The data shown comes from a combination of real-time observations and numerical models. For more information: show more.
- Real time observations are taken from the Irish Lights Dublin Bay Buoy and MESTECH instruments in Poolbeg Marina.
- Tidal data is taken from the Irish National Tide Gauge Network.
- The maps below are created using the numerical wave model, SWAN, and are updated once every weekday. Dataset metadata is available here.

The data below is for informational purposes, and should not be used for safety critical applications.
Dublin Bay Instrument Map

Average Wind Speed (Dublin Bay)
Wind Speed Wind Direction
Data Source: Irish Lights
Tide Height (Howth Harbour)
Predicted Tide Height Measured Tide Height
Data Source: MI
Sea Temperature (Dublin Bay)
Wind Forecast (Dublin Bay)
Data Source: NOAA
Wind Forecast Map Wave Period (Dublin Bay)
Measured Wave Period
Significant Wave Height (Dublin Bay)
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