taraṅgāvarta-bhīṣaṇaḥ

tatah-thereafter; samudrah-the sea; udvelah-being agitated; sarvatah-everywhere; pratyadrsyata-appeared before everyone's vision; pracanda-fierce; vataih-by the winds; uddhuta-agitated; taraṅga-of the waves; avarta-whirling water; bhisanah-ferocious.