Réamhaisnéis limistear na farraige

Forecast valid from: 00:00, Monday 19 January 2026 until 00:00, Tuesday 20 January 2026

Small Craft Warning

1. Southerly winds, veering northwesterly, will reach force 6 tonight (Sunday night) and tomorrow morning (Monday) on Irish coasts from Roches Point to Slyne Head to Fair Head. 2. Southeasterly winds will reach force 6 at times tomorrow (Monday) on Irish coasts from Malin Head to Strangford Lough to Carnsore Point. 3. Southeasterly winds will reach force 6 late tomorrow (Monday) on Irish coasts from Dungarvan to Valentia to Slyne Head.

Gale Warning

Southeasterly winds will reach gale force 8 late Monday on Irish coastal waters from Roches Point to Valentia to Loop Head.

Atlantic Swell

On southwestern, western and northwestern coasts.

Meteorological Situation at 21:00 UTC

A broad and complex area of low pressure with multiple centres near Iceland and Greenland generates a moderate to strong mostly southerly airflow over Ireland. An associated occluded weather front tracks eastwards over the country.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Irish coastal waters from Roche's Point to Slyne Head to Bloody Foreland

Wind: Imminent becoming northwesterly force 4 to 6. Soon decreasing northwesterly or variable force 2 to 4. Later gradually backing southeasterly and increasing force 4 to 6. Further increasing near gale force 7 or gale force 8 between Roches Point and Loop Head by the end of the period.

Weather: Cloudy with outbreaks of rain and drizzle. Some mist patches too. Soon becoming cloudy to fair with scattered showers.

Visibility: Decreasing moderate or poor in precipitation and mist.

Forecast for Irish coastal waters from Bloody Foreland to Howth Head to Roche's Point and for the Irish Sea

Wind: Imminent becoming southeasterly force 4 to 6. Later becoming mostly southwesterly force 3 or 4 between Carlingford Lough and Carnsore Point and in the south Irish Sea.

Weather: Cloudy with outbreaks of rain and drizzle and mist imminent. Later becoming cloudy to fair with scattered showers.

Visibility: Decreasing moderate or poor in precipitation and mist.

Outlook for a further 24 hours until 00:00, Wednesday 21 January 2026

Mostly east to southeast winds will increase fresh to near gale force through the first half of Tuesday, reaching gale force at times. Winds will decrease moderate to fresh and become cyclonic variable in the west through the second half of Tuesday. Weather: Cloudy and outbreaks of rain spreading from the southwest through Tuesday.

Forecast issued at: 00:00, Monday 19 January 2026

All times are local unless specified