Sea Area Forecast
Forecast valid from: 12:00, Sunday 14 December 2025 until 12:00, Monday 15 December 2025
Small Craft Warning
South or southwest winds will reach force 6 or higher at times on all Irish coasts this afternoon (Sunday), becoming confined to coasts from Fair Head to Carnsore Point to Mizen Head this evening and early tonight.
Gale Warning
South to southwest winds will reach gale force 8 this afternoon (Sunday) on Irish coastal waters from Belfast Lough to Wicklow Head to Dungarvan and on the Irish Sea, becoming confined to coasts from Belfast Lough to Carlingford Lough to Howth Head and the Irish Sea this evening
Atlantic Swell
At times on Atlantic coasts
Meteorological Situation at 09:00 UTC
A strong to gale force southerly airflow covers Ireland associated with depressions well to the north and west. Frontal waves move up over the country from the southwest.
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 Dungarvan and for the Irish Sea
Wind: Southerly force 7 or gale force 8, soon decreasing force 6 or 7, later veering west to northwest force 2 to 4, becoming northwest to north on Monday morning.
Weather: Spells of rain, heavy at times, clearing southeastwards overnight and early on Monday morning.
Visibility: Moderate or poor, increasing good as rain clears.
Forecast for Irish coastal waters from Dungarvan to Erris Head to Belfast Lough
Wind: Southerly force 6 or 7, soon veering westerly force 4 or 5, later backing west to southwest force 3 to 5 and occasionally reaching force 6 between Erris Head and Malin Head.
Weather: Spells of rain heavy at times, clearing eastwards early tonight. Isolated showers following.
Visibility: Moderate or poor, increasing good as rain clears and decreasing moderate or poor in any showers.
Outlook for a further 24 hours until 12:00, Tuesday 16 December 2025
Moderate to fresh west to northwest winds on east and south coasts, decreasing mostly moderate. Moderate to fresh west to southwest winds on west and north coasts, occasionally increasing strong in the northwest. Scattered showers on west and northwest coasts. Fair elsewhere.
Forecast issued at: 12:00, Sunday 14 December 2025
All times are local unless specified
