Talk:Sea mark: Difference between revisions
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It should be mentioned that the direction of tides is what determines the placement of buoys. [[User:Fionnlaoch|Fionnlaoch]] ([[User talk:Fionnlaoch|talk]]) 18:16, 16 August 2008 (UTC) |
It should be mentioned that the direction of tides is what determines the placement of buoys. [[User:Fionnlaoch|Fionnlaoch]] ([[User talk:Fionnlaoch|talk]]) 18:16, 16 August 2008 (UTC) |
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:The placement of buoys may happen along tidal channels, that's right. But what do you mean by "direction" of tides? [[User:De728631|De728631]] ([[User talk:De728631|talk]]) 18:26, 16 August 2008 (UTC) |
:The placement of buoys may happen along tidal channels, that's right. But what do you mean by "direction" of tides? [[User:De728631|De728631]] ([[User talk:De728631|talk]]) 18:26, 16 August 2008 (UTC) |
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The placing of the green and red marker buoys is determined by the direction of the rising tide. Between Ireland and Britain, for example, the tide rushes north when rising. This therefore determines on which side the green and red buoys are (IALA A in this case, so green is to starboard as you look north). |
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In the case of a port, the rising tide generally moves into the port and therefore under IALA A, the green marker should be kept to starboard as you enter the port. |
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In the case of an island, where the tide moves around it as it rises, there will be a change over point on the far side, which will be marked on charts. |
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Revision as of 13:56, 4 November 2010
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It should be mentioned that the direction of tides is what determines the placement of buoys. Fionnlaoch (talk) 18:16, 16 August 2008 (UTC)
- The placement of buoys may happen along tidal channels, that's right. But what do you mean by "direction" of tides? De728631 (talk) 18:26, 16 August 2008 (UTC)
The placing of the green and red marker buoys is determined by the direction of the rising tide. Between Ireland and Britain, for example, the tide rushes north when rising. This therefore determines on which side the green and red buoys are (IALA A in this case, so green is to starboard as you look north).
In the case of a port, the rising tide generally moves into the port and therefore under IALA A, the green marker should be kept to starboard as you enter the port.
In the case of an island, where the tide moves around it as it rises, there will be a change over point on the far side, which will be marked on charts.