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windward vs leeward
windward vs leeward
Published: 2013/01/24
Channel: Nicastri Tankard
Science Leeward and Windward CJ Studios
Science Leeward and Windward CJ Studios
Published: 2015/11/30
Channel: D. Julian
Windward v.s. Leeward Side of a Mountain
Windward v.s. Leeward Side of a Mountain
Published: 2015/01/16
Channel: NatureRocks with Eileen
Jon Emmett, Be Your Own Sailing Coach - Windward & Leeward
Jon Emmett, Be Your Own Sailing Coach - Windward & Leeward
Published: 2013/08/06
Channel: Fernhurst Books
Leeward vs Windward - LiveTeacher.ca
Leeward vs Windward - LiveTeacher.ca
Published: 2014/01/13
Channel: LiveTeacherCanada
Windward and leeward
Windward and leeward
Published: 2014/11/05
Channel: Audiopedia
Windward Review - Worth a Buy?
Windward Review - Worth a Buy?
Published: 2015/05/05
Channel: Worth A Buy
Windward Leeward Course -Part 16
Windward Leeward Course -Part 16
Published: 2008/09/11
Channel: ArmchairBinder
Windward Seafaring Gameplay & Review - Editor
Windward Seafaring Gameplay & Review - Editor's Choice
Published: 2015/05/12
Channel: Gamers Nexus
Leeward and Windward Islands of the Caribbean
Leeward and Windward Islands of the Caribbean
Published: 2011/08/11
Channel: TravelVideoSource
Windward: Higher Level Combat
Windward: Higher Level Combat
Published: 2015/04/03
Channel: Michael Lyashenko
Orographic Lift,  coastal moutain range, rain shadow, orographic precipitation at windward side
Orographic Lift, coastal moutain range, rain shadow, orographic precipitation at windward side
Published: 2017/01/09
Channel: Geografia
Windward: Beginner Tutorial
Windward: Beginner Tutorial
Published: 2015/04/03
Channel: Michael Lyashenko
rachel n windward leeward
rachel n windward leeward
Published: 2012/05/11
Channel: Lakeland Schools
Windward to the Leeward Side - Sunrise to Sunset on Oahu, Hawaii
Windward to the Leeward Side - Sunrise to Sunset on Oahu, Hawaii
Published: 2016/08/01
Channel: Natasha
WOT-TAC  Windward Leeward Course
WOT-TAC Windward Leeward Course
Published: 2012/03/16
Channel: wottac
ISAF Rule 11 Windward Leeward -Part 10
ISAF Rule 11 Windward Leeward -Part 10
Published: 2008/09/11
Channel: ArmchairBinder
Sailing the Caribbean - Windward & Leeward Islands
Sailing the Caribbean - Windward & Leeward Islands
Published: 2010/12/12
Channel: Yacht Ibis Caribbean Adventure Sailing
Jon Emmett on Windward and Leeward mark roundings
Jon Emmett on Windward and Leeward mark roundings
Published: 2010/11/12
Channel: jonemmettsailing
JOHN CRUZ : "ISLAND STYLE" (1996)
JOHN CRUZ : "ISLAND STYLE" (1996)
Published: 2017/02/16
Channel: EMILIANO ECCO
6 - Some Basics of Upwind Geometry
6 - Some Basics of Upwind Geometry
Published: 2014/05/10
Channel: Race To Win Sailing Podcast
Likelike Highway from Windward to Leeward Side
Likelike Highway from Windward to Leeward Side
Published: 2015/07/06
Channel: Hugh Hazenfield
Offshore Sailing School - Spinnaker Windward Douse
Offshore Sailing School - Spinnaker Windward Douse
Published: 2014/07/02
Channel: Offshore Sailing School
PBO ColRegs made simple No 3 - Sail meets Sail, Windward-Leeward
PBO ColRegs made simple No 3 - Sail meets Sail, Windward-Leeward
Published: 2012/05/22
Channel: practicalboatowner
Leeward Meaning
Leeward Meaning
Published: 2015/04/15
Channel: SDictionary
Windward vs. Leeward -  Lush Coconut Greenery
Windward vs. Leeward - Lush Coconut Greenery
Published: 2009/01/10
Channel: Steve and Camilla
Windward and Leeward Makeup
Windward and Leeward Makeup
Published: 2016/04/09
Channel: ameliorationmakeup
Miss Leeward 2015 (Swimwear)
Miss Leeward 2015 (Swimwear)
Published: 2015/06/08
Channel: iWitness News
Windward leeward practice
Windward leeward practice
Published: 2009/10/12
Channel: pairsquared
Wind Loading Example: Calculating Pressure on Windward Wall | Structural Design & Loading
Wind Loading Example: Calculating Pressure on Windward Wall | Structural Design & Loading
Published: 2015/02/17
Channel: Spoon Feed Me
Windward on Channel 10 News
Windward on Channel 10 News
Published: 2015/09/30
Channel: Windward
MY DRIVE FROM WINDWARD TO LEEWARD!!!
MY DRIVE FROM WINDWARD TO LEEWARD!!!
Published: 2013/09/01
Channel: Brandon Waipa
Leeward 18
Leeward 18
Published: 2016/08/17
Channel: Andrew Feazey
Rules Tutorial #9 - Port   Starboard at the leeward mark
Rules Tutorial #9 - Port Starboard at the leeward mark
Published: 2013/09/08
Channel: Fran DiTommaso
The Windward & Leeward Islands ( 14 min excerpt of presentation)
The Windward & Leeward Islands ( 14 min excerpt of presentation)
Published: 2012/12/08
Channel: J Mollan
Samuel Johnson
Samuel Johnson's Absurdities: "Windward and Leeward" (Incorrect Definitions)
Published: 2014/04/10
Channel: Absurd Samuel Johnson
Windward and Leeward Mark Rounding- NNYC Laser Racing 8-6-2015
Windward and Leeward Mark Rounding- NNYC Laser Racing 8-6-2015
Published: 2015/08/24
Channel: TheNNYC
Windward Leeward Course
Windward Leeward Course
Published: 2012/06/15
Channel: CostasJeab
RS300 sailing flat, with leeward heel, windward heel and tacking
RS300 sailing flat, with leeward heel, windward heel and tacking
Published: 2012/08/12
Channel: Ritchie758
Leeward genoa sheeting and transfer to Windward side
Leeward genoa sheeting and transfer to Windward side
Published: 2012/02/01
Channel: Tim Tavinor
Leeward Bikeway
Leeward Bikeway
Published: 2016/05/05
Channel: hblridealoha
Leeward Rounding
Leeward Rounding
Published: 2016/08/10
Channel: Michael Williamson
Johnson Charles, cricket fail, Windward islands vs Leeward Islands
Johnson Charles, cricket fail, Windward islands vs Leeward Islands
Published: 2013/01/28
Channel: AudmanetTV
Sailing Tips - Leeward Douse
Sailing Tips - Leeward Douse
Published: 2014/09/09
Channel: MonkeySee
Joann Leeward Drop
Joann Leeward Drop
Published: 2011/10/04
Channel: smithregroup
Reckless driver spotted in Windward Oahu
Reckless driver spotted in Windward Oahu
Published: 2017/03/31
Channel: KHON2 News
ISAF Rule 12 Overtaking to Leeward -Part 12
ISAF Rule 12 Overtaking to Leeward -Part 12
Published: 2008/09/11
Channel: ArmchairBinder
Windward leeward racing 6/2/16
Windward leeward racing 6/2/16
Published: 2016/02/07
Channel: Andrew Dann
Topper Leeward Mark Rounding - Top Sailing Tips -  Double Olympic Gold Medallist Shirley Robertson
Topper Leeward Mark Rounding - Top Sailing Tips - Double Olympic Gold Medallist Shirley Robertson
Published: 2013/07/11
Channel: Royal Yachting Association - RYA
Windward / Leeward 7th February 2015
Windward / Leeward 7th February 2015
Published: 2015/02/09
Channel: Calamari Run
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WIKIPEDIA ARTICLE

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Example image showing definitions of windward (upwind) and leeward (downwind).

Windward (pronounced /ˈwɪndwərd/) is the direction upwind (toward where the wind is coming from) from the point of reference. Leeward (pronounced /ˈlwərd/) is the direction downwind (or downward) from the point of reference. The side of a ship that is towards the leeward is its lee side. If the vessel is heeling under the pressure of the wind, this will be the "lower side". During the age of sail, the term weather was used as a synonym for windward in some contexts, as in the weather gage.

Nautical and naval[edit]

Windward and leeward directions are important factors (points of sail) to consider when sailing a sailing ship. Other terms with broadly the same meaning are widely used, particularly upwind and downwind.[1]

The windward vessel is normally the more maneuverable vessel. For this reason, rule 12 of the International Regulations for Preventing Collisions at Sea stipulates that the windward vessel gives way to the leeward vessel.[2]

Naval warfare[edit]

In warfare, a square rigged warship would often try to enter battle from the windward direction (or "hold the weather gauge"), thus gaining an important tactical advantage over the opposing warship – the warship to windward could choose when to engage and when to withdraw. The opposing warship to leeward could often do little but comply without exposing itself unduly.[3]

This was particularly important once artillery was introduced to naval warfare. The ships heeled away from the wind so that the leeward vessel was exposing part of her bottom to shot.[4]

Meteorological significance[edit]

Leeward and windward refer respectively to what a game stalker would call downwind and upwind.[5] The terms are used by seamen in relation to their ships but also in reference to islands in an archipelago and to the different sides of a single island. In the latter case, the windward side is that side of an island subject to the prevailing wind, and is thus the wetter side (see orographic precipitation). The leeward side is the side protected by the elevation of the island from the prevailing wind, and is typically the drier side of an island. Thus, leeward or windward siting is an important weather and climate factor on oceanic islands.[6]

In the case of an archipelago, windward islands are upwind and leeward islands are the downwind ones.

See also[edit]

References[edit]

  1. ^ Patrick M. Royce (1 April 1993). Royce's Sailing Illustrated Course: Provides Lectures That Can Be Read Word for Word. ProStar Publications. pp. 11–. ISBN 978-0-911284-01-0. 
  2. ^ Navigators International Rules of the Road' 1998 Ed. Rex Bookstore, Inc. pp. 73–. ISBN 978-971-23-2239-6. 
  3. ^ David Childs (30 April 2014). The Warship Mary Rose: The Life and Times of King Henry VII's Flagship. Seaforth Publishing. pp. 127–. ISBN 978-1-4738-5285-3. 
  4. ^ Sam Willis (2008). Fighting at Sea in the Eighteenth Century: The Art of Sailing Warfare. Boydell Press. pp. 152–. ISBN 978-1-84383-367-3. 
  5. ^ E. B. Michell (22 December 2015). The Art and Practice of Hawking. Read Books Limited. pp. 250–. ISBN 978-1-4733-6546-9. 
  6. ^ Michael Pidwirny (5 September 2016). Glossary of Terms for Physical Geography. Our Planet Earth Publishing. pp. 286–. ISBN 978-0-9877029-0-6. 

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