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Just wondered, is there an equation to calculate differentiation in HW levels(as per UK Hydrographic) at different baro pressures? I am fully aware that low pressure gives higher than predicted tides.



Rgds
Duncs
 

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Just wondered, is there an equation to calculate differentiation in HW levels(as per UK Hydrographic) at different baro pressures? I am fully aware that low pressure gives higher than predicted tides.



Rgds
Duncs
There is, but a long time since used it, try The Meteorological Office in Exeter, their details will be on the net, but perhaps someone on here has a better memory than me.

Not opening a ferry service are you? (Smoke)
 

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Just wondered, is there an equation to calculate differentiation in HW levels(as per UK Hydrographic) at different baro pressures? I am fully aware that low pressure gives higher than predicted tides.



Rgds
Duncs
Tides are predicted using a standard pressure of 1013 mb. A change of pressure of 1 mb (up or down) causes a change of tide level by plus or minus 1 cm.

I hope that answers your question.

Howard
 
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