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Shallow Water Freeride Fins

Siren Freeride Delta Fin

Original price was: $200.00.Current price is: $150.00.

Shallow Water Freeride Fins

Siren Freeride Delta Fin

Original price was: $200.00.Current price is: $150.00.

Windsurf in Shallow Water With Confidence

Experience the ultimate solution for shallow and weed/debris-filled waters with the Siren Freeride Delta windsurfing fin. Say goodbye to cumbersome and dangerous long fins! Designed to revolutionize your windsurfing experience, this ultra-short and compact fin defies convention. No longer restricted by the limitations of standard upright fins, you can now beach start effortlessly, navigate shallow waters with confidence, and bid farewell to the risks of sharp edges. Embrace a safer and more enjoyable freeride session with the Siren Freeride Delta fin.

Recommended Sizes & Tuning Options

The Siren Freeride fin offers a selection of four(4) size options, ensuring that we caters to the needs of every rider, regardless of their freeride board, sail size, or wind conditions. To accommodate different body weights, heavier riders can confidently opt for a size up, while smaller riders will benefit from one size down. Refer to the table for sizing suggestions and comparisons with our regular and shallow water anti-weed style freeride fins. This comprehensive range of options makes it easy to find the perfect fit for your windsurfing setup.

Board Size (ltrs)Sail Range (m2)CM / EQCM* / DELTA^^
90 - 1056.0 - 7.035.0 / 35.0 / 19.5
95 - 1206.5 - 7.537.5 / 37.5 / 21.0
110 -1257.0 - 8.040.0 / 40.0 / 22.5
115 - 1307.5 - 8.542.5 / 42.5 / 24.0
120 - 1358.0 - 9.045.0 / 45.0 / n/a
125 - 1408.5 - 9.547.5 / 47.5 / n/a

*Introducing EQCM sizing: Easily mix and match regular and anti-weed fins with our unique sizing system. Referencing the equivalent regular size fin, it allows you to build a seamless quiver, avoiding unnecessary overlap. Achieve optimal versatility with two models that perfectly complement each other.

^^Introducing Delta fin shaping: With a distinctive delta outline shape, featuring a swept-back leading edge and wider base, these fins excel in shallow water areas due to their very shallow depth.

Precision CNC G10

Siren fins: precision-engineered, CNC’d Black G10. Functional, stylish, and durable. Their G10 construction is particularly vital for shallow water sailing and navigating debris and weed-infested areas.


Our goal was to create a high-performance fin range that excels in both speed and ease of use, elevating the performance of freeride, freemove, and freerace boards in areas where shallow water, weed/debris and are prevalent. With our fins, you can confidently sail faster, maintain superior control, and sail in places which would otherwise be inaccessible.

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