Sea Area Forecast

Forecast valid from: 12:00, Thursday 27 November 2025 until 12:00, Friday 28 November 2025

Small Craft Warning

Southwesterly winds will reach force 6 or higher at times on all Irish coasts during the period.

Gale Warning

Southwesterly winds will reach gale force 8 or strong gale force 9 this afternoon on Irish coastal waters from Valentia to Erris Head to Fair Head extending to Irish coastal waters from Valentia to Bloody Foreland to Carlingford Lough and the North Irish Sea later.

Atlantic Swell

On Atlantic Coasts

Meteorological Situation at 09:00 UTC

Low pressure of 958hPa to the northwest of Ireland slowly moves northeast. Several fronts extend from the low south over Ireland. High pressure of 1027hPa lies west of Iberia.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Irish coastal waters from Valentia to Rossan Point to Strangford Lough and for the Irish Sea.

Wind: Southwest force 7 or gale force 8, occasionally strong gale force 9 imminent. Later easing westerly force 7 or gale force 8.

Weather: Fair with showers, some heavy with hail.

Visibility: Reducing moderate in showers.

Forecast for Irish coastal waters from Strangford Lough to Carnsore Point to Valentia.

Wind: West to southwest force 6 or 7

Weather: Fair with isolated showers.

Visibility: Good.

Outlook for a further 24 hours until 12:00, Saturday 29 November 2025

Strong to gale force westerly winds easing moderate northerly in the north but moderate westerly in the south Friday night. Becoming moderate to fresh northerly everywhere Saturday morning. Weather: Cloudy to fair with outbreaks of rain and showers.

Forecast issued at: 12:00, Thursday 27 November 2025

All times are local unless specified