Sea Area Forecast
Forecast valid from: 06:00, Friday 12 December 2025 until 06:00, Saturday 13 December 2025
Small Craft Warning
South to southwest winds will reach force 6 or higher today on coasts from Mizen Head to Erris Head to Fair Head, extending to all coasts tonight.
Gale Warning
Southwesterly winds will reach gale force 8 Saturday morning on Irish coastal water from Valentia to Erris Head to Bloody Foreland.
Atlantic Swell
On Atlantic coasts.
Meteorological Situation at 03:00 UTC
A depression of 970hPa centred to the southwest of Iceland generates a moderate to strong south to southwest airflow over Ireland. An associated cold front lies to the east of the Irish Sea.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Mizen Head to Erris Head to Fair Head
Wind: South to southwest force 5 to 7. Increasing force 6 to gale force 8 by the end of the period.
Weather: Fair with scattered showers. Becoming cloudy with rain and drizzle developing by the end of the period.
Visibility: Good, decreasing moderate or poor in precipitation.
Forecast for Irish coastal waters from Fair Head to Carnsore Point to Mizen Head and for the Irish Sea
Wind: Increasing southwesterly force 4 or 5 imminent. Soon increasing force 6 at times north of Howth Head. Increasing force 5 or 6 by the end of the period.
Weather: Fair with isolated showers.
Visibility: Mostly good.
Outlook for a further 24 hours until 06:00, Sunday 14 December 2025
Southwesterly winds increasing strong to gale force early on Saturday and reaching strong gale force at times on northwest coasts on Saturday morning and afternoon. Weather: Rain moving in from the west on Saturday morning and spreading eastwards, turning heavy at times.
Forecast issued at: 06:00, Friday 12 December 2025
All times are local unless specified
