Réamhaisnéis limistear na farraige
Forecast valid from: 00:00, Sunday 14 December 2025 until 00:00, Monday 15 December 2025
Small Craft Warning
South or Southwest winds will reach force 6 or higher at times overnight and for a time on Sunday on all Irish coasts, becoming confined to Irish coasts from Fair Head to Carnsore Point to Mizen Head by Sunday evening.
Gale Warning
Southwest winds will reach gale force 8 overnight on Irish coastal waters from Belfast Lough to Howth Head to Carnsore Point and on the Irish Sea, backing southwest to south and extending to Irish coastal waters from Belfast Lough to Hook Head to Slyne Head and the Irish Sea on Sunday morning.
Atlantic Swell
On Atlantic coasts.
Meteorological Situation at 21:00 UTC
A depression of 964hPa centred south of Iceland generates a strong to gale force southwesterly airflow over Ireland. Associated frontal troughs are embedded in the flow.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Fair Head to Carnsore Point to Mizen Head and for the Irish Sea
Wind: South to southwest force 7 to gale force 8 and gusty. Veering westerly or variable force 2 to 4 at the end of the period but maintaining southwest force 6 or 7 and gusty between Howth Head and Dungarvan and on the Irish Sea.
Weather: Outbreaks of rain and drizzle. Areas of mist and fog.
Visibility: Reducing moderate or poor in precipitation, mist and fog.
Forecast for Irish coastal waters from Mizen Head to Erris Head to Fair Head
Wind: Southwest force 5 to 7 and gusty. Soon increasing south to southwest force 6 to gale force 8. Later veering westerly and decreasing force 3 to 5. Increasing southwest force 4 or 5 at the end of the period.
Weather: Outbreaks of rain and drizzle. Areas of mist and fog.
Visibility: Reducing moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 00:00, Tuesday 16 December 2025
Mainly light to moderate northwest winds on eastern and southern coastal waters during Monday, but strong to near gale southwest in the east at first. Moderate to fresh west to southwest winds on western and northern sea areas, increasing strong at times by the end of the period. Weather: Rain in the east clearing eastwards by Monday morning leaving a mix of clear spells and showers.
Forecast issued at: 00:00, Sunday 14 December 2025
All times are local unless specified
