Tidal effect on the wind
 

Conventional wisdom (and science) says that the state and direction of the tide has no effect on wind strength. 
 

While there is no scientific evidence, observation would suggest this is not quite the case and that the rise or fall of the tide does have some slight effect...

A rising tide seems to bring a small increase in wind, followed by a high tide lull. The falling tide then may see a wind decrease, followed by a low water lull.

The very small effect, greatest at mid-tide, is often observed on the East Patch during light airs whereby on a rising tide racing proceeds and on a falling tide racing is often abandoned. It is rarely explained. One suggestion is that it is compression or expansion somehow like a bellows between the sea and the upper atmosphere? Also apparently the effect is greater when it is cloudy.

If you have any thoughts please let us know Eastweb@helensburghsailingclub.co.uk

 

 

 

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