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M4
M4 is the first overtide of M2 at exactly twice its speed, generated in shallow water, and its size is a quick index of how non-linear a site is.
- Angular speed
- 57.9682084 °/h
- Period
- 6.2103 h
- Species
- quarter-diurnal
- Origin
- shallow-water overtide of M2
- Resolvable
- ≥ 15 days
Back to the table. Sum these into a curve. Data: /api/constituents.json