Sea Area Forecast
Forecast valid from: 12:00, Saturday 22 August 2026 until 12:00, Sunday 23 August 2026
Small Craft Warning
Nil
Gale Warning
Nil
Meteorological Situation at 09:00 UTC
An anticyclone of 1029hPa, centred approximately 400 nautical miles 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 North Irish Sea
Wind: Northwesterly force 3 to 5. Later decreasing northwesterly or variable force 2 or 3, occasionally force 4.
Weather: Cloudy to fair with isolated showers. Mist and fog patches possible later.
Visibility: Mostly good. Decreasing moderate or poor in any showers, mist and fog.
Forecast for Carlingford Lough to Carnsore Point to Mizen Head and for the South Irish Sea
Wind: Northeasterly or variable force 2 to 4 imminent. Later becoming northeast to east force 3 or 4.
Weather: Mostly fair. Mist and fog patches possible later.
Visibility: Mostly good. Decreasing moderate or poor in any mist and fog.
Forecast for Mizen Head to Slyne Head to Malin Head
Wind: North to northwest or variable force 3 or 4, occasionally force 5 in the southwest. Soon decreasing northerly or variable force 2 to 4. Later decreasing variable force 2 or 3, occasionally force 4.
Weather: Cloudy to fair with isolated showers. Mist and fog patches possible later.
Visibility: Mostly good. Decreasing moderate or poor in any mist and fog.
Outlook for a further 24 hours until 12:00, Monday 24 August 2026
Light to moderate easterly or anticyclonic variable winds, increasing moderate to fresh in the south on Monday. Weather: Cloudy to fair with isolated showers. Mist and fog patches possible.
Forecast issued at: 12:00, Saturday 22 August 2026
All times are local unless specified
