Sea Area Forecast
Forecast valid from: 00:00, Sunday 22 March 2026 until 00:00, Monday 23 March 2026
Small Craft Warning
Southwest winds will reach force 6 at times tonight (Saturday night) on Irish coasts from Rossan Point to Bloody Foreland to Malin Head.
Gale Warning
nil
Atlantic Swell
Developing on western and northwestern coasts.
Meteorological Situation at 21:00 UTC
Ireland lies in a mostly light to moderate southwesterly airflow with high pressure over the mid-Atlantic and a depression of 981hPa centred south of Iceland. A weak frontal trough associated with the depression approaches the northwest of the country.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Mizen Head to Erris Head to Fair Head
Wind: Imminent decreasing southwest to west force 3 or 4, occasionally reaching force 5. Soon veering northwest to north. Decreasing variable force 2 to 4 by the end of the period.
Weather: A mix of cloud and clear spells with isolated patches of rain and drizzle. Some mist and fog patches too.
Visibility: Decreasing moderate or poor in precipitation or mist and fog, otherwise good.
Forecast for Fair Head to Carnsore Point to Mizen Head and for the Irish Sea
Wind: Southwest to west force 2 to 4. Imminent veering west to northwest. Later becoming northerly force 3 to 5.
Weather: A mix of cloud and clear spells with isolated patches of rain and drizzle. Some mist and fog patches too.
Visibility: Decreasing moderate or poor in precipitation or mist and fog, otherwise good.
Outlook for a further 24 hours until 00:00, Tuesday 24 March 2026
Light to moderate variable winds on Sunday night will gradually become southwesterly and increase fresh to strong through Monday, reaching near gale force in the northwest. Weather: A mix of cloud and clearer spells with isolated patches of rain or drizzle.
Forecast issued at: 00:00, Sunday 22 March 2026
All times are local unless specified
