Please use it when planning your leisure activities.
Is it a spring tide or a neap tide that day?
When is the tide going out and rising at your destination?
etc., can be easily checked.
Calculated based on the harmonic constant published by the Japan Meteorological Agency.
The tide level value is an estimate of the predicted value (astronomical tide level) and differs from the actually observed value.
Please use it only to get an overview of changes in tide height.
Please do not use it for purposes that may lead to serious accidents, such as when sailing.
*This app is not affiliated with the Japan Meteorological Agency. Please do not contact the Japan Meteorological Agency.
*The harmonic constants are published below. https://www.data.jma.go.jp/kaiyou/db/tide/suisan/station.php