Welcome to Lostpedia Answers. What would you like to know?

It's possible that he studied weather patterns while training for his walkabout, but most likely he knew due to his special connection with the island.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.