Réamhaisnéis limistear na farraige
Forecast valid from: 23:00, Monday 03 August 2026 until 00:00, Wednesday 05 August 2026
Small Craft Warning
1) East to southeasterly winds will reach force 6 at times tonight (Monday night) on Irish coasts from Malin Head to Belfast Lough to Howth Head.
2) Northwesterly winds will increase to force 6 from Tuesday afternoon on Irish coasts from Loop Head to Erris Head to Malin Head.
Gale Warning
Nil.
Meteorological Situation at 21:00 UTC
Ireland lies in a mostly moderate to strong cyclonic variable airflow generated by a depression of 1003hpa centred to the west of Ireland and tracking slowly northwards. Associated fronts embedded within the flow continue to track northwards.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Malin Head to Carlingford Lough to Carnsore Point and for the Irish Sea
Wind: Becoming southeasterly force 4 to 6 imminent, southerly force 4 or 5 south of Howth Head and on the South Irish Sea. Soon mostly southerly decreasing mostly force 4 or 5, south or southeasterly force 3 or 4 between Malin Head and Belfast Lough. Later becoming southwest to west force 4 or 5.
Weather: Cloudy with showery outbreaks of rain and drizzle, some heavy especially further north and east with the chance of isolated thunder. Mist and fog too. Soon becoming cloudy to fair with scattered showers and mist patches. Later some of the showers turning heavy and possibly thundery.
Visibility: Moderate to poor in precipitation, mist and fog. Otherwise good.
Forecast for Carnsore Point to Roches Point to Mizen Head
Wind: Backing south to southwest mostly force 4 imminent. Soon increasing force 4 or 5 and veering westerly west of Roches Point. Later increasing west to northwest force 5 or 6.
Weather: Cloudy with showery outbreaks of rain and drizzle, some heavy especially further north and east with the chance of isolated thunder. Mist and fog too. Soon becoming cloudy to fair with scattered showers and mist patches. Later some of the showers turning heavy and possibly thundery.
Visibility: Moderate to poor in precipitation, mist and fog. Otherwise good.
Forecast for Mizen Head to Slyne Head to Malin Head
Wind: Decreasing cyclonic variable force 3 or 4 imminent. Soon increasing northwesterly force 4 or 5, southwest to west force 4 north of Rossan Point. Later increasing northwesterly mostly force 6, occasionally force 7, force 5 south of Loop Head.
Weather: Cloudy with showery outbreaks of rain and drizzle, some heavy especially further north and east with the chance of isolated thunder. Mist and fog too. Soon becoming cloudy to fair with scattered showers and mist patches. Later some of the showers turning heavy and possibly thundery.
Visibility: Moderate to poor in precipitation, mist and fog. Otherwise good.
Outlook for a further 24 hours until 00:00, Thursday 06 August 2026
Wind: Fresh to strong and gusty west to northwest winds, increasing strong to near gale force in parts of the west, north and east and reaching gale force in parts of the northwest, northeast and on the north Irish Sea. Weather: Cloudy in the northwest, north and northeast with rain, heavy at times. Elsewhere, cloudy to fair with scattered showers.
Forecast issued at: 23:00, Monday 03 August 2026
All times are local unless specified
