Summer services update
Information Summer services update

Our offices and services will have reduced availability over the holiday period.  Read more about our holiday hours and services availability.

Tide prediction formats

Find out about tide prediction formats and how to interpret the values.

Tables are provided in both PDF and comma delimited text (CSV) format.

Use PDF files if you want to print the tide tables, or CSV files if you want to import the data into another program.

Interpreting tide predictions in text file

This table is a sample row from a CSV file. Use the key below it to interpret the values.

A B C D E F G H I J K L
21 Th 2 2008 05:49 1.9 12:05 0.6 18:13 1.9    

Key

A to D: Date

A: Day of the month
B: Day of the week
C: Month
D: Year

 

E to F: First tide of day

E: Time given as a 24-hour clock (for example 05:49 is 5.49am)
F: Height of tide in metres (for example, 1.9 is 1.9 metres). Note that in this example the height of the first tide of the day is greater than the second tide of the day, therefore this is high tide.

 

G to H: Second tide of day

G: Time given as a 24-hour clock
H: Height of tide in metres

 

I to J: Third tide of day

I: Time given as a 24-hour clock
J: Height of tide in metres

 

K to L: Fourth tide of day

K: Time given as a 24-hour clock - if these calls are blank, as in this example, there is no fourth tide on this day.
L: Height of tide in metres - if these calls are blank, as in this example, there is no fourth tide on this day.