When looking at a weather map or grib files, what do the tightly packed isobars between high and low pressure zones indicate?
Send your answers to cruisingcompass@bwsailing.com. A winner will be drawn from the correct answers and will win a subscription to the digital version of Blue Water Sailing.
Congratulations to all readers who submitted correct answers to last week’s question and to our winner Connie Delaney, Dana Point, CA, who emailed: “When you put your autopilot in “sailing mode” it uses the relative wind angle as measured by your wind instrument to keep the boat at a steady angle to the wind. It is no longer steering a compass course and will change the boat’s heading according the shifts in the apparent wind. We use this function all the time but you need to keep an eye on your compass course, too!”
