Sabiki – the name give to a trace of small artificial lures fished paternoster style and designed to catch baitfish in particular.
Salinity – The saltiness or dissolved salt content of a body of water. It is a general term used to describe the levels of different salts such as sodium chloride, magnesium and calcium sulphates and bicarbonates.
Scratching – The use of fine tackle and small baits to search out small fish when fishing is poor.
Sea trout – A migratory trout which, like the salmon, spends part of its life at sea.
Seasick – a horrible feeling on a boat with two stages. In the first you think you are dying and in the second you wish you were dead.
SFSA – The governing body for sea angling in Scotland. Selects international teams for Home Internationals and CIPS events.
Shad – A plastic, fish shaped lure which is available incorporating an internal lead weight or un-weighted. The un-weighted version can be fished on a leadhead. Used when hopping. Also the name of a small, silvery fish.