Assuming that the tide in your area has a normal semi-diurnal cycle, what rule could be used to estimate the height and flow of the tide for times in between high and low water?
Send your answer to cruisingcompass@bwsailing.com. The winner, selected randomly from correct answers, will receive a Blue Water Sailing hat.
Thanks to last week’s winner, Mick Matthews, for the correct answer to the question: What is the difference between a collision and an allision? A collision is when two vessels strike each other, while an allision occurs when a vessel strikes a stationary object, such as a bridge or dock.