Provides detailed astronomical tide forecasts and current water level data for the Netherlands and the North Sea. Includes river levels, moon phases, and sunrise/moonset times.
Veilingkwartier by Concepteurs BV




12+ similar apps compared and reviewed
Gerarduskalender 2021 is great, but it's not the only option. Explore 12+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.












Provides detailed astronomical tide forecasts and current water level data for the Netherlands and the North Sea. Includes river levels, moon phases, and sunrise/moonset times.