From Central Station train to Woy Woy Interchange - Stand 2 then line 55 bus to Ocean Beach Rd Near Wellington St. 1 h 30 min $17. From Wynyard Station, Clarence St, Stand R line 288 bus to Epping Station, train to Woy Woy Interchange - Stand 2, then line 50 bus to Umina Beach Public School, Horbart Av. 2 h 26 min $19. From Sydney drive to Umina Beach. 1 h 7 min $12.