Sea Area Forecast
Forecast valid from: 18:00, Sunday 22 March 2026 until 18:00, Monday 23 March 2026
Small Craft Warning
South to southwest winds will reach force 6 or higher from Monday morning on Irish coasts from Valentia to Bloody Foreland to Howth Head.
Gale Warning
Southwest winds will reach gale force 8 on Monday afternoon on Irish coastal waters from Erris Head to Rossan Point to Malin Head.
Atlantic Swell
On west and northwest coasts on Sunday evening and Sunday night.
Meteorological Situation at 15:00 UTC
Ireland lies in a light to moderate northwesterly airflow between an anticyclone of 1026hPa centred near the Azores and a depression of 962hPa centred east of Iceland.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Valentia to Rossan Point to Belfast Lough
Wind: Variable force 3 or less imminent. Soon increasing southerly force 3 to 5. Later increasing south to southwest force 5 to 7, reaching gale force 8 between Erris Head and Malin Head.
Weather: Cloudy to fair, becoming cloudy later with patchy rain and drizzle.
Visibility: Good, decreasing moderate or poor in precipitation later.
Forecast for Belfast Lough to Carnsore Point to Valentia and for the Irish Sea
Wind: North to northeast force 3 to 5. Soon decreasing force 2 to 4. Later increasing south to southwest force 4 or 5, reaching force 6 north of Howth Head.
Weather: Cloudy to fair with patchy rain, drizzle and mist clearing imminent.
Visibility: Moderate or poor in precipitation and mist, otherwise good.
Outlook for a further 24 hours until 18:00, Tuesday 24 March 2026
Fresh to near gale force southwesterly winds, reaching gale force in the northwest for a time on Monday evening. Veering west to northwest and reaching gale force in the west on Tuesday. Weather: Cloudy with rain and drizzle. Showers in the north and west on Tuesday afternoon with a chance of hail and thunder.
Forecast issued at: 18:00, Sunday 22 March 2026
All times are local unless specified
