Bethesda released a trailer for Far Harbor today, as well as some specific dates and details regarding free updates.
In addition to Far Harbor, Bethesda announced that the 1.5 update which includes an overhauled Survival Mode is coming to consoles this Friday, May 6th.
Its largest DLC pack to date, Far Harbor is on the horizon, as are mods for consoles, and the long-awaited revamp of Survival Mode is also traveling from PC to consoles.
Far Harbor is included in the Season Pass, but it can be purchased separately for $24.99.