2/06 - 349 - The Mask That Hides the Heart (Kakashi ANBU filler Arc)
2/13 - 350 - The Death of Minato (Kakashi ANBU filler Arc)
2/20 - 351 - Hashirama Cells (Kakashi ANBU filler Arc)
2/27 - 352 - Rogue Ninja Orochimaru (Kakashi ANBU filler Arc)
3/06 - 353-354 - Special ~ The Boy Called Tenzou (Kakashi ANBU filler Arc)
***It’s unknown how long the arc will be officially, but some have say March 20th based off some picture from some magazine written in Japanese.
***Hayato Date - Naruto's anime director - posted on his twitter that the current plan is for canon to resume after the ANBU arc for the remainder of the year.
However it's always possible there may be some padded canon episodes to slow down the pace.
***Manga gap as of episode 348: 607/662 (55 chapters)