A recent survey (15 June 2020) indicates the following least depths below CD on the bar at the Grey River/Mawheranui entrance:
a) 42 26.347S., 171 11.435E. North Lead 3.5m
b) 42 26.301S., 171 11.325E. Main Lead 3.7m
c) 42 26.313S., 171 11.317E. South Lead 3.7m
Mariners should be aware that depths in Greymouth Harbour entrance are constantly changing and should contact the Port of Greymouth for the latest conditions on (03) 768 5666 or Greymouth Harbour Radio Ch14.