Sea Area Forecast
Forecast valid from: 06:00, Friday 28 November 2025 until 06:00, 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 03:00 UTC
Low pressure of 961hPa located off the northwest coast of Scotland, generates a strong to gale force west to southwest airflow over Ireland.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Slyne Head to Rossan Point to Malin Head
Wind: Southwest force 7 or gale force 8, and occasionally reaching strong gale force 9 between Rossan Point and Malin Head. Soon veering west to northwest force 4 to 6 and occasionally force 7. Later becoming northerly force 3 or 4, and occasionally force 5. Veering northeast by the end of the period.
Weather: Scattered showers, heavy at times with a hail and thunder possible. Showers merging into longer spells of rain soon.
Visibility: Moderate or poor in precipitation, otherwise good.
Forecast for Irish coastal waters from Malin Head to Belfast Lough to Howth Head and for the north Irish Sea
Wind: Southwest force 6 or 7, and occasionally gale force 8. Later veering west to northwest force 4 to 6 and occasionally force 7. Decreasing force 3 or 4 by the end of the period.
Weather: Scattered showers, heavy at times with a hail and thunder possible.
Visibility: Moderate or poor in precipitation, otherwise good.
Forecast for Irish coastal waters from Howth Head to Roche's Point to Slyne Head and for the south Irish Sea
Wind: West to southwest force 6 or 7 and occasionally gale force 8. Soon becoming westerly force 5 or 6, and occasionally force 7. Later easing force 4 or 5, and occasionally force 6. Veering northerly force 4 to 6 between Mizen Head and Slyne Head by the end of the period.
Weather: Scattered showers, heavy at times with a hail and thunder possible. More persistent rain developing later.
Visibility: Moderate or poor in precipitation, otherwise good.
Outlook for a further 24 hours until 06:00, Sunday 30 November 2025
Moderate north to northwest winds, strong at times in the southwest. Increasing fresh to strong on Saturday. Easing light to moderate on Sunday and backing westerly. Weather: Scattered showers or longer spells of rain, heavy at times with hail and thunder.
Forecast issued at: 06:00, Friday 28 November 2025
All times are local unless specified
