Sea Area Forecast
Forecast valid from: 00:00, Monday 12 January 2026 until 00:00, Tuesday 13 January 2026
Small Craft Warning
Southwest winds will reach force 6 or higher tonight (Sunday night) and tomorrow (Monday) on all Irish coasts, becoming confined to coasts from Strangford Lough to Hook Head to Loop Head from late tomorrow afternoon.
Gale Warning
Southwest winds will reach gale force at times tonight (Sunday) on Irish coastal waters from Rossan Point to Malin Head to Fair Head.
Atlantic Swell
Heavy swell developing on Atlantic coasts on Monday.
Meteorological Situation at 21:00 UTC
Ireland lies in a very strong southwesterly airflow with a depression of 971 hPa to the northwest. An associated occlusion lies across the northwest of the country and will clear northeastwards overnight.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Erris Head to Bloody Foreland to Fair Head
Wind: Southwest force 6 to gale force 8 and gusty. Imminently decreasing force 6 or 7. Soon decreasing force 5 to 7. Later veering west to northwest force 3 or 4.
Weather: Cloudy to fair with scattered showers and patches of mist. Chance of isolated thunderstorms.
Visibility: Mostly good but decreasing moderate or poor in showers and mist.
Forecast for Irish coastal waters from Fair Head to Wicklow Head to Mizen Head and for the Irish Sea
Wind: Southwest force 6 or 7 and gusty. Imminently decreasing force 5 or 6. Later decreasing force 4 to 6.
Weather: Cloudy to fair with scattered showers and patches of mist.
Visibility: Mostly good but decreasing moderate or poor in showers and mist.
Forecast for Irish coastal waters from Mizen Head to Loop Head to Erris Head
Wind: Southwest force 5 or 6 and gusty, occasionally increasing force 7 south of Loop Head. Later becoming cyclonic variable force 4 to 6.
Weather: Cloudy to fair with scattered showers and patches of mist. Chance of isolated thunderstorms.
Visibility: Mostly good but decreasing moderate or poor in showers and mist.
Outlook for a further 24 hours until 00:00, Wednesday 14 January 2026
Mainly moderate to strong cyclonic winds, becoming northwesterly during Tuesday morning and backing west to northwest by the end of the period. Weather: Rain moving eastwards across all areas, with fair conditions and isolated showers following from the west.
Forecast issued at: 00:00, Monday 12 January 2026
All times are local unless specified
