Réamhaisnéis limistear na farraige
Forecast valid from: 00:00, Thursday 18 June 2026 until 00:00, Friday 19 June 2026
Small Craft Warning
Southerly winds will reach force 6 late on Thursday morning and afternoon on Irish coasts from Carlingford Lough to Howth Head to Carnsore Point.
Gale Warning
Nil
Meteorological Situation at 21:00 UTC
A slow moving depression of 991 hPa about 450 nautical miles northwest of Belmullet, maintains moderate to fresh southwesterly airflow over Ireland. A frontal system with waves moves northeastwards over Ireland and will remain over the country through the period.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Mizen Head to Erris Head to Fair Head
Wind: South to southwest force 3 to 5, later decreasing force 3 or less
Weather: Rain extending northwards overnight and continuing for the rest of the period, heavy at times.
Visibility: Good in the north of the region at first, decreasing mostly moderate or poor.
Forecast for Fair Head to Wicklow Head to Mizen Head and for the Irish Sea
Wind: Southerly force 3 to 5, soon increasing force 4 to 6, strongest on the east coast and the Irish Sea, later decreasing force 3 to 5 for a time, then increasing force 4 to 6 towards the end of the period
Weather: Rain extending northwards overnight and continuing for the rest of the period, heavy at times.
Visibility: Good in the north of the region at first, decreasing mostly moderate or poor.
Outlook for a further 24 hours until 00:00, Saturday 20 June 2026
On east and south coasts, fresh to strong southerly winds, decreasing moderate to fresh south to southwest on Friday. On west and north coasts, light variable winds increasing light to moderate southwesterly on Friday. Further spells of rain, clearing eastwards through Friday evening and early night
Forecast issued at: 00:00, Thursday 18 June 2026
All times are local unless specified
