Sea Area Forecast
Forecast valid from: 00:00, Monday 23 February 2026 until 00:00, Tuesday 24 February 2026
Small Craft Warning
Southwest winds will reach force 6 or higher at times on all Irish coasts through the period.
Gale Warning
Southwest winds will reach gale force 8 at times overnight (early Monday) on Irish coastal waters from Slyne Head to Rossan Point to Fair Head
Atlantic Swell
On Atlantic coasts through the period
Meteorological Situation at 21:00 UTC
A depression of 983 hPa about 380 nautical miles north-west of Bloody foreland moves eastwards and generates a fresh to near gale force unstable westerly airflow over Ireland. A warm front approaches from the south-west and will move northeastwards over Ireland on Monday.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Valentia to Slyne Head to Fair Head
Wind: Southwesterly force 6 or 7 and occasionally reaching gale force 8 between Slyne Head and Fair Head, soon decreasing south to southwest force 4 to 6, later increasing force 6 or 7.
Weather: Isolated showers overnight, mainly in the north. Rain and drizzle spreading north-eastwards on Monday.
Visibility: Good, decreasing moderate or poor in showers and in rain on Monday.
Forecast for Fair Head to Carnsore Point to Valentia and for the Irish Sea
Wind: Southwesterly force 5 to 7, soon decreasing force 4 to 6, later becoming south to southwest.
Weather: A few showers overnight. Rain and drizzle spreading north-eastwardson Monday.
Visibility: Good, decreasing moderate or poor in showers and in rain on Monday.
Outlook for a further 24 hours until 00:00, Wednesday 25 February 2026
Fresh to strong southerly winds, reaching near gale force in the north-west for a time, decreasing moderate to fresh early on Tuesday night. Rain, drizzle and mist, rain becoming heavier later on Tuesday.
Forecast issued at: 00:00, Monday 23 February 2026
All times are local unless specified
