Sea Area Forecast

Forecast valid from: 12:00, Friday 05 December 2025 until 12:00, Saturday 06 December 2025

Small Craft Warning

Southeasterly winds will reach force 6 or higher on all Irish coasts from Friday morning, gradually veering southwesterly through the day. Further veering southwest to west on Friday night and becoming confined to Irish coasts from Wicklow Head to Roches Point to Erris Head.

Gale Warning

1) Southeasterly winds will reach gale force 8 or strong gale force 9 at times on Friday morning, afternoon and evening, on all Irish coastal waters and on the Irish Sea, gradually veering southwesterly through the day. 2) Southwest to west winds will reach gale force 8 at times on Friday night on Irish coastal waters from Wicklow Head to Roches Point to Loop Head.

Atlantic Swell

At times on Atlantic coasts

Meteorological Situation at 09:00 UTC

A slow moving depression of 966 hPa about 350 Nautical miles west of Belmullet, generates a strong to gale force southerly airflow over Ireland. Associated fronts move eastwards across the country.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : yes

Wave Height Forecast

Forecast for Irish coastal waters from Erris Head to Malin Head to Carlingford Lough and for the Irish Sea north of Anglesey

Wind: Southeasterly gale force 8 or strong gale force 9, decreasing south to southeast force 5 or 6 between Erris Head and Rossan Pt imminent, soon veering south to southeast force 6 or 7 for the rest of the region, later gradually decreasing force 3 or 4

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 Carlingford Lough to Wicklow Head to Roches Pt and for the Irish Sea south of Anglesey

Wind: Southeasterly gale force 8 or strong gale force 9, veering south to southwest and decreasing force 6 or 7 imminent, soon occasionally reaching gale force 8 between Carnsore Pt and Roches Pt, later decreasing force 4 to 6 north of Carnsore Pt and continuing force 6 or 7 between Carnsore Pt and Roches Pt.

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: South to southwest force 6 or 7, increasing force 6 to gale force 8 imminent, strongest in the southwest, soon becoming west to southwest force 7 or gale force 8 between Roches Pt and Valentia and becoming south to southwest force 4 to 6 north of Valentia, later becoming west to southwest force 7 or gale force 8 for all of the region.

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 12:00, Sunday 07 December 2025

Fresh to strong west to southwest winds, backing moderate to fresh southerly on Saturday night, decreasing light to moderate on Sunday morning and becoming westerly on western coasts. Showers gradually clearing to the north. Rain spreading eastwards through Saturday night and Sunday.

Forecast issued at: 12:00, Friday 05 December 2025

All times are local unless specified