Forecasting Tides at Sites around Chatham Islands

Specify a date and tide station and this routine will calculate the tides for that day.

Input Data

Date: yyyymmdd format.

Time Base
Chatham Islands Standard Time (CHAST)
Chatham Islands Daylight Time (CHADT)
CHADT goes from the last Sunday in September to the first Sunday in April.

Select a Station:

Tides for Waitangi Bay:

01-Jul-2022 CHAST (m above MSL)
High Tides Low Tides
06:53 0.334 00:26 -0.253
19:22 0.184 13:25 -0.270

Add -0.434 m for storm surge.
Storm surge is explained here

Please address enquiries to:
Derek Goring
Mulgor Consulting Ltd
Christchurch
New Zealand

This webpage is running on a Raspberry Pi