Your surfing wisdom needed, please.

Hello.
I'll get to the point. I'm writing a novel, a very long futureworld sci-fantasy style book, and I'm probably about three or four chapters from the end.
One of my chapters is going to be set on a surf world which is not exactly a planet, it's more of a freestand complex in space, dedicated to the delights of surfing. The story is set in the years 2303-2304 (although I may tweak this later.)
There won't be a great deal of the action showing real surfing taking place, but a small amount, and I wondered if any of the good people of the surf community on your forum would be prepared to help me with a couple of questions. Maybe, if I say please?
I'm not a surfer myself and I have never surfed with a long board, but I have done some with a body board, I know it's kid's stuff as far as you're concerned but I found myself staying out there for hours on end and it really got into me. I thought to myself, if I could go back and whisper into the ear of my younger self I would say "Take up surfing!" (My younger self wouldn't have done it, of course, because I was a bookish, sport-and-sunshine-shy wimp, but that's irrelevant.)
These are the magnificent questions:
1. How good would an active, fairly sporty type of male, aged 23-ish, who had been training with a long sword for six months and previously at a ball game similar to squash, become at surfing in a single day. What is the best I could expect someone to do in that short length of time? Someone who was generally quite gifted at sport and had good co-ordination. A fairly spiritual type, although he doesn't realise it.
2. Same question but for a person of the same age who had spent most of his life studying and only swimming for exercise, at which he was pretty good, but then started to train with a long sword for about a year. Very intelligent and focussed, introverted individual, who has been forced to overcome his retiring nature.
3. Same question for a 18 year old male who is pretty tall, thin and gangly and who used to be keen on sport but got involved with drugs and lost his fitness, who has gone straight and been training half-heartedly with long swords for about a month. But isn't very good at it. How much worse would he be than the others, or would it be simply the luck of the draw, he could turn out to be as good or better than them? He has less co-ordination.
4. A woman of 18 who has been training as a police officer for six months and is very intelligent, active and co-ordinated. She excelled as a cadet and is a bit of an all-rounder.
(Sorry. These questions are dumb, I know. I just don't want to suggest the characters can suddenly surf after a few hours' lessons when they probably couldn't.)
Which of these characters do you think would be most likely to be a good surfer? Or showing signs of it? Which ones would the instructors take to and which wouldn't they? As far as the plot goes, it's completely irrelevant who is good and who isn't, so I thought I'd do this bit of research and tap into the great surf wisdom which is surely out there somewhere. I just want the characters to remain true to type.
And in case you were wondering, the surf dudes and dudesses (Look, I won't know the proper terms until you tell me, will I?
) will be portrayed in a positive manner, even though it may not always seem that way. Because things are not always what they seem. But the surf ethos (Or what I imagine it to be) will be upheld, in its own way.
I will be back with more questions about that kind of thing later, if this goes well.
And about your thoughts on the future of surfing in the distant future.
I hope it's okay to ask this, my apologies if anyone feels I have no business here.
Thanks!
I'll get to the point. I'm writing a novel, a very long futureworld sci-fantasy style book, and I'm probably about three or four chapters from the end.
One of my chapters is going to be set on a surf world which is not exactly a planet, it's more of a freestand complex in space, dedicated to the delights of surfing. The story is set in the years 2303-2304 (although I may tweak this later.)
There won't be a great deal of the action showing real surfing taking place, but a small amount, and I wondered if any of the good people of the surf community on your forum would be prepared to help me with a couple of questions. Maybe, if I say please?
I'm not a surfer myself and I have never surfed with a long board, but I have done some with a body board, I know it's kid's stuff as far as you're concerned but I found myself staying out there for hours on end and it really got into me. I thought to myself, if I could go back and whisper into the ear of my younger self I would say "Take up surfing!" (My younger self wouldn't have done it, of course, because I was a bookish, sport-and-sunshine-shy wimp, but that's irrelevant.)
These are the magnificent questions:
1. How good would an active, fairly sporty type of male, aged 23-ish, who had been training with a long sword for six months and previously at a ball game similar to squash, become at surfing in a single day. What is the best I could expect someone to do in that short length of time? Someone who was generally quite gifted at sport and had good co-ordination. A fairly spiritual type, although he doesn't realise it.
2. Same question but for a person of the same age who had spent most of his life studying and only swimming for exercise, at which he was pretty good, but then started to train with a long sword for about a year. Very intelligent and focussed, introverted individual, who has been forced to overcome his retiring nature.
3. Same question for a 18 year old male who is pretty tall, thin and gangly and who used to be keen on sport but got involved with drugs and lost his fitness, who has gone straight and been training half-heartedly with long swords for about a month. But isn't very good at it. How much worse would he be than the others, or would it be simply the luck of the draw, he could turn out to be as good or better than them? He has less co-ordination.
4. A woman of 18 who has been training as a police officer for six months and is very intelligent, active and co-ordinated. She excelled as a cadet and is a bit of an all-rounder.
(Sorry. These questions are dumb, I know. I just don't want to suggest the characters can suddenly surf after a few hours' lessons when they probably couldn't.)
Which of these characters do you think would be most likely to be a good surfer? Or showing signs of it? Which ones would the instructors take to and which wouldn't they? As far as the plot goes, it's completely irrelevant who is good and who isn't, so I thought I'd do this bit of research and tap into the great surf wisdom which is surely out there somewhere. I just want the characters to remain true to type.
And in case you were wondering, the surf dudes and dudesses (Look, I won't know the proper terms until you tell me, will I?

I will be back with more questions about that kind of thing later, if this goes well.
And about your thoughts on the future of surfing in the distant future.
I hope it's okay to ask this, my apologies if anyone feels I have no business here.
Thanks!