2 June 2011 (-1 in time zone):

Beautiful view of the sand slipping into the depths. Although I though the water clarity was astounding, our guide apologized for the water bring murkier than usual due to the unusually large waves churning up the sand.

Rough notes:
http://mandarinmanmarktravelnotes.blogspot.com/2011/07/2011-nz-to-sf-day-20.html