Sea Area Forecast
Forecast valid from: 17:30, Friday 21 August 2026 until 18:00, Saturday 22 August 2026
Small Craft Warning
Nil.
Gale Warning
Nil.
Meteorological Situation at 15:00 UTC
Ireland lies in a moderate to fresh northerly airflow, between an anticyclone of 1030hPa centred over the mid-Atlantic and a depression of 1001hPa centred over Scandinavia.
Heavy Swell (>4m) : No
Forecast for Mizen Head to Erris Head to Malin Head
Wind: Northerly force 4 or 5. Soon decreasing force 3 to 5. Later becoming anticyclonic variable force 2 to 4.
Weather: Cloudy to fair with isolated showers, some heavy.
Visibility: Mostly good. Decreasing moderate to poor in showers.
Forecast for Malin Head to Carlingford Lough to Carnsore Point and for the Irish Sea
Wind: Northerly force 4 or 5. Later becoming anticyclonic variable force 3 to 5.
Weather: Cloudy to fair with isolated showers, some heavy. Showers becoming isolated imminently.
Visibility: Mostly good. Decreasing moderate to poor in showers.
Forecast for Carnsore Point to Dungarvan to Mizen Head
Wind: Mainly north to northeast force 4 or 5. Later decreasing force 3 or 4. Becoming variable force 2 to 4 by the end of the period.
Weather: Cloudy to fair with isolated showers, some heavy. Showers becoming isolated imminently.
Visibility: Mostly good. Decreasing moderate to poor in showers.
Outlook for a further 24 hours until 18:00, Sunday 23 August 2026
Wind: Mostly light to moderate northerly or variable, but fresh northwesterly in the northeast on Saturday evening. Winds easing light to moderate anticyclonic variable on Saturday night. Weather: Cloudy to fair with isolated showers. Isolated mist and fog.
Forecast issued at: 17:30, Friday 21 August 2026
All times are local unless specified
