Sea Area Forecast
Forecast valid from: 06:00, Monday 01 December 2025 until 06:00, Tuesday 02 December 2025
Small Craft Warning
Southwest winds will reach force 6 at times on all Irish coasts through the period.
Gale Warning
Southwesterly winds will reach gale force 8 at times this morning (Monday morning) on Irish coastal waters from Wicklow Head to Carnsore Point to Roches Point and on the south Irish Sea.
Atlantic Swell
On southwestern, western and northwestern coasts.
Meteorological Situation at 03:00 UTC
A complex area of low pressure with multiple centres, including one of 971hPa located 210 nautical miles northwest of Malin Head, generates a moderate to near gale force southwest to west airflow over Ireland. An associated active weather front lies over the country.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Howth Head to Carnsore Point to Roche's Point and for the south Irish Sea
Wind: Southwesterly force 6 to near gale force 8. Soon decreasing west to southwest force 4 to 6. Later decreasing mostly southwesterly force 4 or 5, but still touching force 6 at times.
Weather: Widespread rain clearing eastwards. Scattered showers, some merging to longer spells of rain, imminent. Mist patches too.
Visibility: Reducing moderate or poor in precipitation and mist, otherwise good.
Forecast for Irish coastal waters from Roche's Point to Slyne Head to Malin Head
Wind: West to southwest force 4 to 6, strongest in the southwest. Later increasing mostly southwesterly force 5 or 6, reaching near gale force 7 at times.
Weather: Widespread rain in the south clearing eastwards. Scattered showers, some merging to longer spells of rain, imminent. Mist patches too.
Visibility: Reducing moderate or poor in precipitation and mist, otherwise good.
Forecast for Irish coastal waters from Malin Head to Belfast Lough to Howth Head and for the north Irish Sea
Wind: Mostly southwesterly or variable force 2 to 4, but southwesterly force 6 or near gale force 7 in the north Irish Sea. Soon becoming mostly west to southwest force 4 or 5, but variable force 2 to 4 in the north Irish Sea. Later becoming southwesterly force 4 to 6.
Weather: Widespread rain clearing eastwards. Scattered showers, some merging to longer spells of rain, imminent. Mist patches too.
Visibility: Reducing moderate or poor in precipitation and mist, otherwise good.
Outlook for a further 24 hours until 06:00, Wednesday 03 December 2025
Mostly moderate to strong southwest to west winds, reaching near gale force at times in western and northwestern sea areas. Weather: Fair to cloudy with scattered showers.
Forecast issued at: 06:00, Monday 01 December 2025
All times are local unless specified
