Sea Area Forecast
Forecast valid from: 12:00, Friday 12 December 2025 until 12:00, Saturday 13 December 2025
Small Craft Warning
South to southwest winds will reach force 6 or higher on Friday afternoon and evening on Irish coasts from Loop Head to Erris Head to Fair Head, extending to all Irish coasts through Friday night and Saturday morning.
Gale Warning
South to southwest winds will reach gale force 8 or strong gale force 9 on Saturday morning on Irish coastal waters from Valentia to Erris Head to Fair Head.
Atlantic Swell
On Atlantic coasts.
Meteorological Situation at 09:00 UTC
A depression of 969hPa centred to the southwest of Iceland generates a moderate to strong south to southwest airflow over Ireland. An occlusion in the west will track eastwards across Ireland on Friday and weaken.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Valentia to Erris Head to Fair Head
Wind: South to southwest force 5 to 7 and gusty, occasionally force 4 south of Loop Head. Later increasing force 7 or gale force 8 and gusty, occasionally reaching strong gale force 9 between Slyne Head and Malin Head.
Weather: Fair with scattered showers. Later becoming cloudy with rain and drizzle.
Visibility: Good, decreasing moderate or poor in precipitation.
Forecast for Irish coastal waters from Fair Head to Carnsore Point to Valentia and for the Irish Sea
Wind: South to southwest force 4 or 5 and occasionally gusty in the south and southwest. Later increasing force 6 or 7 and gusty.
Weather: Fair with isolated showers.
Visibility: Mostly good.
Outlook for a further 24 hours until 12:00, Sunday 14 December 2025
Strong to gale force and gusty south to southwest winds, increasing strong gale force on Saturday afternoon in the west and northwest. Decreasing moderate to strong in the north and northwest on Saturday night. Weather: Rain and drizzle, heavy at times. Occasional mist and fog.
Forecast issued at: 12:00, Friday 12 December 2025
All times are local unless specified
