Understand points of sail: close-hauled, beam reach, broad reach, run and the no-go zone – with a simple sheet rule and a practice plan you start at the dock.
The honest answer upfront: a sailboat can go in any direction except straight into the wind. The angle between your bow and the wind is called your "point of sail" – and it decides how far you ease the sails, how fast you go and how the boat feels. The RYA, the British sailing federation, distinguishes seven such positions [1]. If you can read them, you have understood half of sailing.
The zone straight into the wind is the no-go zone: the sails flap and the boat stops. Its edge sits at about 40 degrees to the wind [1] – less than half of a right angle. Beyond that, the boat sails.
Reading the wind is the foundation. Everything else – tacking, gybing, trim – builds on it.
This guide does not teach a manoeuvre but a way of seeing: where is the wind coming from, and what does that mean for the sheet in your hand?
Stand on the dock, close your eyes and feel the wind on your face and ear. Then look at a flag, smoke or the water surface. The RYA stresses that good sailors are always wind-aware [1] – and that the wind shifts, so you have to look again and again. Milestone: with your eyes closed you point in the wind direction and are right.
On the water, sail slowly towards the wind until the front edge of the jib starts to flap. That flapping is a reliable indicator of the edge of the no-go zone [2]. Milestone: you notice the flapping before the boat stops.
The RYA order, with the common German terms in mind [1]:
Sail each position for a minute or two. Milestone: you name each position before your instructor does.
The angle between sail and wind stays the same wherever the boat is pointing [2]. The sail should be "just not flapping" [2]. In one sentence: when you steer towards the wind you sheet in; when you steer away from the wind you ease the sheets [1]. Milestone: you re-set the sheet after every change of course without being told.
Choose a buoy or a tree and sail towards it on a fixed point of sail. With a target you steer more calmly. Milestone: you hold one position for five minutes without the sail flapping.
Sailing is statistically not that wild – but unforgiving when things go wrong. In one review the injury rate is 0.29 to 5.7 per 1,000 hours, but the fatality rate is 1.19 per million sailing days – and up to 73 percent of deaths are drowning, mostly after a fall overboard (39 to 44 percent) or a capsize (20 to 40 percent) [4]. High wind and inexperience are among the most common factors [4].
Steering by the wind is also a tested task in the practical part of the German motorboat/sailing licence (under sail) [3]. This guide explains and motivates but does not replace a supervised course with an instructor.
Do the wool test: stick two short pieces of wool left and right on the jib, about a hand's width behind the front edge. If both stream straight back, the trim is right. If the thread on the windward side flutters, steer a little away from the wind or sheet in; if the one on the leeward side flutters, ease out or turn towards the wind. Your sail then tells you at once what to change – with nobody sitting next to you.
The RYA names seven positions: no-go zone, close hauled, close reach, beam reach, broad reach, training run and run [1]. For a start four terms are enough: close hauled, beam reach, broad reach, run. You place everything else in between.
About 40 degrees to the wind is roughly the minimum [1]. The zone in front of it is the no-go zone. To make progress upwind you zigzag, tacking through about 90 degrees from one close-hauled course to the other [1].
For beginners the beam reach is regarded as the fastest and easiest position [1]. The wind comes from the side and the sails are about halfway out. How fast a boat really is depends on boat type and wind strength.
The knowledge yes, the sailing preferably with an instructor. You can practise wind direction and positions on the dock and with diagrams. For the first trips a course with a rescue boat and an instructor is advisable – precisely because capsizing and falling overboard are the main risks [4].
Heading Up and Bearing Away: Changing Course with Tiller and Sheet