NO!!!! I don't understand a word....

Hehehe I always asked this question too. The answers I got were that it is easier for Portuguese speakers to understand Spanish and Italians but more difficult for the Spanish/Italians to understand the Portuguese. I always wonder why that is too. When I started to learn Portuguese (although I am still a beginner), my Italian and Spanish songs made a lot more sense to me. It's very strange but I love it!

Hello Lozan, I have known quite some Spanish people who spoke or at least understood Portuguese. Both languages are similar.For example I am learning Spanish and I can understand many words and phrases in Portuguese ,so I assume Spanish native speakers will manage to understand even more.

Years ago, I have had talk to the secretary in Spanish at the Portuguese consulate, we understand each other.

Most and mostly. But it's very tricky. Written is easier than spoken, obviously. If the person speaks unclearly and with a peculiar rhythm, however, what is very common among Spanish speakers, it may get very hard.