Phase 5 Swell Stealth Wakesurf Board The Phase 5 Swell Wakesurf Board offers a lean outline, pulled in nose and super poppy tail. The parallel rails increase down the line speed while the wide tail helps spin 360s and creates tons of boost off the wave. The pulled in nose lets you charge the lip with speed and power. The shape of the Swell features a concave deck with less volume in the center of the board for superior handling. It is known to be one of the easiest to ride performance surf style