The tack is the counterpart to the jibe ( HERE there's a tutorial on jibing) and a 180 turn to windward.
If you have mastered normal sail control with luffing and dropping, you can tackle this manoeuvre without any problems. In this clip, you can find out what you should look out for when practising and where the typical mistakes lurk:
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Editor surf
Manuel Vogel, born in 1981, lives in Kiel and learned to windsurf at the age of six at his father's surf school. In 1997, he completed his training as a windsurfing instructor and worked for over 15 years as a windsurfing instructor in various centers, at Kiel University sports and in the coaching team of the “Young Guns” freestyle camps. He has been part of the surf test team since 2003. After completing his teaching degree in 2013, he followed his heart and started as editor of surf magazine for the test and riding technique sections. Since 2021, he has also been active in wingfoiling - mainly at his home spots on the Baltic Sea or in the waves of Denmark.