Réamhaisnéis limistear na farraige
Forecast valid from: 00:00, Wednesday 30 September 2026 until 00:00, Thursday 01 October 2026
Small Craft Warning
South to southeast winds, becoming south to southwest, will reach force 6 or higher overnight and on Wednesday morning, becoming confined to coasts from Valentia to Malin Head to Carnsore Pt in the afternoon.
Gale Warning
Southerly winds will occasionally reach gale force 8 on Wednesday afternoon on coasts from Slyne Head to Erris Head to Rossan Pt.
Atlantic Swell
Developing on Atlantic coasts on Wednesday evening
Meteorological Situation at 21:00 UTC
A depression of 963 hPa 377 nautical miles west of Rossan Pt, maintains strong to gale force southerly airflow over Ireland. Associated fronts over Leinster and Ulster track slowly northwards and will clear to the northeast overnight with a fresh to strong south to southwest airflow following.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Bloody Foreland to Carlingford Lough to Carnsore Point and for the Irish Sea
Wind: South to southeast force 6 or 7 and gusty, decreasing force 4 or 5 imminent, soon increasing force 5 to 7, later decreasing south to southwest force 4 or 5 and continuing to reach force 6 between Bloody Foreland and Malin Head
Weather: Rain overnight, heavy at times. Scattered showers following on Wednesday
Visibility: Moderate or poor in rain or showers, otherwise good
Forecast for Carnsore Point to Roches Point to Valentia
Wind: South to southwest force 5 to 7, later decreasing southwesterly force 4 or 5
Weather: Occasional showers
Visibility: Good, decreasing moderate or poor in showers
Forecast for Valentia to Slyne Head to Bloody Foreland
Wind: Southerly force 6 or 7 and gusty, soon becoming south to southwest, later occasionally reaching gale force 8 for a time between Slyne Head and Rossan Pt, decreasing Southwesterly force 5 or 6 towards the end of the period.
Weather: Occasional showers
Visibility: Good, decreasing moderate or poor in showers
Outlook for a further 24 hours until 00:00, Friday 02 October 2026
Fresh to strong south to southwest winds, decreasing moderate to fresh southerly on Thursday morning, increasing mostly fresh and occasionally strong in the afternoon and evening. Scattered showers in the west and south. More persistent rain spreading eastwards later on Thursday.
Forecast issued at: 00:00, Wednesday 30 September 2026
All times are local unless specified
