Réamhaisnéis limistear na farraige

Forecast valid from: 13:00, Thursday 12 February 2026 until 12:00, Friday 13 February 2026

Small Craft Warning

Cyclonic variable winds, gradually becoming north to northeast, will reach force 6 at times on all Irish coasts through the period.

Gale Warning

North to northeast winds will reach gale force 8 at times tonight (Thursday night) and tomorrow (Friday) on Irish coastal waters from Wicklow Head to Mizen Head to Slyne Head.

Atlantic Swell

At times on southwestern and western coasts.

Meteorological Situation at 09:00 UTC

A depression of 977hPa centred approximately 70 nautical miles west of Slyne Head generates a mostly moderate to strong cyclonic variable airflow over Ireland. An associated occluded weather front lies over the north of the country

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Slyne Head to Malin Head to Howth Head and for the North Irish Sea

Wind: Imminent increasing northeasterly force 6 or 7 west of Malin Head and east to northeast force 5 or 6 east of Malin Head. Later becoming northeasterly force 5 to 7 everywhere. Decreasing force 4 to 6 by the end of the period.

Weather: Cloudy with outbreaks of rain, heavy at times. Later becoming fair with isolated showers. Some mist and fog patches too.

Visibility: Reducing moderate or poor in precipitation or mist and fog, otherwise good.

Forecast for Howth Head to Mizen Head to Slyne Head and for the South Irish Sea

Wind: West to southwest force 6 or 7 but force 4 to 6 north of Carnsore Point. Soon veering northerly force 6 or 7 north of Valentia but becoming southwesterly force 4 to 6 elsewhere. Later becoming north to northeast force 6 to gale force 8.

Weather: Cloudy to fair with scattered showers or more persistent spells of rain. Some mist and fog patches too.

Visibility: Reducing moderate or poor in precipitation or mist and fog, otherwise good.

Outlook for a further 24 hours until 12:00, Saturday 14 February 2026

Fresh to near gale force north to northeast winds, possibly gale force in the south, will gradually ease light to moderate through Friday. Winds will back southerly and increase fresh to strong in the west on Friday night and into Saturday morning, while winds in the east will become light and variable. Weather: Fair with isolated showers. Becoming cloudy in the west and southwest with rain by the end of the period

Forecast issued at: 13:00, Thursday 12 February 2026

All times are local unless specified