Maintenance for the week of March 25:
• [COMPLETE] ESO Store and Account System for maintenance – March 28, 9:00AM EDT (13:00 UTC) - 12:00PM EDT (16:00 UTC)
I would suggest looking in a raiding guild. Even if it is a more casual raiding guild you are more likely be able to find people to run with regularly. If you are not in one as a tank then the question is why not? (do not really need an answer to that question)