A stabilizer device for a watercraft with a hull. The stabilizer device includes a fin blade with a fin base, a fin tip, a leading edge, and a trailing edge, wherein a blade forward direction (fb) is defined from the trailing edge to the leading edge at the fin base, wherein the fin blade comprises a first fin connection element connected to the fin base in a first connection point a hull element arranged to be fixed to the hull with a hull forward direction (fh) in a forward direction of the hull, and a fin blade displacement portion connected to the first fin connection element and the hull element and arranged for displacing the first fin connection point a first displacement, in parallel with a lower surface of the hull, and perpendicular to the hull forward direction (fh).