What you can view
- View tide times and water levels for your selected site.
- Generate predictions for a six-day period.
- Plan ahead with data available up to two years in advance.
- See results for three days before and after your chosen date.
Generate a tidal prediction
Select a location and date using the dropdown menus to generate your tidal prediction.
Predictions are based on:
- observations from the Irish National Tide Gauge Network
- model data from the Marine Institute’s ocean forecasting systems
These are combined using established scientific methods to provide dependable tidal estimates.
Important to know
Predictions show tidal water levels only and do not include storm surge effects caused by wind or atmospheric pressure.
For weather-related impacts, consult additional marine forecast services.
Need more data?
Request historical or extended date ranges through the Data Request page.
Learn more about methods and data sources in the More Details section.
Map guide
- Red markers: monitoring stations with measured data
- Blue markers: model-based prediction locations