Tide Calculator

Simple harmonic tide model: estimate tidal heights, ranges, and spring/neap cycle based on lunar position.

Mean Sea Level (m)

Mean Tidal Range (m)

Spring Range Factor

Neap Range Factor

Date

Time (local)

Estimated Tide Height

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Tide State

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Spring/Neap Cycle

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Current Range

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Moon Age (days)

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Next High Water

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Next Low Water

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