Wii U/3DS maintenance taking place later today

A new round of maintenance is expected to take place later today (tomorrow depending where you live) for the online services pertaining to both Wii U and 3DS. The two platforms will be seeing downtime between 9 PM PT and 12 AM PT (12 AM ET and 3 AM ET). Fortunately, the maintenance period seems to be relatively short.

Source, Via 1, Via 2