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TermDefinition
- Stow To put away in an appropriate place. Being stowed implies that something has been safely stored and lashed down to stop if from moving when at sea. Read more
- Superbuoy Large buoys, generally more than 5 m in diameter, are distinguished on charts because their unusually large size renders them a potential(...) Read more
- SwashwayA narrow channel between shoals Read more
- Swinging RoomThe area encompassed by the swing that excludes any risk of collision or grounding Read more
- Synoptic ChartA map that summarises atmospheric conditions (temperature, precipitation, wind speed and direction, atmospheric pressure and cloud coverage)(...) Read more
- TackThe tack is the lower forward corner of the sail. The tack on the mainsail is attached where the boom meets the mast. The tack on the headsail(...) Read more
- TackingThe process by which a sailing vessel can go to windward, making a series of zig-zag ‘tacks’ at an angle to the wind Read more
- Take InLower a sail Read more
- Take the HelmTo steer the vessel Read more
- Phonetic Alphabet Tango Phonetic alphabet letter T. Pair Trawling: When a vessel displays the Tango flag, it indicates that it is engaged in pair trawling(...) Read more
- Tell TalesLengths of wool or ribbon attached to a sail or shroud to indicate the airflow or apparent wind direction Read more
- TenderSee Dinghy Read more
- Did you know? The Bitter End "The bitter end" is a nautical term referring to the very end of a rope or chain secured to a ship or boat. Its name is derived from the sturdy(...) Read more
- Tidal Stream Tidal stream refers to the horizontal movement of water caused by the rise and fall of tides in coastal areas and waterways. This movement is(...) Read more
- Tidal Stream AtlasAn official publication showing the direction and rate of the tidal streams for a particular area Read more
- Tide Tide refers to the rise and fall of sea levels caused by the gravitational forces of the moon and the sun acting on the Earth's oceans. Tides(...) Read more
- Tide TablesOfficial annual publication which gives the times and heights of high and low water for standard ports Read more
- TillerA lever attached to the rudder head by which the helmsman moves the rudder Read more
- TDOP Time Dilution of Precision (TDOP) is a measure used in satellite navigation systems, such as GPS, to quantify the effect of errors in the(...) Read more
- Time Dilution of Precision Time Dilution of Precision (TDOP) is a measure used in satellite navigation systems, such as GPS, to quantify the effect of errors in the(...) Read more