When we came in to land at Palmerston North yesterday, the plane took an unusual turn out to sea because they had to hold for a few minutes. We looked down on the Rangitikei River mouth at Tangimoana, where there was a razor sharp line between the sea and the river water.

A river mouth where the outflowing water is grey and muddy, against a sharp line of blue green sea.
An area of coast where the outflowing river water is grey and muddy, against a sharp line of blue green sea.