ðeɪ hæv mˈɛni ɹˈændəm kwˈɔlᵻɾiz ɪnðɪ ˈoʊʃən flˈoːɹ, ðæt kæn kˈɔːz ðə wˈeɪvz təbi ˈiːðɚ vˈɛɹi ɡˈʊd ɔːɹ vˈɛɹi pˈʊɹ, wˌɪtʃ mˌeɪk ðˌɛm ɛkstɹˈiːmli dˈɪfɪkəlt tʊ ˈækjʊɹətli fˈɔːɹkæst fɔːɹ.
They have many random qualities in the ocean floor, that can cause the waves to be either very good or very poor, which make them extremely difficult to accurately forecast for.