ɪɾ ɪz mˈɛʒɚd ɪn dᵻɡɹˈiːz æz ˌɔn ɐ kˈʌmpəs, ænd ˈɔfən ɹᵻfˈɜːd tʊ ɪn dʒˈɛnɚɹəl dᵻɹˈɛkʃənz, sˈʌtʃ ɐz ɐ ˌɛnˌɛndˈʌbəljˌuː ɔːɹ ˌɛsdˈʌbəljˌuː swˈɛl.
It is measured in degrees (as on a compass), and often referred to in general directions, such as a NNW or SW swell.