Sea Area Forecast
Forecast valid from: 18:00, Friday 05 December 2025 until 18:00, Saturday 06 December 2025
Small Craft Warning
Southeasterly winds, veering southwesterly will reach force 6 or higher on all Irish coasts this evening from Rossan Point to Carnsore Point to Erris Head, becoming confined to coasts from Wicklow Head to Mizen Head to Erris Head overnight.
Gale Warning
Southeasterly winds will reach gale force 8 this evening on Irish coastal waters from Rossan Point to Fair Head to Carlingford Lough. West to southwest winds will reach gale force 8 at times this evening, tonight and for a time on Saturday morning coasts from Carnsore Pt to Mizen Head to Erris Head.
Atlantic Swell
At times on Atlantic coasts
Meteorological Situation at 15:00 UTC
A slow moving depression of 966 hPa about 300 Nautical miles west of Belmullet, generates a strong to gale force south to southwesterly airflow over Ireland. Associated fronts over the country will track away into the Irish Sea and Britain this evening, followed by a showery west to southwest airflow.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Erris Head to Malin Head to Howth Head and for the north Irish Sea
Wind: Southeasterly gale force 8 or strong gale force 9, but southerly force 5 or 6 between Erris Head and Malin Head. Becoming southerly force 5 or 6 imminent. Soon veering southwest force 4 to 5. Later becoming west to southwest force 4 to 6, strongest in the south.
Weather: Rain this afternoon, clearing to showers this evening
Visibility: Moderate or poor in rain or showers, otherwise good later
Forecast for Irish coastal waters from Howth Head to Carnsore Point to Roches Pt and for the south Irish Sea
Wind: Southwest force 6 or 7 imminent, occasionally reaching gale force 8 between Carnsore Point and Roches Point. Soon veering west to southwest. Gradually decreasing to force 6 later.
Weather: Rain this afternoon, clearing to showers this evening
Visibility: Moderate or poor in rain or showers, otherwise good later
Forecast for Irish coastal waters from Roches Pt to Loop Head to Erris Head
Wind: Southwest force 6 to gale force 8 imminent, strongest in the southwest. Becoming west to southwest force 7 or gale force 8 between Roches Pt and Valentia and becoming southwest force 5 or 6 north of Valentia imminent. Soon becoming westerly force 7 or gale force 8. Decreasing west to southwest force 5 or 6 later.
Weather: Rain clearing to showers this afternoon, many of them heavy or prolonged
Visibility: Moderate or poor in rain or showers, occasionally good later
Outlook for a further 24 hours until 18:00, Sunday 07 December 2025
Fresh to strong west to southwest winds, backing moderate to fresh southerly. Later easing light to moderate west to southwest on northern coasts, and becoming fresh to near gale force west to northwest winds in the east and south. Showers gradually clearing to the north. Further outbreaks of rain spreading from the southwest later.
Forecast issued at: 18:00, Friday 05 December 2025
All times are local unless specified
