Réamhaisnéis limistear na farraige
Forecast valid from: 00:00, Tuesday 17 March 2026 until 00:00, Wednesday 18 March 2026
Small Craft Warning
Southwest winds will reach force 6 or higher throughout the period on all Irish coastal waters and on the Irish sea.
Gale Warning
1. Southwest winds will reach gale force 8 at times early Tuesday on Irish coastal waters from Valentia to Slyne Head to Malin Head.
2. Southerly winds will also reach gale force 8 at times on Tuesday on Irish coastal waters from Fair Head to Carlingford Lough to Wicklow Head and on the Irish Sea.
Atlantic Swell
On northern and western coasts.
Meteorological Situation at 21:00 UTC
A depression with centre pressure of 969hPa located about 600 nautical miles northwest of Erris Head generates a fresh to gale force south to southwest airflow over Ireland.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Malin Head to Howth Head to Mizen Head and for the Irish Sea
Wind: South to southwest force 5 to 7. Soon increasing force 6 or 7 and occasionally gale force 8. Later decreasing southerly force 5 to 7. Easing southerly force 4 to 6 by the end of the period.
Weather: Cloudy with patchy rain and drizzle and mist.
Visibility: Reducing moderate or poor in all precipitation and mist.
Forecast for Mizen Head to Slyne Head to Malin Head
Wind: Southwest force 6 to gale force 8. Soon easing southwest force 5 to 7. Later easing force 4 to 6, remaining force 7 between Slyne Head and Malin Head. Easing further force 3 to 5, and occasionally force 6 by the end of the period.
Weather: Cloudy with rain and drizzle soon. Mist patches also.
Visibility: Reducing moderate or poor in all precipitation and mist.
Outlook for a further 24 hours until 00:00, Thursday 19 March 2026
Moderate to strong south to southwest winds will gradually ease light to moderate on Wednesday morning and gradually back easterly. Easterly winds will strengthen fresh to strong along south and west coasts on Wednesday afternoon. Weather: Cloudy to fair with scattered outbreaks of rain and drizzle. Mist and fog patches too.
Forecast issued at: 00:00, Tuesday 17 March 2026
All times are local unless specified
