tʊ ˈækjʊɹətli fˈɔːɹkæst ðə swˈɛl kəndˈɪʃənz fɚɹə spˈɑːt, ɪɾ ɪz nˈiːdᵻd tʊ ˌʌndɚstˈænd hˌaʊ dˈɪfɹənt kəndˈɪʃənz ɐfˈɛkt ðə wˈeɪvz ðˈɛɹ.
To accurately forecast the swell conditions for a spot, it is needed to understand how different conditions affect the waves there.