Hi,
Scenes like this are nothing new. Around some of the river mouths at the lakes in New Zealand (particularly famous on Lake Taupo) are the "picket fences" of fly anglers. Basically, people line up, more or less shoulder to shoulder, and fish the rip. It's very different to river fishing, and not for everyone, but again the fellows are usually very friendly and will help someone new to the technique. There's often lots of banter and chatter when the fishing is slow, but once it picks up, a lot of fellowes get into some good sized fish.
- Jeff
P.S. Got called away before finishing this. What I meant by "nothing new" was that the picket fences in NZ have been talked about since the 30s and 40s. I've been reading a few books by fellows who fished back in the 30s and 40s, and this is just how it's been "forever" in some places, so to speak. Personally, I'm more inclinde to find a less crowded location, but I've fished river mouths before and it can be fun in a different way.