Tides Rule of 12ths poster

Tides Rule of Twelfths Poster - Learn how to estimate tidal heights!

The Rules of Twelfths is a handy way to estimate, with a good level of accuracy, the amount the water level will rise at a specific state of tide.

TOPIC COVERED:

• What the Rule of Twelfths is
• When you can use the rule
• What the rules states
• How to apply the rule to find out how much the water level will rise
• How to use chart datum to estimate the actual tidal height at all times in the tidal cycle.

Use our Tides Rule os Twelfths Worksheet and our Challenge Worksheet to test yourself!

Related tides resources:

Tide Terms Activity - Label all the correct tidal jargon

How to use a tide table - Learn the basics

Tides Theory Poster - Learn the basics all in one place