Sea Area Forecast
Forecast valid from: 06:00, Sunday 23 November 2025 until 06:00, Monday 24 November 2025
Small Craft Warning
Southerly winds becoming westerly or cyclonic variable will reach force 6 or higher at times on all Irish coasts throughout the period.
Gale Warning
1. Westerly winds will reach gale force 8 or strong gale force 9 at times today on Irish coastal waters from Valentia to Erris Head to Malin Head. 2. West to northwest winds will reach gale force 8 or strong gale force 9 at times tonight and tomorrow morning on Irish coastal waters from Howth Head to Roches Point to Rossan Point and on the Irish Sea South of Anglesey.
Atlantic Swell
Developing on northwestern coasts for a time on Sunday afternoon.
Meteorological Situation at 03:00 UTC
Low pressure of 981hPa centred approximately 220nm northwest of Erris Head generates a strong to near gale force southwest to west airflow over Ireland.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Valentia to Erris Head to Malin Head
Wind: Westerly force 7 or gale force 8. Soon occasionally reaching strong gale force 9. Later veering north to northwest and decreasing force 6 or 7 north of Loop Head.
Weather: Mostly fair with showers. Soon becoming cloudy with longer spells of rain.
Visibility: Good, reducing moderate or poor in precipitation.
Forecast for Irish coastal waters from Malin Head to Carnsore Point to Valentia and for the Irish Sea
Wind: Westerly force 5 to 7. Later increasing westerly or cyclonic variable force 6 or 7 and occasionally reaching gale force 8.
Weather: Widespread showers with longer spells of rain in the north and northwest, turning heavy at times, with a chance of hail and thunder, later clearing southwards.
Visibility: Good, reducing moderate or poor in precipitation.
Outlook for a further 24 hours until 06:00, Tuesday 25 November 2025
Strong to gale force northwesterly winds, becoming northerly and decreasing moderate to strong through Monday. Weather: Showers or longer spells of rain, clearing southwards and becoming mostly fair with well scattered showers by Monday afternoon.
Forecast issued at: 06:00, Sunday 23 November 2025
All times are local unless specified
