Sea Area Forecast
Forecast valid from: 12:00, Friday 21 November 2025 until 12:00, 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, before becoming confined to Irish coasts from Malin Head to Howth Head to Mizen Head for a time overnight.
Gale Warning
Meteorological Situation at 09:00 UTC
Ireland lies between an anticyclone of 1035hPa centred near the Azores which extends a ridge of high pressure over the country and a depression of 997hPa centred over Iceland which generates a strengthening southwesterly airflow over Ireland.
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, increasing force 7 at times. Soon veering west to northwest force 4 or 5. Later decreasing west force 3 or 4 and occasionally force 5.
Weather: Cloudy with rain and drizzle, heavy at times. Soon becoming fair with scattered showers.
Visibility: Moderate or poor in precipitation.
Forecast for Irish coastal waters from Fair Head to Carnsore Point to Mizen Head and for the Irish Sea
Wind: Increasing southwest force 5 or 6 imminent. Soon increasing force 6 or 7. Later veering northwest force 4 or 5, decreasing west to northwest force 3 or 4 by the end of the period.
Weather: Fair, becoming cloudy with rain and drizzle imminent. Later becoming fair with isolated showers.
Visibility: Good, decreasing moderate or poor in precipitation.
Outlook for a further 24 hours until 12:00, 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: 12:00, Friday 21 November 2025
All times are local unless specified
