Dictionary term
Tidal Bore
Direct answer
Tidal Bore: A Tidal Bore is a steep tide-driven wave or surge that travels upstream in a shallow narrowing river or estuary.
A Tidal Bore is an incoming tidal wave advancing upriver.
A Tidal Bore is an incoming tidal wave advancing upriver.
A Sun–Earth orientation for seasonal, atmospheric, tidal, and terrestrial terms.Quick reference
- Use when
- Use Tidal Bore in estuary almanacs with official local times, access rules, and safety warnings.
- Do not use it for
- Observe only from approved safe locations; bores can generate powerful currents, debris, rapid inundation, and unstable banks.
- Reference category
- Seasons & Earth Almanac
- Related terms
- Equinoctial Tide, Slack Water, Astronomical Season, Equinox
The Chapter · Mystery School
Learn to read the sky for yourself
A mystery school of astrology with a worldwide chapter: letters on the chart and the soul, readings under one sky, and a rule of honesty about what the stars can and cannot say.
- The founding letter, with what the school studies and how it meets
- First word each season, when the doors open
- A seat at the gatherings, wherever in the world you are
Reading about Tidal Bore? The chapter is where readers like you meet.
Founding circle · forming now
The list costs nothing. Word of the school and its gatherings, nothing else. Unsubscribe at any time.
The story behind Tidal Bore
Communities along bore rivers developed local names and practical knowledge long before hydraulic theory explained the wave.
Tidal Bore in spiritual tradition
Spiritually, a tidal bore can inspire respect for moving water rather than encourage risky confrontation with it.
Tidal Bore: 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 Bore in numerology
Tidal Bore 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 Bore matters
It can rapidly change water level and current, creating both a notable natural spectacle and serious navigation hazard.
Tidal Bore at work: an example
A large incoming tide can form a breaking front where a funnel-shaped estuary becomes shallow and narrow.
Where interpretation stops
Tidal Bore 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.
- Source
- The Great Almanac Dictionary
- Category
- Seasons & Earth Almanac
- Also appears in
- Seasons & Earth Almanac
- Aliases
- None listed
- Last updated
- 2026-07-16
Follow official bore safety guidance
Tidal Bore in a book is one thing; Tidal Bore in your own birth chart is your life. The Oracle casts your real chart and tells you what it means for your love, your work, and your year ahead, in conversation, free.
Speak with the OracleRelated terms
More in Seasons & Earth Almanac
- Astronomical Dawn
- Civil Dawn
- December Solstice
- Frost Date
- June Solstice
- Nautical Dusk
- Polar Night
- Solar Terminator
Common questions
What is Tidal Bore?
A Tidal Bore is a steep tide-driven wave or surge that travels upstream in a shallow narrowing river or estuary.
How is Tidal Bore used in an almanac?
Use Tidal Bore in estuary almanacs with official local times, access rules, and safety warnings.
What should I avoid when interpreting Tidal Bore?
Observe only from approved safe locations; bores can generate powerful currents, debris, rapid inundation, and unstable banks.
