Can’t go through nether portals

I am trapped in the nether. 
Earlier today I went into the nether and the portal was a little funky. It took me a few tries to get through the portal from the overworld but I eventually made it through. Now I can’t get back to the overworld through the portal. No matter how I try to go through it doesn’t give me the shaky screen or anything. So I’m trapped here. I refuse to die and lose all my stuff. Help please?