Réamhaisnéis limistear na farraige

Forecast valid from: 17:25, Wednesday 26 August 2026 until 18:00, Thursday 27 August 2026

Small Craft Warning

Northeast to east winds will reach force 6 tonight (Wednesday night) and tomorrow morning on Irish coasts from Dungarvan to Mizen Head to Loop Head.

Gale Warning

nil

Meteorological Situation at 15:00 UTC

A depression of 1001hPa centred approximately 250 nautical miles southwest of Valentia generates a moderate to fresh easterly airflow over Ireland. An occluded front clears northwards. Further fronts will push up from the south tomorrow, as the low pressure area moves closer to Ireland.

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Slyne Head to Rossan Point to Fair Head

Wind: Northeast to east force 3 or 4. Later becoming north to northeast force 4 or 5.

Weather: Mostly cloudy with scattered rain or drizzle. Cloudy to fair imminent with isolated showers, heavy at times with a chance of thunderstorms. Patches of mist. Cloudy to fair later.

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

Forecast for Fair Head to Carlingford Lough to Carnsore Point and for the Irish Sea

Wind: Northeast to east or variable force 3 to 5. Soon becoming easterly force 4 or 5, occasionally force 6 in the north Irish Sea. Later becoming variable force 2 to 4.

Weather: Cloudy or fair with scattered showers, heavy at times with a chance of thunderstorms. Soon and later becoming cloudy with spells of heavy rain or thundery rain. Patches of mist and fog.

Visibility: Mostly good at first, except in any showers. Decreasing moderate or poor in precipitation, mist and fog.

Forecast for Carnsore Point to Mizen Head to Slyne Head

Wind: East to northeast force 4 or 5. Increasing force 4 to 6 imminent. Further increasing northeast force 5 or 6 soon. Later becoming variable force 2 to 4.

Weather: Cloudy to fair with scattered showers, heavy at times with a chance of thunderstorms. Soon and later becoming cloudy with rain, heavy at times.

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

Outlook for a further 24 hours until 12:00, Friday 28 August 2026

Moderate to fresh north to northeast winds on Atlantic coasts. Light to moderate variable winds elsewhere. Winds becoming generally moderate to fresh, occasionally strong, west to northwest later. Cloudy with rain in the east and south, heavy at times, clearing later to fair weather with scattered showers. Cloudy to fair with scattered showers elsewhere.

Forecast issued at: 17:25, Wednesday 26 August 2026

All times are local unless specified