This may be a bit generic...but you can give this site a look. It can at times be helpful in predicting the coming bite. You can check several days in advance and perhaps up your odds on hitting a good bite if your time is limited.
If you've got short, stubby fingers and wear reading glasses, any relaxation you would normally derive from fly fishing is completely eliminated when you try to tie on a fly. ~ Jack Ohman, Fear of Fly Fishing, 1988