Sea Area Forecast
Forecast valid from: 06:00, Thursday 27 November 2025 until 06:00, Friday 28 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 and gusty this morning and afternoon (Thursday) on Irish coastal waters from Valentia to Erris Head to Fair Head extending to Irish coastal waters from Valentia to Bloody Foreland to Carlingford Lough and the North Irish Sea later.
Atlantic Swell
Increasing on Atlantic coasts on Thursday night.
Meteorological Situation at 03:00 UTC
A rapidly deepening depression of 964hPa in the mid North Atlantic generates a fresh to strong southwesterly airflow over Ireland. An associated cold front will track eastwards over the country today.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Valentia to Erris Head to Fair Head
Wind: Southwest force 5 to 7 and gusty. Imminent increasing force 6 to gale force 8 and gusty. Soon increasing force 7 to strong gale force 9. Possibly touching storm force 10 at times locally between Erris Head to Malin Head later.
Weather: Cloudy with outbreaks of rain and drizzle and patches of mist and fog. Imminent becoming fair in the west with scattered showers and elsewhere soon. Showers turning heavy in the west later with a chance of hail and isolated thunderstorms.
Visibility: Reducing moderate or poor in precipitation, mist and fog. Otherwise good.
Forecast for Irish coastal waters from Fair Head to Carnsore Point to Valentia
Wind: Southwest force 5 or 6. Imminent increasing force 6 to 7 and gusty. Later increasing force 7 to gale force 8 and gusty.
Weather: Cloudy with outbreaks of rain and drizzle and patches of mist and fog. Imminent becoming fair in the west with scattered showers and elsewhere soon. Showers turning heavy in the west later with a chance of hail and isolated thunderstorms.
Visibility: Reducing moderate or poor in precipitation, mist and fog. Otherwise good.
Outlook for a further 24 hours until 06:00, Saturday 29 November 2025
Near gale to gale force southwest winds on all Irish coasts, reaching strong gale force in the northwest at first. Winds will veer mainly west to northwest later and gradually moderate. Weather; Showers, some heavy with hail and isolated thunderstorms.
Forecast issued at: 06:00, Thursday 27 November 2025
All times are local unless specified
