Whirl Islands

11 species to catch in 4 areas of this location, across 5 game versions.

Data from Pokemon Crystal only: exact levels and the encounter rate for each Pokémon.

in tall grass

Conditional slots 12 for 4 species — time of day, weather, radio and other switches

The game keeps these slots separate from the base ones. Condition sets exclude each other (it cannot be morning and night at once), and the source does not say whether a condition adds a slot or replaces the whole table — so we list them row by row instead of adding them to the rate on the tile.

Pokémon	Conditions	Level	Rate
Zubat	during the day	23–26	100%
	in the morning	23–26	100%
	at night	23–26	100%
Golbat	at night	23–28	32%
	during the day	25–28	20%
	in the morning	25–28	20%
Seel	in the morning	22–27	96%
	during the day	22–27	96%
	at night	24	10%
Krabby	during the day	22–27	100%
	in the morning	22–27	100%
	at night	22–27	100%

while surfing (Surf)

with the Good Rod

with the Old Rod

with the Super Rod

static, set by the game

The red marker is Whirl Islands. A diagram, not a world map — distances are not to scale, but directions and connections match the game. The legend below the drawing explains each symbol.

• Route — number inside
• Sea route — Surf only
• City
• Interior — cave, forest, tower; placed next to its entrance
• Path between places
• Path that requires Surf
• Entrance to an interior — not a passage to the other side