The Storm Trysail Club is a private club dedicated to blue water sailing. Membership currently numbers over 1000 individuals, and is by invitation only to expert offshore sailors who have experienced storm conditions and are capable of commanding a sailing vessel in such conditions. Established in 1938 and headquartered in Larchmont, NY, the club has a long history of sponsoring inshore, distance and offshore sailboat races.
The flag is white with a stylized red pole and pennant.