On four Island you will need a Pokemon that knows Surf.
The fifth badge is in Sootopolis City, you need Surf, Dive, and Whirlpool to get it
You need the soul badge that is obtained from defeating the Fuschia city gym leader Koga in order to use surf outside of battle.
In Pokemon FireRed, the badge needed to surf is the Cascade Badge. This badge is obtained by defeating Misty, the Cerulean City Gym Leader. Once you have the Cascade Badge, you can use the move Surf outside of battle to navigate bodies of water and access new areas in the game.
it's the badge from crasher wake
Cinnabar Island, you need to surf South from Pallet Town.
Articuno is in Seafoam Islands you need the HM Strength to get to it though and the HM Surf also you need the 4th and 5th badge.
4th
its in cinnabar island, south of pallet town use surf to get there it is a fire gym
3
On four Island you will need a Pokemon that knows Surf.
Teach surf to a Pokemon and click the water and it will ask u to surf. You will need a certain gym badge,though.
You need the correct gym badge(s) for your Pokemon to use Surf out of battle.
The fifth badge is in Sootopolis City, you need Surf, Dive, and Whirlpool to get it
You need the soul badge that is obtained from defeating the Fuschia city gym leader Koga in order to use surf outside of battle.
You have to trade it from Firered/Leafgreen in Pokemon firered/leafgreen you can find zapdos in power plant, but you need surf to get there.
it is behind rock tunnel but u need surf to get there