Sea Area Forecast
Forecast valid from: 11:00, Saturday 14 March 2026 until 12:00, Sunday 15 March 2026
Small Craft Warning
Southwest winds will reach force 6 or higher tonight and during Sunday on all Irish coasts.
Gale Warning
nil
Atlantic Swell
On Atlantic Coasts with very high seas too
Meteorological Situation at 09:00 UTC
Ireland lies in a mostly moderate westerly airflow with a showery trough line feeding in from the west today. Low pressure to the southwest of Iceland will steer in its associated fronts and strengthening winds overnight, with an unstable flow into Sunday following.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Fair Head to Howth Head to Roches Point and for the Irish Sea
Wind: West to south or variable force 3 to 5. Soon increasing west to southwest force 4 or 5. Further increasing southwest force 6 or 7 later.
Weather: Mostly fine. Fair with well scattered showers imminent. Rain, drizzle and mist later.
Visibility: Good at first. Decreasing moderate or poor at times.
Forecast for Roches Point to Slyne Head to Fair Head
Wind: West backing southwest force 4 or 5. Soon increasing westerly force 6 or 7 and gusty.
Weather: Fair spells and scattered showers. Rain, drizzle and mist later.
Visibility: Generally good. Decreasing moderate or poor later.
Outlook for a further 24 hours until 12:00, Monday 16 March 2026
Low pressure tracking towards the Norwegian Sea, will steer in an unstable westerly flow, with strong to gale force winds, and bands of showers moving in across Ireland during Sunday afternoon and evening. A separate developing low pressure system, in the North Atlantic, will feed its associated warm front into southwestern areas early Monday.
Forecast issued at: 11:00, Saturday 14 March 2026
All times are local unless specified
