There are great speedwindsurflocations. If you should ever come to Europe, then Franqui / FRance is a great spot to get your speed records.
Here a spot impression.
Have fun watching!
What are your favorite speed spots?
Cape Hatteras, NC. The Sound side on an east wind. I was just feet from shore in the buzzed water almost going to glass. Water depth knee deep. Strong steady wind, not a gust in it. Overpowered 5.2 Gaastra speed sail. Folks lined the shore to watch us. People's faces would just whiz by.