The devs have scheduled hardware maintenance for Origin tomorrow.
Origin will be taken offline at 11am Eastern/10am Central for hardware updates (upgrades), and should be back online before 6pm Eastern.
At 12am Eastern, character transfers will be disabled, due to the upcoming Publish 69 (update: Publish 69 details). Transfers will restart tomorrow, the 16th, at 8pm Eastern
Update: Origin is back online.