wind - surf - ing
There are many reasons to learn how to divide windsurfing into syllables. Separating a word like windsurfing into syllables is mainly to make it easier to read and pronounce. The syllable is the smallest sound unit in a word, and the separation of the windsurfing into syllables allows speakers to better segment and emphasize each sound unit.
Knowing how to separate windsurfing into syllables can be especially useful for those learning to read and write, because it helps them understand and pronounce windsurfing more accurately. Furthermore, separating windsurfing into syllables can also be useful in teaching grammar and spelling, as it allows students to more easily understand and apply the rules of accentuation and syllable division.
In the case of the word windsurfing, we find that when separating into syllables the resulting number of syllables is 3. With this in mind, it's much easier to learn how to pronounce windsurfing, as we can focus on perfecting the syllabic pronunciation before trying to pronounce windsurfing in full or within a sentence. Likewise, this breakdown of windsurfing into syllables makes it easier for us to remember how to write it.