Sea Area Forecast
Forecast valid from: 00:00, Monday 22 December 2025 until 00:00, Tuesday 23 December 2025
Small Craft Warning
1. Easterly winds will reach force 6 at times tonight (Sunday night) and tomorrow morning on Irish coasts from Fair Head to Strangford Lough to Howth Head. 2. Easterly winds will reach force 6 Monday evening on Irish coasts from Carnsore Point to Hook Head to Dungarvan.
Gale Warning
Nil
Atlantic Swell
On Atlantic coasts tonight.
Meteorological Situation at 21:00 UTC
Ireland lies in a moderate to fresh easterly airflow generated by a depression of 994hPa centred over western France. An associated front lies over southeastern sea areas.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Malin Head to Carnsore Point to Valentia and for the Irish Sea
Wind: East to northeast force 4 or 5, reaching force 6 at times. Soon veering east to southeast.
Weather: Cloudy with outbreaks of rain and drizzle. Mist patches possible. Becoming cloudy to fair soon.
Visibility: Good, decreasing moderate or poor in precipitation and mist.
Forecast for Irish coastal waters from Valentia to Erris Head to Malin Head
Wind: East to northeast force 2 to 4 and occasionally force 5. Backing north to northeast imminent.
Weather: Cloudy to fair with mist and fog patches. Scattered outbreaks of rain and drizzle later.
Visibility: Good, decreasing moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 00:00, Wednesday 24 December 2025
Mostly light to moderate variable winds in the west, becoming northeasterly and freshening through Tuesday. Mostly moderate to fresh easterly winds elsewhere, becoming east to northeast on Tuesday and increasing strong at times in the south. Weather: Cloudy to fair with rain and drizzle at times. Mist and isolated fog patches.
Forecast issued at: 00:00, Monday 22 December 2025
All times are local unless specified
