Sea Area Forecast
Forecast valid from: 00:00, Friday 21 November 2025 until 00:00, Saturday 22 November 2025
Small Craft Warning
Southwest winds will reach force 6 or higher for a time on Friday on all Irish coasts.
Gale Warning
Nil
Meteorological Situation at 21:00 UTC
An anticyclone of 1034hPa centred near the Azores extends a ridge of high pressure over Ireland, generating a mainly moderate to fresh northerly airflow over the country.
Small Craft Warning: In effect
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Mizen Head to Erris Head to Fair Head
Wind: Decreasing northerly force 2 to 4 imminent. Soon becoming westerly force 3 or 4. Later backing southwest force 4 or 5, increasing force 6 or 7 by the end of the period.
Weather: Cloudy to fair. Rain and drizzle soon, occasionally heavy. Fair with scattered showers later.
Visibility: Good, decreasing moderate or poor in precipitation.
Forecast for Irish coastal waters from Fair Head to Howth Head to Mizen Head and for the Irish Sea
Wind: Southwest force 4 or 5 imminent, soon increasing force 5 or 6. Later increasing force 6 or 7, veering northwest force 4 or 5 by the end of the period.
Weather: Fair with scattered showers, heavy at times with a chance of hail. Later becoming cloudy with rain by the end of the period.
Visibility: Good, decreasing moderate or poor in precipitation.
Outlook for a further 24 hours until 00:00, Sunday 23 November 2025
Strong to near gale force southwest winds in the east and south, moderate to fresh westerly winds elsewhere. Winds becoming moderate to fresh west to southwest on Saturday. Increasing moderate to strong on Saturday night, reaching near gale force at times. Weather: Becoming cloudy to fair with scattered showers on Saturday morning. Further rain on Saturday afternoon and evening.
Forecast issued at: 00:00, Friday 21 November 2025
All times are local unless specified
