The easiest adjustment you can make is to simply add 1 degree of wing angle per 10 degrees of water temperature. That is, if it's 70 degree water and you're coming from 80, go to 9 degrees instead of 8. I run about 8 degrees during the summer in the south, but as soon as I get back into new england i go back to 9, or if it's winter in FL i'm running 9.

The next best adjustment would be to reduce the size of your fin. Using a pencil draw a line on your fin and reduce depth by .008, while trying to maintain the angle of the pencil line. (i.e., make the line disappear) This will compensate by adding tail slide for the coolder temperature, when the water feels thicker than when it's hot.

PS next wednesday you can come on out.