Réamhaisnéis limistear na farraige

Forecast valid from: 12:00, Saturday 11 April 2026 until 12:00, Sunday 12 April 2026

Small Craft Warning

Southwest winds will reach force 6 or higher on all Irish coasts.

Gale Warning

Southwest winds will reach gale force 8 or strong gale force 9 on all Irish coastal waters.

Atlantic Swell

On Atlantic coasts.

Meteorological Situation at 09:00 UTC

Low pressure of 971hPa located approximately 115 nautical miles north-west of Ireland generates a fresh to strong southwesterly airflow over the country, with gale to strong gale force winds along the coasts, and on the Irish Sea.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Howth Head to Roches Point to Valentia and for the South Irish Sea

Wind: Southwest force 6 or 7, increasing force 6 to gale force 8, and occasionally strong gale force 9 imminent. Soon decreasing westerly force 6 or 7, and occasionally gale force 8. Later decreasing force 5 or 6, easing force 4 to 6 by the end of the period.

Weather: Cloudy to fair with scattered showers, heavy and persistent at times with the chance of hail or isolated thunder.

Visibility: Good, reducing moderate or poor in showers.

Forecast for Valentia to Erris Head to Fair Head

Wind: Southwest force 7 or gale force 8, veering westerly imminent. Soon decreasing westerly force 6 or 7. Later increasing force 6 to gale force 8.

Weather: Mostly cloudy with scattered showers, heavy at times with the chance of hail or thunder.

Visibility: Good, reducing moderate or poor in showers.

Forecast for Fair Head to Strangford Lough to Howth Head and for the North Irish Sea

Wind: Southwest force 6 or 7, increasing force 7 or gale force 8 imminent. Soon decreasing force 6 or 7, and occasionally gale force 8. Later decreasing force 5 or 6, and occasionally force 7.

Weather: Cloudy to fair with scattered showers, heavy at time with the chance of hail or isolated thunder.

Visibility: Good, reducing moderate or poor in showers.

Outlook for a further 24 hours until 12:00, Monday 13 April 2026

Moderate to strong southwest to west winds, will reach gale force strength at times in the northwest on Sunday morning. Westerly winds will gradually ease moderate throughout Sunday before backing southerly overnight into Monday, staying strong and gusty for a time in the northwest and north. Weather: Mostly fair with scattered showers, heavy at times, but becoming more isolated throughout the afternoon.

Forecast issued at: 12:00, Saturday 11 April 2026

All times are local unless specified