O heddiw ymlaen, bydd angen i benderfyniadau cynllunio a wneir gan awdurdodau lleol a chyrff perthnasol eraill sydd â'r potensial i effeithio ar Ardal Cynllun Morol Cymru ystyried Cynllun Morol Cenedlaethol Cymru.
From today, planning decisions by local authorities and other relevant bodies with the potential to affect the Welsh Marine Plan Area will need to be taken in consideration of the Welsh National Marine Plan.