In sailing, Points of Sail refer to a boat's course relative to the direction of the wind. Because sailboats cannot sail directly into the wind, understanding these angles is essential for steering, speed control, and proper sail "trim" (adjustment).

The Core Points of Sail. Sailors often visualize these points on a 360-degree circle with the wind blowing from the "12 o'clock" position.
In Irons (No-Go Zone): The area approximately 45° on either side of the wind. A boat cannot sail here; the sails will flap (luff) and the boat will lose momentum.

Close-Hauled: Sailing as close to the wind as possible (roughly 45° off the wind). Sails are pulled in very tight to generate lift.

Close Reach: Sailing slightly further away from the wind than close-hauled. This is often the most comfortable and efficient point of sail.

Beam Reach: Sailing perpendicular to the wind (90° angle). This is generally the fastest point of sail for most boats.

Broad Reach: Sailing with the wind coming from behind at an angle (120° – 150°). The sails are eased out significantly.

Running (Downwind): Sailing directly away from the wind. The sails are let out as far as possible.