Forecast valid from: 18:00, Wednesday 10 December 2025 until 18:00, Thursday 11 December 2025
South to southwest winds will reach force 6 or higher at times on all Irish coasts during the period.
Southwest winds backing southerly will reach gale force 8 at times this evening and early tonight on Irish coastal waters from Roches Point to Loop Head to Bloody Foreland extending to all Irish coastal waters and the Irish Sea overnight and reaching strong gale force 9 at times between Mizen Head and Rossan Point.
Along Atlantic coasts.
Storm Bram, a depression of 966hPa centred just north of the Faroe Islands remains slow-moving. A deepening depression of 979hPa north of the Azores will move northwards to the west of Ireland and an associated cold front will push eastwards over the country during the period.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Wind: Southwest force 6 to gale force 8, imminent backing south and increasing force 7 to gale force 8 and gusty. Soon increasing force 7 to strong gale force 9 and gusty. Later veering southwest to west and decreasing force 4 to 6. Occasionally reaching force 7 towards the end of the period.
Weather: Fair to cloudy with occasional drizzle in the northwest and patchy mist elsewhere at first. Soon becoming cloudy with rain spreading from the west. Rain clearing later.
Visibility: Reducing moderate or poor in precipitation and mist, otherwise good.
Wind: Southwest force 6 or 7 and gusty imminent. Soon increasing southwest to south force 6 to gale force 8 and gusty. Later backing southerly. Veering westerly force 3 or 4 towards the end of the period but maintain southerly force 5 to 7 and gusty on the Irish Sea.
Weather: Fair to cloudy with patchy mist. Later becoming cloudy with rain spreading from the west.
Visibility: Reducing moderate or poor in precipitation and mist, otherwise good.
Fresh to near gale southwesterly winds in Atlantic sea areas with mainly light to moderate westerly or variable winds elsewhere, but fresh to near gale southerly on the Irish Sea at first. Fresh to near gale southwesterly winds extending to all Irish coasts on Friday morning. Weather; Remaining rain in the east will clear eastwards on Thursday night with clear spells and isolated showers following. Scattered showers will spread from the west on Friday morning, some heavy with isolated thunderstorms possible, mainly in Atlantic coastal regions.
Forecast issued at: 18:00, Wednesday 10 December 2025
All times are local unless specified