Is it possible to practice surfing in your own pool with the surfboard, or is there another way of practicing?

Ummmm....no you cannot practice surfing in your pool. You can swim laps to work on your paddling cardio though.

you can practice your standup, but you cant surf.

Well for standing up quickly that's probably the best way you can train without actually surfing... Just be careful of ya board hitting the sides when ya fall off! To practice carving on the wave and stuff, skating down a hill and turning is the best training you can do.

You can practice duckdiving and paddling. That's about it.

you can practice paddling and duckdiving..or just to help you get the feel of paddling on a board. i do it sometimes in my pool

yo can practice your duckdive, which will be great when you get out surfing. and you could make or buy an Indo board. to make one, all you need is a pipe with a 6 in. diameter, and a board, such as a skateboard deck.

i guess if you want to practice popping up go for it