Glossary

A type of boat or ship designed to operate efficiently in both displacement and planing modes, offering a balance between speed and fuel...

The direction which a current flows in a body of water.

In marine navigation, understanding the set of a current is crucial for plotting an...

The process of securing a boat in a stationary position by deploying and embedding an anchor into the seabed.

When a mariner 'sets anchor',...

To "set sail" means to begin a voyage or journey by sea, typically by hoisting the sails of a sailboat or ship to catch the wind and propel the...

A U-shaped metal fitting with a pin or bolt across the opening, used in marine applications to connect ropes, chains, or other fittings...

Shaft drive refers to a method of transferring power from an engine to a boat's propeller. In this system, a driveshaft connects the engine to...

The part of an anchor that digs into the seabed to secure the boat in place. 

The Shank refers to the long, vertical part of an anchor that...

Sea area of the Met Office Shipping Forecast. Lies off the west coast of Ireland at the mouth of the River Shannon.

From the Shannon Estuary...

A line or rope used to control the angle of a sail relative to the wind.

In sailing, a sheet is an essential part of the rigging system and...

A maritime weather broadcast provided by the UK Met Office, offering vital information on sea conditions, wind, and visibility for seafarers in...

A designated route in a body of water that is regularly used by commercial and cargo vessels to ensure safe and efficient maritime...

To reduce the amount of sail area exposed to the wind, typically to maintain control and safety in strong winds.

Shortening sail is a sailing...

A strong, fixed line or wire that supports a sailing vessel's mast laterally, running from the mast to the sides of the hull or to...

Pronounced: see-AIR-rah

The term for the letter S in the NATO Phonetic Alphabet.