Réamhaisnéis limistear na farraige

Forecast valid from: 23:00, Friday 03 April 2026 until 00:00, Sunday 05 April 2026

Small Craft Warning

Southerly or cyclonic variable winds will reach force 6 or higher overnight on Irish coasts from Roches Point to Mizen Head to Loop Head extending to all Irish coasts later.

Gale Warning

South to southwest veering northwest in some Atlantic sea areas will reach gale force 8 or 9 later, on Irish coastal waters from Fair Head to Roches Point to Bloody Foreland and on the Irish Sea.

Atlantic Swell

Developing on west and south-west Atlantic coasts overnight and extending to all Irish coastal waters and on the Irish Sea at times throughout Saturday.

Meteorological Situation at 21:00 UTC

Ireland lies in a fresh to near gale force and gusty westerly airflow within a broad area of low pressure. A depression of 990hPa is located approximately 300 nautical miles south of Iceland, while a second depression with a centre low of 980hPa is located approximately 200 nautical miles north of the Faroe Islands.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

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

Wind: Westerly force 3 or 4, occasionally force 5 on the Irish Sea. Backing southerly and increasing force 5 to 7 between Roches Point and Valentia imminent. Soon increasing southwest force 6 or 7, and occasionally gale force 8 between Mizen Head and Valentia. Later increasing force 7 or gale force 8, and occasionally strong gale force 9.

Weather: Fair to cloudy with outbreaks of light rain and drizzle, turning more persistent and heavy at times. Mist patches too. Scattered showers developing later.

Visibility: Reducing moderate or poor in all precipitation and mist.

Forecast for Valentia to Loop Head to Slyne Head

Wind: Westerly force 3 or 4, backing southeasterly imminent. Soon veering southwest force 7 or gale force 8. Later veering northwesterly force 4 to 6.

Weather: Cloudy with rain and drizzle imminent, turning heavy and persistent at times. Scattered showers later. Mist patches too.

Visibility: Reducing moderate or poor in all precipitation and mist.

Forecast for Slyne Head to Bloody Foreland to Malin Head

Wind: Westerly force 4 or 5, decreasing southwest force 2 to 4 imminent. Soon backing east to southeast force 5 or 6. Later increasing northerly force 6 or 7, and occasionally gale force 8. Later decreasing northwest force 4 to 6.

Weather: Cloudy with rain and drizzle imminent, turning heavy and persistent soon. Scattered showers developing later. Mist and fog patches too.

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

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

Wind: Westerly force 4 or 5, decreasing force 3 or 4 imminent. Soon increasing southeast force 5 to 7. Later increasing southerly force 6 to gale force 8, and occasionally strong gale force 9. Veering westerly and decreasing force 5 to 7 by the end of the period, remaining gale force 8 on the North Irish Sea.

Weather: Fair to cloudy with isolated showers. Rain and drizzle soon, turning heavy and more persistent at times. Scattered showers developing by the end of the period. Mist patches too.

Visibility: Reducing moderate or poor in all precipitation and mist.

Outlook for a further 24 hours until 00:00, Monday 06 April 2026

Fresh to strong westerly winds will gradually moderate to fresh on Sunday evening. Moderate southerly winds will increase strong to near gale force form the west overnight on Sunday into Monday morning. Weather: Cloudy to fair with scattered showers, some heavy at times with the chance of isolated thunderstorms or hail. Showers becoming isolated Sunday evening.

Forecast issued at: 23:00, Friday 03 April 2026

All times are local unless specified