Wave Fin Size Guide

This windsurfing wave fin size guide will make it easy for you to compare and select the right fins for your single fin, twinzer, thruster and quad wave boards.

Board Size	Sail Range	SINGLE	TWINZER	THRUSTER	QUAD
50 - 60	2.7 – 3.7	17.5	13.5	15.0 / 10.5	12.5 / 8
55 - 70	3.2 – 4.2	17.5	14.5	15.0 / 10.5	13.5 / 8
65 - 75	3.5 – 4.5	18.5	15.5	15.5 / 10.5	13.5 / 8
70 - 80	4.0 - 5.0	18.5	16.5	16.5 / 10.5	14.5 / 8
75 - 85	4.2 - 5.2	20.0	16.5	16.5 / 11.5	14.5 / 9
80 - 90	4.5 - 5.5	20.0	17.5	17.5 / 11.5	14.5 / 9
85 - 95	4.7 – 5.7	21.5	17.5	18.5 / 11.5	15.5 / 9
90 - 100	5.0 – 6.0	21.5	17.5	20.0 / 11.5	15.5 / 10
95 - 110	5.3 – 6.2	23.0	18.5	20.0 / 12.0	16.5 / 10
100 - 120	5.5 – 6.5	23.0	18.5	21.5 / 12.0	16.5 / 10
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By comparing sizings across all wave board fin configurations you are able to make informed choices especially if you are new to multi-fin boards or want to try something new to enhance your riding.

This data was complied by talking to wave riders of all from all over the world during a 10 year period. While there will always be exceptions to the rule, this guide acts as a great starting point.

As a general rule heavier sailors need bigger wave fins as do those who sail predominantly in onshore conditions.

Remember: Choosing the right size windsurfing fins will dramatically enhance your performance and enjoyment of each session.

If you have any questions or want personal recommendations please Contact Us.

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