What are you talking about when you say that waves have a period?
Send your answers to cruisingcompass@bwsailing.com. A winner will be selected randomly from the correct answers and will win a one-year subscription to the digital version of Blue Water Sailing magazine.
Congratulations to Alvin Schwartz of Queens, NY who correctly answered last week’s MIndbender question: “The J measurement of a head sail is the distance of the fore deck between the base of the head stay and the foot of the mast.”