Sea Area Forecast
Forecast valid from: 12:00, Tuesday 21 October 2025 until 12:00, Wednesday 22 October 2025
Small Craft Warning
West to northwest winds will reach force 6 for a time this afternoon on coasts from Erris Head to Fair Head to Howth Head, becoming confined to coasts from Bloody Foreland to Malin Head to Fair Head this evening
Gale Warning
Nil
Meteorological Situation at 09:00 UTC
A depression of 979 hPa to the northwest of Scotland, generates a moderate to fresh unstable northwesterly airflow over Ireland
Small Craft Warning: In effect
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Mizen Head to Slyne Head to Bloody Foreland
Wind: Northwesterly force 4 to 6, strongest north of Erris Head, decreasing force 4 or 5 imminent, soon backing westerly force 3 or 4, later decreasing force 2 or 3 on Wednesday morning.
Weather: Scattered showers
Visibility: Good, decreasing moderate or poor in showers
Forecast for Irish coastal waters from Bloody Foreland to Fair Head to Carlingford Lough and for the Irish Sea north of the Isle of Man
Wind: West to northwest force 5 to 7, soon decreasing force 4 to 6, later decreasing force 3 or 4, occasionally force 5 in the north.
Weather: Rain in the northeast at first, otherwise scattered showers, becoming isolated tonight.
Visibility: Good, decreasing moderate or poor in showers
Forecast for Irish coastal waters from Carlingford Lough to Carnsore Pt to Mizen Head and for the Irish Sea south of the Isle of Man
Wind: Westerly force 4 or 5 and reaching force 6 at first north of Howth Head and the north Irish Sea, soon becoming west to northwest force 4 or 5, later backing west to southwest force 3 to 4, becoming southwesterly force 2 to 4 by the end of the period.
Weather: Scattered showers, becoming isolated tonight.
Visibility: Good, decreasing moderate or poor in showers
Outlook for a further 24 hours until 12:00, Thursday 23 October 2025
Light to moderate west to southwest winds, becoming moderate to fresh north to northwest on west and north coasts, becoming light to moderate easterly or variable on east and south coasts, veering fresh to strong northerly overnight. Rain spreading from the southwest, mainly affecting Munster and Leinster coasts. Scattered showers elsewhere.
Forecast issued at: 12:00, Tuesday 21 October 2025
All times are local unless specified
