So, I have been trying to learn how to interpret beach conditions. It is easy to recognise spilling waves and plunging waves, but surging waves are a little harder (possibly because there are no surging waves - hence why I can't identify them).
I am aware that a surging wave is essentially a wave whose bottom half is unable to support the top half and so it essentially slides forwards and the whole wave collapses.
1. Can a surging wave start to break as a plunging wave before the bottom gives out?
2. When the bottom of a surging wave gives out, does it always look foamy?
The waves that I think might be surging waves begin as plunging waves and then they rush forward as white foam. But I can't tell if that is simply from the plunging wave crashing down or if it is the bottom of the wave collapsing and rushing forward as the top of the wave also comes down. Basically the only reason I suspect that I am seeing a surging wave is because these waves I see rush forward like I have read surging waves do. So for example, I mean see a couple of waves that are clearly plunging waves and then suddently the plunging wave comes forward further and faster than the previous waves...
Another question: what does a surging wave tell me about the beach (other than that the water is deep)? Deep want is not necessarily dangerous water right? Especially as it sounds like surging waves would push you towards safe. My interpretation would be a beach with surging waves (and no rocks) would be reasonably safe for adults because even if you get in to trouble the waves will bring you in to shore - kind of like a reverse rip current.