Hi NewDiver,
I had a little anxiousness before my first night dive, I think that isn't uncommon (hence articles in magazines on the topic!).
To answer your questions -
- I did my first night dive after completing about 25 daylight dives.
Here's how I prepared:
- The couple dives just prior to my night dive I focused very much on buoyancy and other basic scuba skills. My thought at the time was that I wanted to be very very comfortable with my skills, I wanted them to be automatic, so that I wouldn't be preoccupied with basic diving issues at night.
- I dove with two lights: my normal smaller daytime zenon light, and a larger led designed for night diving. Having a backup light (on a retractor in my bcd pocket) made me feel a bit more comfortable
- I dove I site I knew (paradise reef, cozumel)
- I went with a largish group (six others, seven total) of people I knew, all of whom had done night dives before. With a larger group, you cannot help but see their dive lights, so there's minimal worry about losing your group or becoming separated. Also, several wore beacons and other devices that helped me spot them in the dark
And here's the kicker: my first night dive rates right up there as one of the very best dives I've ever done. Night brings out a lot of the predators and scavengers and other critters you don't normally see. Amazing stuff.