Réamhaisnéis limistear na farraige
Forecast valid from: 18:00, Thursday 25 June 2026 until 18:00, Friday 26 June 2026
Small Craft Warning
1. North to northeast winds will reach force 6 or higher at times this evening (Thursday), tonight and tomorrow (Friday) on Irish coasts from Valentia to Erris Head to Fair Head.
2. Southerly winds will reach force 6 at times tomorrow afternoon (Friday) on Irish coasts from Carlingford Lough to Wicklow Head to Carnsore Point.
Gale Warning
Nil
Meteorological Situation at 15:00 UTC
Ireland lies in a predominantly moderate to fresh northeasterly airflow with a depression of 1008hPa, centred over the Bay of Biscay, and an anticyclone of 1024hPa, centred over the North Sea. A warm front lies to the northwest and a cold front will approach from the south later tonight and tomorrow morning.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Slyne Head to Rossan Point to Fair Head
Wind: North or northeast force 4 to 6 and gusty. Later decreasing northeasterly or variable force 3 to 5.
Weather: Cloudy to fair with scattered thundery showers. Severe thunderstorms possible.
Visibility: Reducing moderate or poor precipitation.
Forecast for Fair Head to Strangford Lough to Howth Head and for the North Irish Sea
Wind: East or southeast or variable force 3 to 5, occasionally force 6 on the North Irish Sea. Soon becoming variable force 3 to 5. Later increasing southerly force 4 to 6, possibly reaching force 7 at times on the north Irish Sea.
Weather: Cloudy to fair with some showers, some of which could be heavy and thundery.
Visibility: Reducing moderate or poor in precipitation.
Forecast for Howth Head to Carnsore Point to Roches Point and for the South Irish Sea
Wind: Southerly or variable force 3 or 4, occasionally force 5. Later increasing southerly force 4 to 6, strongest in the east.
Weather: Cloudy to fair with some showers, heavy and thundery at times. Cloudy to fair later with some mist and fog patches.
Visibility: Reducing moderate or poor in precipitation, mist and fog.
Forecast for Roches Point to Valentia to Slyne Head
Wind: Increasing northeasterly force 4 to 6 imminent, possibly force 7 for a time in the west. Later becoming southerly force 4 or 5.
Weather: Cloudy to fair with some showers, heavy and thundery at times. Cloudy to fair with some mist and fog patches later.
Visibility: Reducing moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 18:00, Saturday 27 June 2026
Moderate to strong southerly winds developing in all areas Friday evening and early night, reaching near gale force at times in the west at first and in the west late Friday night and early Saturday morning. Weather: Cloudy to fair with scattered showers, some of which will be heavy with thunderstorms, especially in the north and northwest Friday evening and early night, clearing northwards. Rain and showers following from the west. Some mist and fog patches.
Forecast issued at: 18:00, Thursday 25 June 2026
All times are local unless specified
