Tide Table Lookup (local station) mechanism

Model scope

This live-data instrument has no offline formula model. Its mechanism is the approved source feed plus visible provenance.

Units and conventions

Units and conventions must be supplied by the live source and displayed with freshness.

Inspectable vector

No offline vector is asserted for this source-required instrument.

Failure boundary

BREAK_CLAIMED · SELF_FLAGGED

The instrument cannot produce authoritative numeric tide predictions offline or without station-specific harmonic constants and live data. Boundary, extreme-date, calendar-transition, and time-zone cases also require explicit rejection or documented conventions; silently extrapolating, fabricating values, or choosing a time convention could create unsafe boating information.

Other records

Sources and evidence

These pointers bind the page to evidence. They do not grant authority or collapse verification into deployment.

• VERIFIED_LEDGER.json
• BOUNDARY_HAZARD_CATALOG.json