Sea Area Forecast
Forecast valid from: 12:00, Sunday 18 January 2026 until 12:00, Monday 19 January 2026
Small Craft Warning
Southerly winds, veering northwesterly, will reach force 6 or higher at times today, tonight and tomorrow morning on Irish coasts from Carnsore Point to Loop Head to Malin Head.
Gale Warning
Nil
Atlantic Swell
Developing on Atlantic coasts on Monday
Meteorological Situation at 09:00 UTC
A broad depression of 963hPa centred over Greenland generates a moderate to fresh southeasterly airflow over Ireland.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Malin Head to Howth Head to Hook Head and for the Irish Sea
Wind: Southerly force 3 or 4, reaching force 5 at times. Soon increasing force 4 or 5, later reaching force 6 at times.
Weather: Cloudy or fair with scattered showers. Later becoming cloudy with rain, drizzle and mist.
Visibility: Decreasing moderate or poor in precipitation and mist.
Forecast for Irish coastal waters from Hook Head to Roches Point to Valentia
Wind: Southerly force 4 or 5, increasing force 6 at times imminent. Soon increasing cyclonic variable force 5 to 7, later decreasing northwest force 4 or 5.
Weather: Cloudy or fair. Rain, drizzle and mist soon. Cloudy or fair later.
Visibility: Decreasing moderate or poor in precipitation and mist.
Forecast for Irish coastal waters from Valentia to Slyne Head to Malin Head
Wind: Southerly force 5 or 6, reaching force 7 at times. Soon becoming northwesterly or cyclonic variable. Later becoming northwesterly or variable force 3 or less.
Weather: Rain, drizzle and mist imminent.
Visibility: Decreasing moderate or poor in precipitation and mist.
Outlook for a further 24 hours until 12:00, Tuesday 20 January 2026
Moderate to strong winds, southerly in the east and north and westerly elsewhere. Winds increasing fresh to near gale force easterly on Tuesday, possibly reaching gale force in places. Weather: Rain, drizzle and mist, fair in the south and southwest. Further rain on Tuesday.
Forecast issued at: 12:00, Sunday 18 January 2026
All times are local unless specified
