Boyfriend was out all night and didn't call?

Friday evening, he went to grab some chips out of the pantry and I stopped him and said "no, those are for when we're drinking tomorrow night."

He said "huh? where are you going tomorrow night?" and I said "nowhere--you'll be here, won't you? We're drinking, aren't we?"

And he said "oh....yeah."

Yesterday morning he tells me he's going out on his friend's boat. That's fine. He did say that it would be a lot of fun, and that they were going to be docking at different bars, and invited me to come. I declined (not my thing).

I got one text from him yesterday at about 5:45pm saying that his phone battery was about to die and he'd send me pictures later.

I tried calling 5 times between 6pm and 10pm and he didn't answer. Also, his phone rang 6 times every time I called; if it's dead it always goes straight to voicemail.

I texted him about a dozen times. I got what I assume is a drunk text around 8:45 with just some random letters, so his phone obviously wasn't dead.

He NEVER came home. In fact, it's 1:15pm the next day, he's been gone over 24 hours now.

He didn't call me 'til 11am today and I was too upset to answer.

We don't live together, but he spends about 6 nights a week here and always lets me know when he's staying somewhere else (his house, a friend's, etc)

I texted him saying I was very upset and feel disrespected and don't want to talk to him right now and turned off my phone and left it in the car.

Am I over reacting?

Is this normal?

He's 34, I'm 28. We've been together nearly 2 years.