There are states of emergency all up-and-down the East Coast.
In New York, Gov. Andrew Cuomo declared a state of emergency earlier this afternoon. North Carolina has already evacuated 200,000 people. And in New Jersey, Chris Christie is urging a voluntary evacuation of the Jersey Shore, and not just because it's an awful place.
Astronauts say the hurricane, which you can see in the video above, looks "terrifying" from space. Keep in mind these people sit on top of a giant rocket and get hurled into space for a living.
But don't panic.