Current chance and best viewing time
2%estimated chance of visible sea sparkle
- Best viewing window
- 23:00–01:00
- Expected range
- 0–18%
- Confidence
- limited
- Selected coastal segment
- Katwijk Zuid
Temporarily calculated using the seasonal pattern. Last updated: .
What determines the score for Katwijk aan Zee?
Main factors
- historisch seizoenspatroon voor Noctiluca
- dark hours of the coming night
Uncertainties
- current marine and weather data are temporarily unavailable
- local plankton growth has not yet been measured directly
Katwijk lies on the open west coast. The forecast calculates Katwijk South and North separately because currents and wave direction can create local differences.
For this location we compare Katwijk Zuid and Katwijk Noord; the coastal segment with the highest score is shown above.
Tonight, tomorrow and the day after tomorrow
| Night | Estimated chance | Best time | Range |
|---|---|---|---|
| Tonight | 2% | 23:00–01:00 | 0–18% |
| Tomorrow night | 2% | 23:00–01:00 | 0–17% |
| The following night | 2% | 23:00–01:00 | 0–17% |
Observations near Katwijk aan Zee
Individual reports and photos are not public. An observation is included in the research only after it has been reviewed and the reporter has given separate consent. This page therefore currently shows only the model forecast.
Report sea sparkle near Katwijk aan Zee