Réamhaisnéis limistear na farraige
Forecast valid from: 06:00, Monday 15 December 2025 until 06:00, Tuesday 16 December 2025
Small Craft Warning
Southwesterly winds will occasionally reach force 6 on Irish coasts from Slyne Head to Rossan Point to Malin Head through the period.
Gale Warning
Atlantic Swell
On southwestern, western and northwestern coasts.
Meteorological Situation at 03:00 UTC
A cold front associated with a broad and complex area of low pressure with multiple centres around Iceland has cleared the southeast coast of Ireland.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Mizen Head to Erris Head to Belfast Lough
Wind: West to southwest force 4 or 5, occasionally reaching force 6, and strongest in the northwest.
Weather: Fair with scattered showers. Some mist or fog patches too.
Visibility: Mostly good, decreasing moderate or poor in any precipitation or mist and fog.
Forecast for Irish coastal waters from Belfast Lough to Carnsore Point to Mizen Head and for the Irish Sea
Wind: Northwesterly or variable force 2 or 3. Later increasing northwesterly force 3 or 4.
Weather: Rain in the Irish sea clearing eastwards imminent. Otherwise fair with isolated showers. Some mist or fog patches too.
Visibility: Mostly good, decreasing moderate or poor in any precipitation or mist and fog.
Outlook for a further 24 hours until 06:00, Wednesday 17 December 2025
Light to moderate west to northwest winds on eastern and southern coasts will back southwesterly through Tuesday, increasing fresh to strong early Tuesday night, and further increasing near gale force to gale force early Wednesday. Moderate to strong west to southwest winds on western and northern coasts will increase strong to gale force on Tuesday night. Weather: Fair with scattered showers in western and northwestern areas. Cloud will build from the west on Tuesday evening, followed by outbreaks of rain and drizzle spreading eastwards on Tuesday night.
Forecast issued at: 06:00, Monday 15 December 2025
All times are local unless specified
