You might wear surgical gloves (the kind you buy by the box at a pharmacy) under your fingerless gloves. You'll know how warm they are keeping your fingers when you discover how cold one of your fingers is from having snagged the tip of its glove. I don't know if the effectiveness of those flimsy little gloves is protection from wind, water, or both -- but they sure work, and it takes only about two flies to get used to tying knots with them.