Sea Area Forecast
Forecast valid from: 12:00, Saturday 22 November 2025 until 12:00, Sunday 23 November 2025
Small Craft Warning
South to southwesterly winds will reach force 6 or higher this evening on coasts from Roches Point to Erris Head to Malin Head, extending to remaining Irish coasts tonight.
Gale Warning
Southerly winds veering westerly will strengthen to gale force 8 at times later tonight (Saturday night) and on Sunday morning on Irish coastal waters from Strangford Lough to Roche's Point to Bloody Foreland and on the Irish Sea, increasing to strong gale force 9 between Slyne Head and Rossan Point.
Atlantic Swell
developing on Sunday on western coasts.
Meteorological Situation at 09:00 UTC
A deepening Low Pressure of 1008hPa is centred approximately 400 nautical miles west of Belmullet and extends a moderate westerly air-flow over Ireland. A strong to gale force southwest to west air-flow will develop over Ireland tonight and Sunday.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Belfast Lough to Howth Head to Carnsore Point and for the Irish Sea
Wind: Southwest to west force 3 or 4. Soon increasing south force 4 or 5. Increasing south to southwest force 5 or 6 later, before veering southwest to west force 6 to gale force 8 on Sunday morning.
Weather: Bright spells and scattered showers. Rain, drizzle and mist soon.
Visibility: Decreasing moderate or poor in precipitation.
Forecast for Irish coastal waters from Carnsore Point to Mizen Head to Bloody Foreland
Wind: Generally west to southwest force 3 or 4. Becoming south to southwest force 3 or 4 imminent. Soon increasing south to southwest force 6 or 7 and possibly gale force 8. Later becoming west force 6 to gale force 8 and reaching strong gale force 9 between Slyne Head and Bloody Foreland.
Weather: Rain, drizzle and mist imminent.
Visibility: Decreasing moderate or poor in precipitation.
Forecast for Irish coastal waters from Bloody Foreland Point to Malin Head to Belfast Lough
Wind: Southwest to west force 3 to 5 imminent. Soon increasing south to southeast force 5 or 6. Later becoming southwest to west force 5 to 7. Becoming cyclonic variable force 3 to 5 by the end of the period.
Weather: Scattered showers. Rain, drizzle and mist soon.
Visibility: Decreasing moderate or poor in precipitation.
Outlook for a further 24 hours until 12:00, Monday 24 November 2025
Strong to gale force west to northwesterly winds, reaching strong gale force for a time in the northwest. Winds becoming cyclonic for a time in the north and northeast. Fresh or strong to near gale northerly winds following later. Further showers or longer spells of rain, with some hail and thunder.
Forecast issued at: 12:00, Saturday 22 November 2025
All times are local unless specified
