Tidal Range Calculator

Estimate tide height at a given time between high and low.

High Tide Height (ft)

Low Tide Height (ft)

Hours After High Tide

Tidal Period (hours)

Formula

Height = MidLevel + (Range / 2) x cos(2 x pi x Hours / Period)

How long is a tidal cycle?

A typical semidiurnal tidal cycle is about 12 hours 25 minutes.

What is tidal range?

Tidal range is the height difference between high and low tide.

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