Sea Area Forecast
Forecast valid from: 06:00, Friday 21 November 2025 until 06:00, Saturday 22 November 2025
Small Craft Warning
Southwest winds will reach force 6 or higher for a time today and early tonight on all Irish coasts.
Gale Warning
Meteorological Situation at 03:00 UTC
An anticyclone of 1034hPa centred near the Azores extends a ridge of high pressure over Ireland, generating a mainly light to moderate anticyclonic variable airflow across 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: Southwest force 5 or 6 imminent, soon increasing force 6 or 7. Later veering west to northwest force 4 or 5.
Weather: Rain and drizzle imminent, soon heavy at times. Fair with scattered showers later.
Visibility: 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: West to southwest force 3 or 4 imminent, soon increasing southwest force 5 or 6. Later increasing force 6 or 7. Veering northwest force 4 or 5 by the end of the period, remaining southerly force 6 or 7 on the Irish Sea.
Weather: Fair with isolated heavy showers and a chance of hail. Soon becoming cloudy with rain later.
Visibility: Good, decreasing moderate or poor in precipitation.
Outlook for a further 24 hours until 06:00, Sunday 23 November 2025
Moderate to fresh westerly winds, increasing strong to gale force westerly or cyclonic variable on Saturday night. Weather: Cloudy to fair with scattered showers. Rain developing Saturday afternoon, heavy at times later.
Forecast issued at: 06:00, Friday 21 November 2025
All times are local unless specified
