Mae eithriadau newydd hefyd wedi'u cyflwyno i'r gwaharddiad ar awyrennau a llongau sy’n teithio’n uniongyrchol o wlad neu diriogaeth lle mae gofynion ynysu cryfach rhag glanio yng Nghymru. Felly caniateir iddynt gyrraedd Cymru dan yr amgylchiadau canlynol:
New exceptions have also been introduced to the ban on the arrival in Wales of aircrafts and vessels travelling directly from a country or territory subject to enhanced isolation measures, so that their arrival is permitted in the following circumstances: