Sounds like what you already have will be fine for a first attempt. What model board do you have? I found my first few times out on a Freeride board were OK. Actually, now I count it up I've only been in the surf half a dozen times.

The most important thing is to pick a small day, around 1-3 ft (waist high), and side-onshore winds. I found dead-onshore winds made it tricky to get through the shore-break, or even launch. Offshore may be a bit dangerous for your first time.
And don't go out by yourself. I'm sure someone on here can tell you where to meet up.
Sailing in the surf is the best.