Patience shared this bit of news this afternoon:

We will be deploying a patch to all worlds on Thursday February 28th from 8:00am EDT - 10:00am Eastern (-5 GMT). During this time all worlds will be down. We apologize for any inconvenience this may cause players.

In addition https://myaccount.turbine.com/ will be down from 10:00AM EDT - 12:00PM EDT. During this time, players will not be able to access account maintenance.