I logged off last night after doing a fractal, went to log in this morning and was prompted to change my password. Logged in shortly after and found my character sitting in the water with 3 out of 4 of my weapons gone. Please respond.
This sounds as if your account was compromised. I suggest you contact Support by filing a ticket through the “Ask a Question” tab on that linked page. They will be able to assist you. For tips on what information to provide in a ticket, please read this post.