How high would sea level be if the same H storm made landfall at ...

[Haya94]

How high would sea level be if the same H storm made landfall at low
  tide? What will be an ideal response?

Question 2

How high would sea level be if an H storm made landfall at high tide and
  the normal tides range  m from mean sea level? What will be an ideal response?

[duke02]

Answer to Question 1

Sea level would be between 0.7 and 1.8 m  less than the eff ect of normal high tide at
that location.

Answer to Question 2

Sea level would be between 4.7 and 5.8 m.