Head up

Turn the bow closer to the wind.

How to sign

Use Dominant flat-B: boat classifier. The base or passive hand is WIND locus is established laterally; no passive hand required. Set WIND as a stable lateral airflow. Place boat with bow at its current heading. Rotate the bow toward the WIND direction in one small arc; keep stern as pivot. Hold the new heading closer to WIND. Establish WIND as a consistent lateral airflow, then place the boat. Rotate the boat's bow toward the wind direction in a small arc; keep the stern as the pivot.