ɪn dʒˈɛnɚɹəl ðɛɹˌɑːɹ ɡɹˈædʒuːəl slˈoʊpɪŋ ˈoʊʃən flˈoːɹz wˌɪtʃ ɹɪzˈʌlt ɪn ɐ slˈoʊɚ kɹˈʌmplɪŋ wˈeɪv bˈɛɾɚ fɔːɹ lˈɔŋ bˈoːɹdɪŋ ænd stˈiːpɚ slˈoʊpɪŋ flˈoːɹz wˌɪtʃ ɹɪzˈʌlt ɪn ɐ fˈæstɚ, hˈɑːloʊɚ bɹˈeɪkɪŋ wˈeɪv bˈɛɾɚ fɔːɹ ʃˈɔːɹt bˈoːɹdɪŋ.
In general there are gradual sloping ocean floors which result in a slower crumpling wave (better for long boarding) and steeper sloping floors which result in a faster, hollower breaking wave (better for short boarding).