Useful enough
to keep.
Worksheets, checklists and the evidence behind our work. Open them, print them, put them to use.
Explore the shelf ↓
Your tide-day field sheet
Record the reference station, local date, high and low water, then make your own source checks.
Open resource
Before you trust a number
Five checks for the place, measurement, date, source and limits behind a public-data answer.
Open resource
The plain-language glossary
Storage, stage, datum, locality and more. Short definitions linked to the full explanation.
Open resourceFollow a place to its source
See the identifiers and source relationships that underpin the places and guides in the atlas.
Open resource
Carolina tide references, side by side
Compare the named stations, their location and the limits of using them as a beach reference.
Open resource
When a reading is stale or missing
A new retrieval can contain an old observation. Work through four examples and decide what to check next.
Open resourceResearch you can trace.
The September notebook preserves the available daily readings, its coverage and the calculations used. Start with the report for its downloads and method.
Read & download the September notebook →