What does sog mean in yacht racing?

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Jaren Will asked a question: What does sog mean in yacht racing?
Asked By: Jaren Will
Date created: Fri, Jul 30, 2021 7:12 AM
Date updated: Tue, Sep 20, 2022 11:45 PM

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Video answer: Sailing explained: starting sequence and rules

Sailing explained: starting sequence and rules

Top best answers to the question «What does sog mean in yacht racing»

SOG. Speed Over Ground. This differs from boat speed- so for example if your boat is stationary in the water, it may still be moving in relation to the land due to current and wind etc. T. Target %

  • Speed Over the Ground (SOG) is the speed of the vessel relative to the surface of the earth. Speed Through Water (STW) is the speed of the vessel relative to the water. What does VMG mean in sailing?

If the course deviation is and speed over ground , the speed component toward a mark: If the course is directly towards a mark, VMC will be identical to speed over ground (SOG).

  • If the course is directly towards a mark, VMC will be identical to speed over ground (SOG). An ordinary GPS unit will, if it indicates a VMG measurement, of necessity be Velocity Made good on Course. Measurement of wind speed and direction, in addition to boat speed and heading, is required to calculate a real VMG reading.

Sail Racing Abbreviations

Acronym/ Abbrevation/ SymbolMeaning
SOGSpeed Over the Ground
SORCSouthern Ocean Racing Conference.
SPScoring Penalty.
TTime Limit Exceeded. Finished outside of the time limit applicable to that race.

What does SOG mean on a boat?

  • SOG is made up from the boat’s speed through the water plus other factors that may affect its speed such as current and wind. For example, if the knot meter on the boat is reporting a Boat Speed of 5 knots and there is a 2 knot current behind you pushing you, the resulting SOG is 7 knots.
  • This is how fast you are sailing in your boat, or in our case, in a catamaran. It is comparable to miles per hour in a car. SOG is made up from the boat’s speed through the water plus other factors that may affect its speed such as current and wind.

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