Rudder

A rudder is the underwater steering surface that turns a vessel by deflecting water flow, usually mounted at or near the stern. On yachts, powerboats and ships it is linked to a wheel, steering gear or tiller, allowing the helmsman to alter direction and maintain control.

Rudder response affects close-quarters manoeuvring, heavy-weather handling, course keeping and sailing performance. Its effectiveness depends on boat speed, hull form, balance, propeller wash and sea conditions. Good rudder control works with the Helm, Tiller and chosen Heading to avoid oversteering, reduce drag and keep the vessel safely on track.

Before a passage, skippers should check for play, stiffness, damage or fouling around the rudder and steering system. PredictWind routing and forecasts help anticipate strong winds, waves and currents that may increase steering loads, especially offshore or when using Weather Routing to optimise a safe, manageable course.