Réamhaisnéis limistear na farraige

Forecast valid from: 18:00, Monday 30 March 2026 until 18:00, Tuesday 31 March 2026

Small Craft Warning

Nil

Gale Warning

Nil

Atlantic Swell

On Atlantic coasts and northern coasts this evening, tonight and early tomorrow.

Meteorological Situation at 15:00 UTC

A mostly moderate to fresh westerly airflow covers Ireland, generated by an anticyclone of 1040hPa, centred approximately 520 nautical miles southwest of Roches Point.

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Valentia to Erris Head to Fair Head

Wind: West or southwest force 4 or 5, occasionally force 6 between Rossan Point and Fair Head. Soon becoming southwesterly force 4 or 5, occasionally force 3.

Weather: Mostly cloudy. Occasional light rain, drizzle and mist. Some fog patches.

Visibility: Mostly good, decreasing moderate or poor in precipitation, mist and fog.

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

Wind: Westerly force 3 to 5. Later becoming southwesterly force 3 or 4, occasionally force 5.

Weather: Cloudy to fair. Occasional light rain, drizzle and mist.

Visibility: Mostly good, decreasing moderate or poor in precipitation and mist.

Outlook for a further 24 hours until 18:00, Wednesday 01 April 2026

Mostly moderate to fresh southwesterly winds, increasing strong for western and northwestern coastal areas Tuesday night and Wednesday morning. Winds will veer northerly for Atlantic and northern sea areas by the end of the period, strong for northern areas. Weather: Mostly cloudy with patchy light rain, drizzle and mist. More persistent rain will develop in the north-west Wednesday morning, slowly sinking southeastwards, becoming patchier as it does so.

Forecast issued at: 18:00, Monday 30 March 2026

All times are local unless specified