When completing an online Hold Mail request, a confirmation page will be displayed with a confirmation number to verify your request has been accepted. Make sure you print out this page or copy down your confirmation number for future reference.
The tidal range is the vertical difference between the high tide and the succeeding low tide. Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation of the Earth.
The tidal range is the difference between high and low tides. The range at one location may vary quite a bit, depending on the phase of the moon, etc. However, some locations typically have small ranges, while others have large ranges.