This widget is provided by MyTide.ie
MyTide.ie provides easy access to tide times and tidal height predictions for coastal locations across Ireland. Whether you’re planning a swim, a surf session, a fishing trip, or a coastal walk, MyTide helps you understand when the sea will be high, low, rising, or falling.
This web app is a personal project created to make Irish tidal data as easy to read and as accessible as possible. The goal is simple: make Irish tide information easy to find and easy to use. If you find MyTide useful, feel free to leave a tip to help cover server costs and keep MyTide running.
Where the Tide Data Comes From
Tide data isn't measured directly by MyTide.ie. Instead, MyTide.ie displays scientifically derived tide predictions based on real observations and trusted modelling methods.
Data sources include:
Together, these sources allow reliable tide forecasts for locations around Ireland.
Predicted vs Real-Time Tides
The tide times and heights shown on MyTide.ie are predictions, not live sea-level measurements. Predictions are produced using established scientific methods and long-term tidal observations.
Actual sea level at any moment may differ slightly due to weather, wind, and atmospheric pressure. For real-time sea-level readings, the Marine Institute provides live tide gauge observations through its data services:
https://www.marine.ie/site-area/data-services/real-time-observations/tidal-observations-imos
Who MyTide.ie Is For
- Swimmers and sea dippers
- Surfers and paddleboarders
- Anglers and boat users
- Coastal walkers and photographers
- Anyone planning time by the sea
Tide Data & Safety
Tide predictions on this site are based on authoritative scientific data and standard tidal modelling techniques. However, natural conditions such as wind, atmospheric pressure, and storm surge can cause variations in actual water levels.
All tide times shown on MyTide.ie are in local Irish time.
Times automatically follow Irish Standard Time (IST) in summer and Greenwich Mean Time (GMT) in winter, so no manual adjustment is required.
Tidal Height Reference Units
Tidal heights can be displayed relative to different vertical reference levels. MyTide.ie allows selection of commonly used Irish chart datums:
LAT — Lowest Astronomical Tide
LAT is the lowest tide level that can be predicted under average meteorological conditions. It is the standard reference level used on nautical charts. A height of 0.0 m LAT represents the predicted lowest astronomical tide. Positive values indicate how much water depth exists above chart datum.
ODM — Ordnance Datum Malin
ODM is Ireland's national land height reference system, based on mean sea level measured at Malin Head. A height shown in m ODM represents sea level relative to Ireland's national elevation datum. This reference is commonly used in coastal engineering, surveying, and flood modelling.
Switching between LAT and ODM changes only the reference baseline — the predicted tide itself remains the same.
This app is not intended for navigational purposes. Users should always assess local conditions and exercise appropriate judgement before participating in any water-based activities. Disclaimer