Réamhaisnéis limistear na farraige

Forecast valid from: 12:00, Monday 23 March 2026 until 12:00, Tuesday 24 March 2026

Small Craft Warning

Southwest winds will reach force 6 or higher today, tonight and Tuesday on all Irish coasts.

Gale Warning

Southwest winds will reach gale force 8 at times today (Monday) on Irish coastal waters from Erris Head to Rossan Point to Malin Head.

Atlantic Swell

On Atlantic Coasts

Meteorological Situation at 09:00 UTC

Low pressure (96shPa) tracking south of Iceland feeds in a strengthening southwest airflow. Its associated weather fronts will gradually feed in across the country, with an unstable west to northwest flow following later Tuesday.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Valentia to Erris Head to Fair Head

Wind: Southwest force 5 to 7. Force 6 to gale force 8 imminent. Later gradually decreasing force 5 or 6.

Weather: Cloudy with patchy drizzle and mist. Rain soon to later, turning heavy. Squally showers following.

Visibility: Decreasing moderate or poor precipitation or mist.

Forecast for Fair Head to Carnsore Point to Valentia and for the Irish Sea

Wind: South to southwest force 4 or 5. Force 5 or 6 imminent. Increaaing force 6 or 7 by the end of the period.

Weather: Cloudy to fair. Drizzle and rain later, turning heavy. Some mist too.

Visibility: Mostly good. Decreasing moderate or poor precipitation or mist.

Outlook for a further 24 hours until 12:00, Wednesday 25 March 2026

A strong to gale force and unstable north-west flow will feed down scattered heavy showers with some embedded hail and lightning, especially in Altantic areas.

Forecast issued at: 12:00, Monday 23 March 2026

All times are local unless specified