. But for SoulSilver its a little different you will have to beat The kimono sisters then they you will have to meet them in the whirlpool islands watch a cutscene where they dance and lugia appear and fight Lugia where you can kill or catch it. But for HeartGold I dont remember how you get the wing for it but you must beat the game first before you catch Lugia.
No
get the silver wing
The Silver Wing in Pokemon Silver lets you interact with Lugia in the Whirl Islands to fight and catch it. Lugia can be found in the deepest part of the Whirl Islands.
you can get lugia in the wirl islands after you get the silver wing
Lugia can be found in whirl islands only if you have the silver wing.