World Sails Surge 5.7 Windsurfing Sail

The Surge is a great choice for wave and transitional sailors with its flat profile and low draft. Tested with both a standard diameter (SDM) and reduced diameter (RDM) mast, we recommend the RDM largely because it both broadens and simplifies tuning. With the SDM, the Surge performs decently when fully powered, but it has only one proper tuning setup in which the sailÆs shape is kept. All-around performance is enhanced with the RDM as the Surge shows sensitivity to downhaul tension that allows you to change the feel of the sail while maintaining some power.