rage = οργή
ocean = ωκεανός
raging ocean = οργισμένος ωκεανός
If you make a search in Google you will find too little mentions of “οργισμένος ωκεανός”. However you will find many for “οργισμένη θάλασσα” (raging sea). Maybe this is because Greeks have a very long history with sailing, but from the ancient years this was mostly in the Mediterranean Sea, and much less in any of the oceans.
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Vasiliki Baskou, Instructor/Director, https://learn-greek-online.com.