you must save the zora boy. his dead mother will then give you a new piece of clothing to wear. it will allow you to breath underwater.
you get it in the temple at the bottom of lake hylia
you can get it in lake hylia i think so.
At the underwater temple, beneath lake Hylia.
I'm pretty sure its at lake hylia, if not, figure it out.
Get the silver scale in Zora's Domain, then go to Lake Hylia through the warp door. The letter is near the door at the Lake Hylia end.
lake hylia
you need to go to the lakebed temple in lake hylia
You need to get the Longshot, the main treasure in the Water Temple in Lake Hylia
Fyer is in Lake Hylia, and owns the cannon business that floats on a platform in the middle of the lake.
You find them in Zora's Domain, Castle town and Lake Hylia
In "The Legend of Zelda: Ocarina of Time," the Lake Hylia Spirit can be found near the entrance to the Lake Hylia area. To locate the spirit, you need to play the Song of Storms on your ocarina near the nearby windmill to create a rainstorm, which will reveal the spirit. Make sure to have the appropriate items and abilities to navigate the area effectively.
You must beat the water dungeon, then talk to the canon guy in lake hylia.