Sea Area Forecast
Forecast valid from: 18:00, Sunday 18 January 2026 until 18:00, Monday 19 January 2026
Small Craft Warning
1. Southerly winds, veering northwesterly, will reach force 6 or higher at times today, tonight and tomorrow morning on Irish coasts from Roches Point to Slyne Head to Fair Head. 2. Southeasterly winds will reach force 6 or higher at times tomorrow from Malin Head to Strangford Lough to Carnsore Point.
Gale Warning
Nil
Atlantic Swell
Developing on Atlantic coasts on Monday.
Meteorological Situation at 15:00 UTC
A broad depression of 970hPa centred over Greenland generates a moderate to strong southerly airflow over Ireland. An associated occluded front lies off the west coast of Ireland and will cross the country through the period.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Bloody Foreland to Carlingford Lough to Hook Head and for the Irish Sea
Wind: Southerly force 3 to 5. Soon reaching force 6 for a time between Bloody Foreland and Fair Head. Later backing southeasterly force 4 to 6.
Weather: Cloudy or fair with scattered showers. Soon becoming cloudy with outbreaks of 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: Increasing southerly or cyclonic variable force 5 to 7 imminent. Later decreasing cyclonic variable force 4 or 5 and decreasing southwesterly force 3 to 5 by the end of the period.
Weather: Outbreaks of rain, drizzle and mist spreading from the west imminent. Becoming fair later.
Visibility: Decreasing moderate or poor in precipitation and mist.
Forecast for Irish coastal waters from Valentia to Erris Head to Bloody Foreland
Wind: Southerly force 6 or 7 and gusty. Soon becoming northwesterly force 4 or 5. Later becoming variable force 3 or less. By the end of the period increasing southerly force 3 or 4 and reaching force 5 in the south.
Weather: Outbreaks of rain, drizzle and mist. Becoming cloudy to fair later with isolated showers.
Visibility: Decreasing moderate or poor in precipitation and mist.
Outlook for a further 24 hours until 18:00, Tuesday 20 January 2026
Moderate to strong southeasterly winds will increase fresh to near gale force from the southwest Monday night, possibly reaching gale force in places. Weather: Rain, drizzle and mist clearing northwards to fair conditions in the south. Becoming cloudy with rain spreading from the south on Tuesday.
Forecast issued at: 18:00, Sunday 18 January 2026
All times are local unless specified
