Horizontal movement of water influenced by tides or wind.

Estimating position using speed, time, and heading without GPS.

Minimal propulsion speed used near docks or other vessels.

Line on a chart showing constant water depth.

Device measuring the water depth below the hull.

Rope used to tie the yacht to a dock or cleat.

Sideways movement caused by wind or current.

Predicted time the vessel will reach its destination.

Planned time the vessel will leave port.

Cushion protecting the yacht from impact with docks or other boats.

Audible sound warning vessels in low-visibility conditions.

Command to apply maximum engine power forward.

A larger foresail overlapping the mainsail.

Satellite-based navigation system for determining precise location.

When a vessel unintentionally contacts the seabed.

Compass using a gyroscope to indicate true north.

Line used to raise or lower a sail.

The rear or back portion of a vessel.

System broadcasting vessel identity and position to other ships.

Device used to secure a vessel in place on the seabed.

System controlling steering automatically along a set course.

Sailing with the wind coming directly from the side.

The direction of one object relative to another, measured in degrees.

Line drawn on a chart to determine direction to a target.

The horizontal pole extending from the mast that holds the foot of the sail.

Sailing with the wind coming from behind at an angle.

Floating marker indicating hazards, channels, or moorings.

Buoy indicating safe water in a specific compass direction.

Using sun, moon, and stars to determine vessel position.

Compartment storing anchor chain.