The problem I have now - is that I can remember RIMINGTON saying that they would change the times of the tides upon the BBC website (it is a TEMPLAR company) - in order to ensure that I swam upon an out-going tide at some point. Here is the tide report for CLACTON today:

http://www.bbc.co.uk/weather/coast/tides/tides.shtml?date=20100718&loc=0128

Time Type Height (metres)
0427 High 4.3
1022 Low 1.0
1646 High 4.4
2306 Low 0.6