Hi, jamie91, and welcome.
You've asked a very big question for a first post!
The points you've mentioned already are all important. Speaking as (primarily, these days) a loch/spate river fisherman I'd add the following for starters:
As you say, wind is a major consideration. Some lochs perform best with a certain wind direction, so this can determine where I choose to fish.
When loch fishing for salmon from the bank I want to be on the lee shore as the fish like to lie in the shallows with their noses 'into the waves'. In a bit of a blow I'll use an 8 wgt, 10ft, single handed rod to punch the line out but usually a 7 wgt will suffice.
Local knowledge can be invaluable, as can a bit of research before you visit. For me, this used to mean scouring old Trout & Salmon mags for relevant articles, studying O.S. maps and wading through my fishing books. It was fun in a way .... but these days - gawd bless the Net!
If possible, tackle up facing the water. You never know what you might see rising while you do.
If you can bear to, spend 10 minutes just studying the pool or bay you're about to fish looking for movement, likely lies and, if wading, your route in, down and out.
If on unfamiliar water turn a few stones over in the shallows and look for insect life to mimic with your flies. Also, check the bank-side vegetation, kick up the heather and see what naturals are about.