Why Formula (a/k/a "Flying Door") is popular in the Bay

If you want ramp it up a notch on those light wind days, try Formula,100cm wide board, sail size >=9m2 and 70cm fin will give you a stable sailing platform with a potential to cruse winds in 6-25 knot range, with huge upwind/downwind angles you get to explore the WHOLE sailing area, with great average speeds and plenty of power you’ll blast through every lull the wind will throw your way, and as a side BONUS, Formula windsurfing, if done regularly, will get you in the best shape of your life.

Of course, don't forget that Formula is a popular and challenging racing format, you can participate in PRO-AM races throughout the year.