Sea Area Forecast
Forecast valid from: 17:30, Sunday 22 February 2026 until 18:00, Monday 23 February 2026
Small Craft Warning
Southwest winds will reach force 6 or higher at times on all Irish coasts throughout the period.
Gale Warning
Southwest winds will reach gale force 8 at times tonight (Sunday night) and overnight (early Monday) on Irish coastal waters from Slyne Head to Rossan Point to Fair Head.
Atlantic Swell
Developing on Atlantic coasts today.
Meteorological Situation at 15:00 UTC
Low Pressure of 978hPa centred approximately 550 nautical miles north-west of Belmullet extends a strong and unstable southwesterly air-flow over Ireland, showery troughs are embedded in the air-flow.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Fair Head to Carnsore Point to Valentia and for the Irish Sea
Wind: Southwest force 5 to 7. Later becoming south to southwest force 4 to 6.
Weather: Scattered showers, some with hail and thunder. Rain, drizzle and mist developing later.
Visibility: Generally good at first, but decreasing moderate or poor in showers. Decreasing mostly moderate or poor later.
Forecast for Valentia to Slyne Head to Fair Head
Wind: Southwest force 6 to gale force 8. Later becoming south to southwest force 5 to 7.
Weather: Scattered showers, some with hail and thunder. Rain, drizzle and mist developing later.
Visibility: Generally good at first, but decreasing moderate or poor in showers. Decreasing mostly moderate or poor later.
Outlook for a further 24 hours until 18:00, Tuesday 24 February 2026
Strong to near gale force winds developing on all Irish coastal waters and on the Irish Sea. Weather: generally cloudy with spells of rain along with areas of mist and drizzle.
Forecast issued at: 17:30, Sunday 22 February 2026
All times are local unless specified
