Make whirlpools not freeze, or be visible under ice

[SnuggleSnail]

The mechanics of digging out whirlpools seem unnecessarily random/dangerous(to my pickaxe yielding alt), and title seems like the easiest fix

[shubla]

Or a better solution: Make them not appear if you dig them out. And problem is solved.

[ricky]

obvious solution is for wherlpools to respawn each spring

[shubla]

obvious solution is for wherlpools to respawn each spring

This would be interesting.
Although whirlpools are probably caused by shapes of land so it wouldn't really be logical.