Sea Area Forecast
Forecast valid from: 12:00, Wednesday 11 February 2026 until 12:00, Thursday 12 February 2026
Small Craft Warning
1. Easterly winds, backing northeasterly will reach force 6 or higher at times today (Wednesday) on Irish coasts from Bloody Foreland to Fair Head to Belfast Lough, extending from Slyne Head to Malin Head to Strangford Lough tonight and tomorrow.
2. Southwesterly winds, veering westerly will reach force 6 at times today (Wednesday) on Irish coasts from Carnsore Point to Roche's Point to Valentia, extending from Wicklow Head to Roches Point to Slyne Head tonight and tomorrow.
Gale Warning
Nil
Atlantic Swell
On western and southwestern coasts.
Meteorological Situation at 09:00 UTC
An elongated depression of 974hPa centred approximately 100 nautical miles west of Loop Head generates a mostly moderate to strong cyclonic variable airflow over the country. Associated frontal troughs are embedded in the flow.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Howth Head to Roches Point to Slyne Head and for the South Irish Sea
Wind: Southwesterly or variable force 4 or 5, reaching force 6 at times. Soon increasing westerly or variable force 4 to 6, reaching force 7 in the southwest. Later increasing westerly or variable force 5 to 7.
Weather: Mostly cloudy with showers or longer spells of rain. Mist patches. Chance of isolated thunderstorms later.
Visibility: Reducing moderate or poor in precipitation or mist.
Forecast for Slyne Head to Malin Head to Howth Head and for the North Irish Sea
Wind: Southwesterly or variable force 4 or 5, reaching force 6 at times. Soon increasing westerly or variable force 4 to 6, reaching force 7 in the southwest. Later increasing westerly or variable force 5 to 7.
Weather: Mostly cloudy with showers or longer spells of rain. Mist patches. Chance of isolated thunderstorms later.
Visibility: Reducing moderate or poor in precipitation or mist and fog.
Outlook for a further 24 hours until 12:00, Friday 13 February 2026
Fresh to near gale force northeasterly or cyclonic variable winds, becoming north to northeast Thursday night and easing moderate in the north by the end of the period. Weather: Rain and drizzle or showers. Mist and fog patches too.
Forecast issued at: 12:00, Wednesday 11 February 2026
All times are local unless specified
