Sea Area Forecast
Forecast valid from: 00:00, Friday 28 November 2025 until 00:00, Saturday 29 November 2025
Small Craft Warning
Southwesterly winds will reach force 6 or higher at times on all Irish coasts during the period.
Gale Warning
Southwesterly winds will reach gale force 8 or strong gale force 9 this evening and tonight on Irish coastal waters from Valentia to Bloody Foreland to Carlingford Lough and on the Irish Sea North of Anglesey, extending to Irish coastal waters from Wicklow Head to Slyne Head to Carlingford Lough and on the Irish Sea tomorrow (Friday).
Atlantic Swell
Yes
Meteorological Situation at 21:00 UTC
Low pressure of 957hPa centered approximately 400 nautical miles northwest of Malin Head extends a strong to gale force southwesterly airflow over Ireland.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Valentia to Rossan Point to Belfast Lough
Wind: Southwest force 7 or gale force 8, and occasionally reaching strong gale force 9 between Slyne Head and Fair Head. Later becoming west to southwest force 6 or 7, and occasionally gale force 8. Veering northwest or north force 4 or 5 by the end of the period.
Weather: Mostly fair with showers, heavy at times with hail and thunder.
Visibility: Good, reducing moderate or poor in all showers.
Forecast for Irish coastal waters from Belfast Lough to Hook Head to Valentia and for the Irish Sea
Wind: Southwest force 6 or 7, and occasionally reaching gale force 8. Becoming southwest to west force 4 to 6 by the end of period, staying force 6 or 7 between Belfast Lough and Howth and on the Irish sea.
Weather: Mostly fair with scattered showers, heavy at times with hail and thunder. More persistent rain later in the south.
Visibility: Good, reducing moderate or poor in all showers.
Outlook for a further 24 hours until 00:00, Sunday 30 November 2025
Further outlook: Fresh to strong westerly winds will veer northwest to north on Saturday, and gradually easing moderate to fresh. Weather: Scattered showers or longer spells of showery rain, heavy at times with a chance of hail and thunder.
Forecast issued at: 00:00, Friday 28 November 2025
All times are local unless specified
