Sea Area Forecast
Forecast valid from: 17:00, Saturday 22 August 2026 until 18:00, Sunday 23 August 2026
Small Craft Warning
nil
Gale Warning
nil
Meteorological Situation at 15:00 UTC
An anticyclone of 1029hPa, centred approximately 270 NM west of Valentia, generates a mostly light to moderate northerly airflow over Ireland.
Heavy Swell (>4m) : No
Forecast for Malin Head to Belfast Lough to Carlingford Lough and for the Irish Sea
Wind: Northwesterly force 4 or 5. Soon decreasing northwesterly or variable force 3 or less.
Weather: Cloudy to fair with isolated light showers. Mist and fog patches possible.
Visibility: Good. Decreasing moderate or poor in any mist and fog.
Forecast for Carlingford Lough to Carnsore Point to Mizen Head
Wind: Northerly or variable mostly force 2 to 4.
Weather: Mostly fair or fine. Mist and fog patches possible later.
Visibility: Good. Decreasing moderate or poor in any mist and fog.
Forecast for Mizen Head to Slyne Head to Malin Head
Wind: Northerly force 3 or 4. Soon becoming easterly or variable force 2 to 4.
Weather: Cloudy to fair with isolated light showers. Mist and fog patches possible.
Visibility: Good. Decreasing moderate or poor in any mist and fog.
Outlook for a further 24 hours until 18:00, Monday 24 August 2026
High pressure will move in across Ireland and very gradually slip eastwards towards the North Sea during Monday. Winds will be anticyclonic variable with mostly fair weather. Some mist and fog too. Showers later in the period for the southwest sea area.
Forecast issued at: 17:00, Saturday 22 August 2026
All times are local unless specified
