Réamhaisnéis limistear na farraige
Forecast valid from: 05:30, Friday 28 August 2026 until 06:00, Saturday 29 August 2026
Small Craft Warning
1. Northwest winds will reach force 6 this afternoon (Friday) and evening on Irish coasts from Fair Head to Belfast Lough. 2. North to northeast winds will reach force 6 tonight (Friday night) on Irish coasts from Roches Point to Mizen Head to Valentia.
Gale Warning
Nil.
Meteorological Situation at 03:00 UTC
A depression of 1004hPa centred over the Irish Sea generates a light to moderate cyclonic airflow over Ireland. The associated occluded fronts lie over the country.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Bloody Foreland to Fair Head to Strangford Lough and for the North Irish Sea
Wind: Cyclonic variable force 3 to 5. West to northwest force 4 or 5 imminent. Soon increasing force 4 to 6. Later variable force 2 to 4.
Weather: Cloudy with showers or rain, heavy at times with a chance of isolated thunderstorms. Imminently cloudy to fair with isolated showers. Areas of mist and fog.
Visibility: Moderate or poor in precipitation, mist and fog.
Forecast for Strangford Lough to Howth Head to Carnsore Point and for the South Irish Sea
Wind: Cyclonic variable force 2 to 4, occasionally increasing force 5. West to northwest force 3 or 4 imminent. Soon backing southwest to west. Later mainly southwest force 3 to 5.
Weather: Cloudy with showers or rain, heavy at times with a chance of isolated thunderstorms. Imminently cloudy to fair with isolated showers. Areas of mist and fog. Rain later.
Visibility: Moderate or poor in precipitation, mist and fog.
Forecast for Carnsore Point to Dungarvan to Valentia
Wind: West to northwest force 3 or 4. Soon backing southwest to west force 3 to 5. Later increasing cyclonic variable force 4 to 6.
Weather: Cloudy to fair with isolated showers. Areas of mist and fog. Rain later.
Visibility: Moderate or poor in precipitation, mist and fog.
Forecast for Valentia to Erris Head to Bloody Foreland
Wind: Cyclonic variable force 2 to 4. Later mainly north to northeast force 3 to 5.
Weather: Cloudy to fair with isolated showers. Areas of mist and fog. Rain later.
Visibility: Moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 06:00, Sunday 30 August 2026
Fresh to strong cyclonic winds in the south and east, increasing near gale force at times. Light to moderate variable winds in the west and north. Moderate to strong southeast to south winds developing in the south and west Saturday night, decreasing light to moderate variable elsewhere. Weather: Widespread rain, heavy at times, gradually clearing eastwards during Saturday and followed by isolated showers. Further rain in south and west Saturday night.
Forecast issued at: 05:30, Friday 28 August 2026
All times are local unless specified
