Dictionary term
Tidal Range
Direct answer
Tidal Range is the vertical difference in water level between a high tide and the adjacent low tide.
Tidal Range is the height difference from high water to low water.
Tidal Range is the height difference from high water to low water.
A Sun–Earth orientation for seasonal, atmospheric, tidal, and terrestrial terms.Quick reference
- Use when
- Use Tidal Range with a named station, date, and datum because local geometry and timing strongly affect the value.
- Do not use it for
- Do not transfer a range prediction between harbors or treat it as total water level during storm surge.
- Reference category
- Seasons & Earth Almanac
- Related terms
- Alpenglow, Tidal Datum, Astronomical Season, Equinox
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The story behind Tidal Range
Tide gauges and harmonic analysis turned local high-low observations into standardized predictions and datum records.
Tidal Range in spiritual tradition
Spiritually, tidal range can deepen respect for coastal rhythms while remaining a location-specific measurement.
Tidal Range: fact and faith, kept distinct
This is a factual calendar, astronomy, Earth-science, cultural-history, or observational reference. It can support wonder and practical planning without becoming a claim of fate, spiritual causation, or private revelation.
Tidal Range in numerology
Tidal Range is not a numerology claim. Any numbers attached to it should retain their ordinary scientific, calendrical, navigational, or historical meaning unless a separate symbolic interpretation is clearly labeled.
Why Tidal Range matters
It shapes shoreline exposure, navigation depth, currents, intertidal habitat, and flood risk.
Tidal Range at work: an example
A spring tide often has a larger Tidal Range than a nearby neap tide at the same station.
Where interpretation stops
Tidal Range is presented as sourced astronomy, calendrical, Earth-science, cultural, or instrument-history reference. Definitions should distinguish measured phenomena from civil convention and historical interpretation, preserve location and time dependencies, and avoid turning factual sky data into a deterministic personal claim.
Sources and editorial method
Research references used for this entry include:
- NOAA Tides and Currents Glossary - Operational definitions for tides, tidal currents, ranges, datums, bores, and amphidromic systems.
- NOAA Ocean Service: What Are Spring and Neap Tides? - Official explanation of lunar-solar alignment and spring and neap tidal ranges.
- Source
- The Great Almanac Dictionary
- Category
- Seasons & Earth Almanac
- Also appears in
- Seasons & Earth Almanac
- Aliases
- None listed
- Last updated
- 2026-07-16
Check the local high-low difference
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Common questions
What is Tidal Range?
Tidal Range is the vertical difference in water level between a high tide and the adjacent low tide.
How is Tidal Range used in an almanac?
Use Tidal Range with a named station, date, and datum because local geometry and timing strongly affect the value.
What should I avoid when interpreting Tidal Range?
Do not transfer a range prediction between harbors or treat it as total water level during storm surge.
