Sea Area Forecast
Forecast valid from: 18:00, Tuesday 21 October 2025 until 18:00, Wednesday 22 October 2025
Small Craft Warning
Northerly winds will reach force 6 at times tomorrow (Wednesday) night on Irish coasts from Roches Point to Valentia to Slyne Head.
Gale Warning
Nil
Meteorological Situation at 15:00 UTC
A depression of 980 hPa to the north of Scotland, generates a moderate to fresh unstable northwesterly airflow over Ireland.
Small Craft Warning: In effect
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Erris Head to Fair Head to Howth Head and for the north Irish Sea
Wind: Northwesterly force 5 or 6. Soon decreasing westerly force 4 or 5. Later decreasing 3 to 5.
Weather: Fair to cloudy with scattered showers.
Visibility: Good, decreasing moderate or poor in showers.
Forecast for Irish coastal waters from Howth Head to Hook Head to Valentia and for the south Irish Sea
Wind: Northwesterly force 4 or 5, decreasing force 3 or 4 imminent. Later backing southerly force 2 to 4.
Weather: Fair to cloudy with well scattered showers.
Visibility: Good, decreasing moderate or poor in showers.
Forecast for Irish coastal waters from Valentia to Loop Head to Erris Head
Wind: Northwesterly force 4 or 5. Soon backing westerly force 3 or 4 and occasionally force 5. Later decreasing southwesterly force 2 to 4 and veering northwesterly by the end of the period.
Weather: Fair to cloudy with scattered showers.
Visibility: Good, decreasing moderate or poor in showers.
Outlook for a further 24 hours until 18:00, Thursday 23 October 2025
Light to moderate southerly or variable winds, becoming strong to near gale force northwesterly on Thursday morning and possibly reaching gale force in the northwest Thursday afternoon and evening. Weather: Rain spreading from the southwest, mainly affecting Munster and Leinster coasts Wednesday night. Scattered showers elsewhere.
Forecast issued at: 18:00, Tuesday 21 October 2025
All times are local unless specified
