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TermDefinition
- SOGThe actual speed your vessel is tracking over the seabed Read more
- Speed Over GroundThe actual speed your vessel is tracking over the seabed Read more
- Spill WindTo ease the sheets so that the sail is only partly filled by the wind, the rest being spilt Read more
- SpinnakerA large symmetrical or asymmetrical balloon shaped sail used when running or reaching Read more
- Spinnaker PoleA spar which is used to hold the spinnaker out Read more
- Spinnaker Pols A spar which is used to hold the spinnaker out Read more
- A projecting shoal or strip of land connected to the shore Read more
- SpliceTo join lines (ropes, cables, etc.) by unravelling their ends and intertwining them to form a continuous line. To form an eye or a knot by splicing. Read more
- Sports BoatSports boats are sailing vessels designed with one thought in mind - speed! There are many different classes (designs) of sports boats that(...) Read more
- Spray HoodA folding canvas cover over the entrance to the cabin Read more
- SpreadersA spar on a sailboat used to deflect the shrouds to allow them to better support the mast. Read more
- Spring RangeThe difference in height between HW and LW on a Mean (average) spring tide. Read more
- Spring TideThe tides at which the range is greatest: the height of high water is greater and that for low water is less than those for neap tides Read more
- SpringsMooring lines fastened to prevent a boat moving forwards or backwards relative to the quay or other boats alongside Read more
- SquallA sudden increase of wind speed often associated with a line of low dark clouds representing an advancing cold front Read more
- StanchionsMetal posts supporting the guardrails Read more
- A warning, given by the helmsman, that he is about to gybe Read more
- Stand OffTo head away from shore Read more
- Stand OnTo maintain course and speed of your vessel because you have right of way Read more
- Standard PortLarge Commercial port with tide tables in the Almanac. Read more